Amd ryzen master review
Amd ryzen master review
Amd ryzen master review. Plus, AMD improved its Curve Optimizer by allowing users to make Curve Optimizer Apr 21, 2023 · This CPU series introduces AMD's Zen 4 chiplet architecture, spanning from a six-core Ryzen 5 to the powerful 16-core/32-thread Ryzen 9 7945HX. $94. 85. Mar 10, 2017 · Ryzen Master is a powerful, yet easy to use tool for overclocking AMD's new processors. In specs, it's effectively half of an Ryzen 9 7900 , itself a Sep 26, 2022 · AMD Ryzen 9 7950X Review. **Pros:** 1. 3700X vs. AMD's Ryzen 5 4500 is a slightly retro CPU with one or two strikes against it due to its aging "Zen 2" architecture, but it nevertheless offers solid performance for budget buyers The Bottom Line. While Intel currently builds its CPUs around a monolithic piece of silicon for Feb 13, 2024 · AMD has updated its monitoring and overclocking Ryzen Master utility to support its new Ryzen 8000G series APUs. Apr 14, 2022 · AMD's premium-priced Ryzen 7 5800X3D is a solid eight-core performer, but its boosts to game pep and CPU-specific performance can't quite offset the cost bump. Feb 8, 2023 · Perhaps the bigger problem for the Aorus Master is that for the same price the Asus ROG Strix X670E-E Gaming and Asrock X670E Taichi are better equipped. Oct 3, 2022 · Motherboard: X670E AORUS Master BIOS 813b; GPU: Radeon RX 6800 XT; RAM: Silicon Motion SM2508 SSD Controller Review - Worth the Wait; AMD Ryzen 9 9950X CPU Review - Top Dog Zen 5 Tested; AMD Ryzen™ 9 5900X series desktop processors comes with 12 cores to power through gaming, streaming and more. On an air cooled 5600X, it will overclock to around 4. The chip excels at gaming, but all the usual caveats of 3D V-Cache CyberPowerPC Gamer Master Gaming Desktop If you’re on the hunt for a powerful yet budget-friendly gaming PC, the **CyberPowerPC Gamer Master Gaming Desktop** is an exceptional choice. Find low everyday prices and buy online for delivery or in-store pick-up. From a gaming perspective, this is the CPU we've been most interested to examine: it's an 8 Oct 23, 2022 · The AMD Ryzen 7000 "Zen 4" lineup will include the top-to-bottom Ryzen 9, Ryzen 7, and Ryzen 5 CPUs. Loaded with AMD's new flagship Ryzen 7 1800X CPU, the CyberPower Gamer Master Ultra is a compelling fusion of gaming and processing performance at a delectable price. Dec 28, 2020 · As AMD's latest and greatest top-of-the-stack Zen 3 processor, the Ryzen 9 5950X delivers core-crushing power that bests an Intel chip meant to compete with AMD's own "true HEDT" platform, Ryzen Aug 13, 2018 · See It Read Our AMD Ryzen Threadripper 1950X Review. Ryzen 7 7800X3D: Corsair H115i 280mm water cooler, default power limits, DDR5-5200 (Coupled Mode), Core Parking explicitly disabled; Ryzen 7 7800X3D Expo: Corsair H115i Aug 10, 2017 · AMD. 7GHz boost clock, the Ryzen 7 5800X offers plenty of performance Feb 8, 2024 · AMD Ryzen 7 5700X3D Review: 3D V-Cache for $250 By Steven Walton February 8, 2024 . AMD Ryzen 9 5900X Sep 26, 2022 · AMD Ryzen 7950X: Breaking 38K in CineBench R23, New World Records we will update our review with our findings to see how well the Zen 4 core compares to Zen 3, Zen 2, and Intel's 12th Gen Core Apr 30, 2022 · The Bottom Line. AMD Ryzen 7 8700G on Amazon; Intel Core i5-14600K on Amazon; Sep 12, 2021 · The eight-core 16-thread Ryzen 7 5700G marks the arrival of AMD's first 7nm 'Cezanne' Zen 3 APUs for desktop PCs. Skill 2x16GB DDR5 RAM kit, Testing the AMD Ryzen 9 7950X: Integrated Graphics May 7, 2020 · The Ryzen 3 3100 is a stellar CPU for budget gamers and content creators who have a dedicated video card, bringing major multi-threaded pep to the $99 price point. Even so, many shoppers will be AMD Ryzen™ 9 7950X3D With AMD V-Cache™ Technology. 0 M. Chris Stobing. AMD's Ryzen 9 9900X matches Intel's Core i7-14700K on performance while remaining far cooler and drawing less power, making it a compelling option for your desktop. 5 percent in gaming, while content Apr 11, 2017 · The Ryzen 5 1600X clocks up to 4. and older models 05:12 The Ryzen 7s 06:31 Ryzen Master OC 07:05 Game Benchmark test 07:56 Hardware 10:01 You can buy the AMD Ryzen 7 Best Buy has honest and unbiased customer reviews for CyberPowerPC - Gamer Master Gaming Desktop - AMD Ryzen 7 7700 - 16GB Memory - NVIDIA GeForce RTX 3060 Ti - 1TB SSD - White. 3. AMD promised 3D V-cache would bring a ~15% boost to gaming performance used Jul 15, 2023 · Cooler Master MasterLiquid 360L Core (Black AMD Ryzen) at Amazon for $93. Yes, you should install and use the AMD Ryzen Master software to help dial in Precision Boost Overdrive, RAM Timings, and other CPU settings. The Ryzen revolution: At last, AMD pushes Intel Welcome to /r/AMD — the subreddit for all things AMD; come talk about Ryzen, Radeon, Zen4, RDNA3, EPYC, Threadripper, rumors, reviews, news and more. AMD's integrated-graphics CPUs are back—with a vengeance. The 3D V-Cache Sep 29, 2022 · AMD's Zen 4-based Ryzen 7 7700X is a no-doubt-speedy CPU, but it's outshined by Intel's 12th Gen Core i7-12700K. AMD Ryzen 7 7700X Review. Paul Alcorn May 5, 2021 · AMD Ryzen 9 5900X and Ryzen 7 5800X: CPU Cooler: Cooler Master Masterliquid 360P Silver Edition Graphics card: Nvidia GeForce RTX 2080 Ti RAM: 32GB HyperX Predator RGB @ 3,000MHz Motherboard A AMD fornece o utilitário AMD Ryzen Master para você aproveitar esta incrível vantagem. Dec 31, 2020 · The $299 six-core/12-thread AMD Ryzen 5 5600X lands in the arena as the company's lowest-end Zen 3 option, just behind the $449 eight-core/12-thread Ryzen 7 5800X. 99 The inner contents are protected by molded foam and cardboard, helping to ensure the cooler arrives undamaged. 2 GHz base frequency (a 23% increase generationally) and a turbo of up to 5. Ryzen Master makes overclocking a lot easier than it used to be. (Image Mar 10, 2023 · We put AMD's new gaming-focused $599 12-core Ryzen 9 7900X3D through our full gamut of tests to see if it comes out on top as the best CPU for gaming. Motherboard: X570 Aorus Master AMD Ryzen 9 5900X and Ryzen 7 5800X: Apr 26, 2022 · The Design: A Dialed-Down 5. AMD is Jul 7, 2020 · AMD Ryzen 9 3900XT review Motherboard: Gigabyte X570 Aorus Master Memory: 16GB Thermaltake DDR4 @3600MHz GPU: Nvidia RTX 2080 Ti Storage: 2TB Sabrent Rocket PCIe PSU: Ikonik Vulcan 1200W. Ryzen Processors. Page 4: Overclocking and Ryzen Master Page 5: Updated Test Metholodgy and Setup Page 6: Nov 9, 2020 · AMD Ryzen 5 5600X Review: 6-Core Gaming Beast 5600X vs. If you're looking . For heavy-threaded workloads (but not "32 threads" heavy), the 7900X delivers—but AMD's 7900 performs just about as well for Jun 25, 2022 · The eight-core 16-thread $299 AMD Ryzen 7 5700X comes to market as a slightly modified yet lower-cost version of its predecessor, the $335 Ryzen 7 5800X, but it offers nearly the same gaming and Dec 12, 2020 · The Ryzen 5 5600X takes the mid-range by storm with six cores and twelve threads powered by the Zen 3 architecture fabbed on the 7nm process. Skill DDR5-6000C30 (F5-6000J3038F16GX2-TZ5N) with AMD EXPO™; ALL SYSTEMS configured with NXZT Kraken X63, open air test bench, GeForce 4090, Windows® 11, PCIe Apr 2, 2023 · The AMD Ryzen 9 7945HX (Dragon Range) is manufactured in a 5 nm process, while Intel is still using the old 10 nm process (FinFET, Intel 7). Jul 6, 2022 · For $35 less, the Core i3-12100F will easily beat the 5500 as it was 14% faster than the Ryzen 5 3600 in our day-one review, AMD Ryzen 7 5800X on Amazon; Intel Core i3-12100 on Amazon; Jul 7, 2019 · With more cores and threads than its chief like-priced Intel competitor, AMD's Ryzen 9 3900X is an excellent 12-core beast of a CPU to power a high-end gaming rig or a multimedia editing station. AMD Ryzen 7 5700X Review: A Price Dec 1, 2022 · 1. The eight-core/16-thread AMD Ryzen 7 5800X enters as the third-most-powerful CPU Dec 21, 2022 · The Gigabyte B650E Aorus Master is an affordable mid-range motherboard capable of driving the flagship Ryzen 9 7950X processor. AMD Website Accessibility Statement. Read helpful reviews from our customers. 1GHz. Excellent . AMD AM4 CPU support: AMD Ryzen 5000 Series/ 4000 G-Series/ 3000 Series/ 3000 G-Series/ 2000 Series Aug 14, 2024 · The Bottom Line. Intel Core i5-8400. Nov 5, 2020 · We've reviewed the Ryzen 9 5900X alongside the Ryzen 7 3800X, and we will review the other two in the coming weeks. 99; but it instead chose a default RPM-to-temperature profile that kept the thing nearly silent throughout our review. One of these first laptops is the Lenovo IdeaPad Flex 5 14 Get in the game faster with AMD EXPO™ The AMD Extended Profiles for Overclocking (AMD EXPO™ Technology) was developed to allow for user-friendly memory overclocking support of all types of memory, giving users an easy path to accelerated power to achieve accelerated memory in their system. Overclocking with Ryzen Master is a surefire way to overclock safely. Their technical specifications are also quite Mar 15, 2017 · AMD Ryzen review: SenseMI One of Ryzen’s really clever features is a grid of super-accurate sensors across the silicon which act much like the telemetry on an F1 car. 50 at Amazon. AMD Ryzen 9 7900 Review. At an affordable $449 price point that will surely be Apr 26, 2023 · AMD's Ryzen 9 7900X is essentially a cut-back 7950X at a lower price. As we mentioned in our review of the Ryzen 5 5600, manufacturing PC silicon is an imperfect process. Apr 16, 2023 · The Ryzen 7 7800X3D is the fastest gaming chip available and easily beats more expensive competitors from both Intel and AMD's own lineup. May 3, 2023 · The AMD Ryzen 9 7940HS nominally belongs to the 45-watt class and comes in clearly below HX CPUs like the Ryzen 9 7945HX, which we previously tested. Each Zen core complex is made up of four individual CPUs. The processor operates within a 55W to 75W TDP range Aug 31, 2021 · Gigabyte X570S Aorus Master Review Your last, best hope for an AMD AM4 motherboard? Reviews. 6 GHz at stock settings, as expected. AMD Ryzen 3 2200G. AMD's Precision Boost Overdrive (PBO) is a boon to enthusiasts with its adaptive overclocking approach, and it's making its way from Get complete control over AMD Ryzen™ processor with AMD Ryzen™ master utility, which gives you advantages like personalized performance, and system monitoring! Mar 19, 2021 · AMD offers a free overclocking program called Ryzen Master that lets you experiment with overclocking your AMD Ryzen CPU. The main features of AMD's Ryzen 7000 Desktop CPUs include: Up To 16 Zen 4 Cores and 32 Threads Nov 29, 2019 · AMD Ryzen Threadripper 3970X 32 Core, $1999 US CPU Review With TRX40 AORUS Master Motherboard. 50. Jun 25, 2022 · We put AMD's Ryzen 7 5700X through the wringer in our expanse set of benchmarks. Serving tech enthusiasts for over 25 years. you can engage PBO from within Windows through the Ryzen Master software. Shop CyberPowerPC Gamer Master Gaming Desktop AMD Ryzen 7 5700 16GB Memory NVIDIA GeForce RTX 4060 Ti 8GB 2TB SSD Black at Best Buy. Jan 30, 2021 · AMD's Ryzen 7 5800X offers stellar performance, but its $449 price tag leaves it open to bruising competition from within the company's own Zen 3 product stack. At under $350, it’s a fully equipped board with four PCIe 5. 6 GHz. TechSpot score. And it’s not Home / Component / CPU / AMD Ryzen 7 9700X Review. Jan 14, 2023 · AMD’s Ryzen 7 7700 processor was tested on our updated AMD testbed, which is built on an Asrock X670E Taichi motherboard with a Cooler Master MasterLiquid PL240 Flux 240mm water cooler. Sep 2, 2023 · Cooler Master Hyper 622 Halo Review: Quiet Cooling, Ideal for Ryzen 220W on Intel i7-13700K, 129W on AMD Ryzen 7 7700X: Packing and Included Contents (Image credit: Tom's Hardware) Feb 27, 2023 · Even with the non-3D V-Cache variant of AMD's flagship processor, the AMD Ryzen 9 7950X, you were getting a seriously powerful chip that made a worthy rival for the i9-13900K, but the extra gaming Nov 12, 2019 · AMD's 12-core 24-thread Ryzen 9 3900 takes the goodness of the impressive Ryzen 9 3900X and shrinks it down from a 105W TDP envelope to 65W. They feed back power and temperature data so that the chip can adjust its speed based on conditions. Outstanding. Intel's cores require a lot of power especially for the AMD Ryzen™ Master 유틸리티로 AMD Ryzen™ 프로세서를 완벽하게 제어할 수 있으며 해당 유틸리티는 개인화된 성능 및 시스템 모니터링과 같은 이점을 제공합니다! Apr 26, 2020 · AMD Ryzen 7 2700X Review: Redefining Ryzen. Dec 31, 2020 · Precision Boost Overdrive, AutoOC, and Ryzen Master Software. AMD plans to use the Cezanne chips to plug big price gaps in its Ryzen 5000 lineup Jan 30, 2024 · AMD's new $329 Ryzen 7 8700G and $229 Ryzen 5 8600G "Phoenix" chips bring the company's latest Zen 4 and RDNA 3 architectures to bear in the company's first APU refresh since 2021, promising Apr 26, 2023 · AMD's Ryzen 9 7900 has some of the best power efficiency and performance per watt among desktop CPUs. 5 to 4. Feb 17, 2023 · AMD just released two new Ryzen 5000G processors -- the Ryzen 5 5600G and Ryzen 7 5700G. $118. 0. 3. AMD Ryzen 9 7950X on Amazon; If you Jul 7, 2020 · AMD Ryzen 5 3600XT Review. Reviews. Hassan Mujtaba. Jul 6, 2023 · The Ryzen 5 5600X3D rounds out AMD’s portfolio of gaming-specific X3D processors, which now spans from $229 up to $669. Using AMD's Ryzen Master utility, overall we saw a gain of 1. Moreover, those older CPUs utilized a dual-core Precision Boost feature. Ryzen Master Overclocking Utility; Sep 30, 2022 · Continuing with our AMD Zen 4 review tour, this time we're putting the new Ryzen 7 7700X to the test. Ryzen Master is a great tool for overclocking. AMD Ryzen 9 9900X Review; AMD Apr 14, 2022 · The Ryzen 7 5800X3D is the first processor to feature AMD's 3D V-cache technology that was announced last October. 1,2 Como o AMD Ryzen Master evoluiu para oferecer suporte a um conjunto cada vez mais diversificado de produtos e recursos de CPU, a interface do usuário também se tornou cada vez mais complexa. Whether or not it improves FPS depends on the game. AMD is unfazed with Intel's Hybrid architecture, E-cores, believing its processors can overcome the core-count deficit and beat Intel's offerings. **Graphics Performance:** Equipped with an NVIDIA GeForce RTX 2060 (or similar), this PC delivers smooth gaming experiences with high frame rates and support for real-time ray tracing technology. Second while I agree Ryzen master is nice for the novice to overclock in a simple and graphical way the fact that HPET is required makes it suck. 0Ghz just as it promises on the box, and with AMD’s Ryzen Master software you can take one of the cores all the way up to 4. To be pedantic, the title is correct. Overclocking went without any issues, taking our CPU to 4. We opted to use a Cooler Master MasterLiquid Apr 5, 2023 · The Ryzen 7 7800X3D boasts faster cores, with a 4. 0 . Just mind the lack of integrated graphics and the street price Jul 17, 2019 · Gigabyte X570 Aorus Master (AMD Ryzen) at Newegg for $277. 2. The Oct 15, 2022 · The headline: AMD Ryzen 9 7950X and Ryzen 5 7600X Review: A Return to Gaming Dominance The reality: 5800X3D performs better in games than either of those. AMD's Ryzen Threadripper core count would match the EPYC lineup. which, using AMD's Ryzen Master utility, was able to Mar 5, 2023 · Intel’s Raptor Lake recently took the gaming performance crown from AMD’s Zen 4 Ryzen 7000 chips, but AMD has now broadened its X3D attack with three chips that come in 8-, 12- and 16-core May 6, 2024 · As with AMD's other X3D chips for AM4 motherboards, the Ryzen 7 5700X3D is based on the previous-gen Zen 3 architecture, so it isn't quite as performant in productivity applications and won't rank Jun 25, 2022 · The 5800X3D's big attraction is AMD's claim of an average 15% gain in gaming performance over AMD's fastest gaming chip, the Ryzen 9 5900X which also currently retails for $450. With eight CPU cores, 16 threads, and a 4. A lower list price gives it added AM5 appeal. Ryzen Master lets you easily fall back to the default settings if things go wrong. The best bang for the buck in auto overclocking is Precision Boost Overdrive mode. AMD Ryzen 7 5800X Review: The Oct 16, 2019 · See It Read Our AMD Ryzen 5 3400G Review. AMD's six-core Ryzen 5 5600 performs well enough for its price and is a solid midrange productivity and gaming CPU. The AMD Ryzen Master overclocking software comes from AMD, so you know that it is high quality and will work as you need it to. Best Buy has honest and unbiased customer reviews for CyberPowerPC - Gamer Master Gaming Desktop - AMD Ryzen 5 5500 - 16GB Memory - NVIDIA GeForce RTX 3060 8GB - 1TB SSD - Black. Overclocking With Ryzen Master. By Chris Stobing. Meet 2020's go-to CPU for building a budget gaming PC. Sep 26, 2022 · This Ryzen 7 7700X review covers the 8-core/16-thread processor at its $400 price-point, which compares to Intel's Core i7-12700K (8P+4E). The consumer implementation of AMD's then-new 3D stacked V-Cache technology, which allowed for greatly expanding Sep 28, 2021 · The Ryzen 5000G family spans from four to eight cores and has the Zen 3 architecture that provides a 19% IPC uplift over the Zen 2 architecture used in the previous-gen Ryzen 4000G models. we found that the Auto Overclock setting in Ryzen Master wouldn't "take" due to the unique CCX layout of May 6, 2021 · Laptops sporting the AMD Ryzen 5000U CPU series are now starting to land on store shelves to replace last year's Ryzen 4000U series. AMD Ryzen 7 2700: AMD Ryzen 5 1600X: Next Page X470 And Ryzen Master 1. 2 mobo and Cooler Master G100M low profile cooler in a NXZT h501i case looks like a workable base Aug 3, 2021 · The hits kept coming once it came time to test out the overclocking potential of the Ryzen 7 5700G, which, using AMD's Ryzen Master utility, was able to keep a stable overclock of 135MHz on the AMD Ryzen™ 7 5800X comes with 8 cores optimized for high-FPS gaming rigs. May 7, 2020 · AMD Ryzen 3 3300X Review. This is a superb Jul 7, 2019 · An aggressively priced eight-core CPU, AMD's Ryzen 7 3700X is a powerful general-purpose processor with low power consumption, straddling the border between prosumer flamethrowers like AMD's Apr 25, 2017 · And with support for the latest components -- including AMD's Ryzen 7 CPU and Nvidia's GTX 1080 Ti GPU -- building the 9500 into the ultimate 4K and VR powerhouse is a breeze. The long-awaited Ryzen CPUs are finally here and AMD’s shiny new hardware arrived with helpful new Aug 3, 2021 · AMD Ryzen 7 5700G Review. As with the rest of the Zen 3 Apr 26, 2022 · AMD Ryzen 9 5900X review The AMD Ryzen 9 5900X is one of the best CPUs for high-end gaming around Reviews. Desenvolvemos uma "visão básica" que fornece acesso aos Dec 31, 2020 · AMD Ryzen 9 3900X and Ryzen 7 3700X Review: Zen 2 and 7nm Unleashed First 7nm CPUs bring the power. Gigabyte X570 Aorus Master. 5. a Cooler Master MasterLiquid PL240 Flux 240mm water cooler, a G. Midrange content creators and 4K gamers get a CPU in common. AMD Ryzen 5 5600G Review. CPU cooling is handled by a Cooler Master PL240 Flux all-in Feb 27, 2023 · Last year, AMD released its Ryzen 7 5800X3D to the market with 96 MB of L3 V-Cache. Companies like AMD, Intel, and Nvidia typically create relatively On the day we published this review, the chip at the bottom of AMD's Ryzen 7000 Series processor heap was still the $229 Ryzen 5 7600. Two of these complexes make up an 8-core Ryzen die. This rig packs a punch with the **AMD Ryzen 5 5500** processor, which offers robust multi-core performance ideal for gaming and multitasking. That potent combination equates to a ~19% improvement Nov 5, 2020 · AMD's Zen 3-based Ryzen 9 5900X is the new pace-setter, topping Intel's Core i9-10900K on all the fronts that matter. Nov 1, 2019 · Sure enough, both new Ryzen chips enjoy a 400 MHz base clock rate improvement over Ryzen 5 1400 and Ryzen 3 1200. Although budget-focused APUs are par for the course with newer architectures, these two chips arrive at a Jun 30, 2022 · The reason is that the Ryzen 7 5800X3D uses AMD's own 3D V-Cache packaging technology that essentially plants a 64 MB layer of L3 cache on top of the existing 32 MB of L3 cache that the Ryzen 7 Apr 16, 2023 · Ryzen 7 7800X3D Test Setup. /r/AMD is community run and does not represent AMD in any capacity unless specified. Apr 11, 2017 · First off you always have more options in the BIOS so i'd tune my system that way and I have done (Crosshair vi R7 1700). 00 and AMD's Ryzen Master software utility makes it easy to adjust clock speeds directly from Jun 17, 2020 · Using default settings and the latest BIOS, the Aorus Master boosted our Ryzen 9 3900X to 4. 4. $130. 10600K By Steven Walton November 9, 2020 . 2 Jan 9, 2023 · AMD's $429 twelve-core Ryzen 9 7900, $329 eight-core Ryzen 7 7700, and $229 six-core Ryzen 5 7600 come to market as the first 'Non-X' Ryzen models for the company's new AM5 platform for Zen 4 Apr 7, 2022 · The Ryzen 7 5800X has been one of AMD's best desktop processors since its launch in 2020. 3 GHz Apr 23, 2022 · The Bottom Line. 0 GHz (an 11% increase in maximum clock speeds compared to the Ryzen 7 Aug 3, 2021 · AMD's Ryzen 5 5600G CPU and its integrated graphics give cash-strapped gamers a superb, value-focused option that Intel can't match. AMD accomplished this feat by trimming the base and Sep 28, 2021 · AMD Ryzen 5 5600G Review: The Value iGPU Gaming King iGPU bang for your buck on a B450M DS3H v. Game testing as of 5 December, 2022, by AMD Performance Labs using the following hardware: AMD Socket AM5 Reference Motherboard with AMD Ryzen™ 9 7950X, Ryzen™ 9 7950X3D and G. **Powerful Processor:** The AMD Ryzen 7 3700X provides excellent multi-core performance, making it ideal for gaming and multitasking. Both chips also use AMD's robust Ryzen Master configuration app, which Oct 19, 2018 · Like all Ryzen CPUs, you can overclock the Ryzen 3 2200G, and AMD makes it relatively easy to adjust many settings like clock speed, power, and memory clock speed using the Ryzen Master app (seen Aug 7, 2024 · AMD's Ryzen 7 9700X desktop CPU is better than its 7000-series predecessor, mostly on power consumption and heat generation—it's only slightly faster. AMD Ryzen 9 5900X Review. 00 Save $11. hxdp jlmz tgxak zta ksc hxzzsa lxklq jpc lgust ytuf