The AMD Ryzen 9 9950X and Ryzen 9 9900X Review: Flagship Zen 5 Soars - and Stalls
Earlier this month, AMD launched the first two desktop CPUs using their latest Zen 5 microarchitecture: the Ryzen 7 9700X and the Ryzen 5 9600X. As part of the new Ryzen 9000 family, it gave us their latest Zen 5 cores to the desktop market, as AMD actually launched Zen 5 through their mobile platform last month, the Ryzen AI 300 series (which we reviewed).
Today, AMD is launching the remaining two Ryzen 9000 SKUs first announced at Computex 2024, completing the current Ryzen 9000 product stack. Both chips hail from the premium Ryzen 9 series, which includes the flagship Ryzen 9 9950X, which has 16 Zen 5 cores and can boost as high as 5.7 GHz, while the Ryzen 9 9900X has 12 Zen 5 cores and offers boost clock speeds of up to 5.6 GHz.
Although they took slightly longer than expected to launch, as there was a delay from the initial launch date of July 31st, the full quartet of Ryzen 9000 X series processors armed with the latest Zen 5 cores are available. All of the Ryzen 9000 series processors use the same AM5 socket as the previous Ryzen 7000 (Zen 4) series, which means users can use current X670E and X670 motherboards with the new chips. Unfortunately, as we highlighted in our Ryzen 7 9700X and Ryzen 5 9600X review, the X870E/X870 motherboards, which were meant to launch alongside the Ryzen 9000 series, won't be available until sometime in September.
We've seen how the entry-level Ryzen 5 9600X and the mid-range Ryzen 7 9700X perform against the competition, but it's time to see how far and fast the flagship Ryzen 9 pairing competes. The Ryzen 9 9950X (16C/32T) and the Ryzen 9 9900X (12C/24T) both have a higher TDP (170 W/120 W respectively) than the Ryzen 7 and Ryzen 5 (65 W), but there are more cores, and Ryzen 9 is clocked faster at both base and turbo frequencies. With this in mind, it's time to see how AMD's Zen 5 flagship Ryzen 9 series for desktops performs with more firepower, with our review of the Ryzen 9 9950X and Ryzen 9 9900 processors.
CPUs
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AMD Quietly Launches Ryzen 7 8700F and Ryzen 5 8400F Processors 
AMD has recently expanded its Ryzen 8000 series by introducing the Ryzen 7 8700F and Ryzen 5 8400F processors. Initially launched in China, these chips were added to AMD's global website, signaling they are available worldwide, apparently from April 1st. Built from the recent Zen 4-based Phoenix APUs using the TSMC 4nm node as their Zen 4 mobile chips, these new CPUs lack integrated graphics. However, the Ryzen 7 8700F does include the integrated Ryzen AI NPU for added capabilities in a world currently dominated by AI and moving it directly into the PC.
The company's decision to announce these chips in China aligns with its strategy to offer Ryzen solutions at every price point in the market. Although AMD didn't initially disclose the full specifications of these F-series models, and we did reach out to the company to ask about them, they refused to discuss them with us. Their listing on the website has now been updated with a complete list of specifications and features, with everything but the price mentioned.
| AMD Ryzen 8000G vs. Ryzen 8000F Series (Desktop) Zen 4 (Phoenix) |
|||||||||
| AnandTech | Cores/Threads | Base Freq |
Turbo Freq |
GPU | GPU Freq |
Ryzen AI (NPU) |
L3 Cache (MB) |
TDP | MSRP |
| Ryzen 7 | |||||||||
| Ryzen 7 8700G | 8/16 | 4200 | 5100 | R780M 12 CUs |
2900 | Y | 16 | 65W | $329 |
| Ryzen 7 8700F | 8/16 | 4100 | 5000 | - | - | Y | 16 | 65W | ? |
| Ryzen 5 | |||||||||
| Ryzen 5 8600G | 6/12 | 4300 | 5000 | R760M 8 CUs |
2800 | Y | 16 | 65W | $229 |
| Ryzen 5 8400F | 6/12 | 4200 | 4700 | - | - | N | 16 | 65W | ? |
The Ryzen 7 8700F features an 8C/16T design, with 16MB of L3 cache and the same 65W TDP as the Ryzen 7 8700G. Although the base clock speed is 4.1 GHz, it boosts to 5.0 GHz; this is 100 MHz less on both base/boost clocks than the 8700G. Meanwhile, the Ryzen 5 8400F is a slightly scaled-down version of the Ryzen 8600G APU, with 6C/12, 16MB of L3 cache, and again has a 100 MHz reduction to base clocks compared to the 8600G. Unlike the Ryzen 5 8400F, the Ryzen 7 8700F keeps AMD's Ryzen AI NPU, adding additional capability for generative AI.
The Ryzen 5 8400F can boost up to 4.7 GHz, 300 MHz slower than the Ryzen 5 8600G. AMD also allows overclocking for these new F-series chips, which means users could potentially boost the performance of these processors to match their G-series equivalents.
Pricing details are still pending, but to remain competitive, AMD will likely need to price these CPUs below the 8700G and 8600G, as well as the Ryzen 7 7700 and Ryzen 5 7600. These CPUs offer, albeit very limited, integrated graphics and have double the L3 cache capacity, along with higher boost clocks than the 8000F series chips, so pricing is something to consider whenever pricing becomes available.
CPUs
AMD Quietly Launches Ryzen 7 8700F and Ryzen 5 8400F Processors
AMD has recently expanded its Ryzen 8000 series by introducing the Ryzen 7 8700F and Ryzen 5 8400F processors. Initially launched in China, these chips were added to AMD's global website, signaling they are available worldwide, apparently from April 1st. Built from the recent Zen 4-based Phoenix APUs using the TSMC 4nm node as their Zen 4 mobile chips, these new CPUs lack integrated graphics. However, the Ryzen 7 8700F does include the integrated Ryzen AI NPU for added capabilities in a world currently dominated by AI and moving it directly into the PC.
The company's decision to announce these chips in China aligns with its strategy to offer Ryzen solutions at every price point in the market. Although AMD didn't initially disclose the full specifications of these F-series models, and we did reach out to the company to ask about them, they refused to discuss them with us. Their listing on the website has now been updated with a complete list of specifications and features, with everything but the price mentioned.
| AMD Ryzen 8000G vs. Ryzen 8000F Series (Desktop) Zen 4 (Phoenix) |
|||||||||
| AnandTech | Cores/Threads | Base Freq |
Turbo Freq |
GPU | GPU Freq |
Ryzen AI (NPU) |
L3 Cache (MB) |
TDP | MSRP |
| Ryzen 7 | |||||||||
| Ryzen 7 8700G | 8/16 | 4200 | 5100 | R780M 12 CUs |
2900 | Y | 16 | 65W | $329 |
| Ryzen 7 8700F | 8/16 | 4100 | 5000 | - | - | Y | 16 | 65W | ? |
| Ryzen 5 | |||||||||
| Ryzen 5 8600G | 6/12 | 4300 | 5000 | R760M 8 CUs |
2800 | Y | 16 | 65W | $229 |
| Ryzen 5 8400F | 6/12 | 4200 | 4700 | - | - | N | 16 | 65W | ? |
The Ryzen 7 8700F features an 8C/16T design, with 16MB of L3 cache and the same 65W TDP as the Ryzen 7 8700G. Although the base clock speed is 4.1 GHz, it boosts to 5.0 GHz; this is 100 MHz less on both base/boost clocks than the 8700G. Meanwhile, the Ryzen 5 8400F is a slightly scaled-down version of the Ryzen 8600G APU, with 6C/12, 16MB of L3 cache, and again has a 100 MHz reduction to base clocks compared to the 8600G. Unlike the Ryzen 5 8400F, the Ryzen 7 8700F keeps AMD's Ryzen AI NPU, adding additional capability for generative AI.
The Ryzen 5 8400F can boost up to 4.7 GHz, 300 MHz slower than the Ryzen 5 8600G. AMD also allows overclocking for these new F-series chips, which means users could potentially boost the performance of these processors to match their G-series equivalents.
Pricing details are still pending, but to remain competitive, AMD will likely need to price these CPUs below the 8700G and 8600G, as well as the Ryzen 7 7700 and Ryzen 5 7600. These CPUs offer, albeit very limited, integrated graphics and have double the L3 cache capacity, along with higher boost clocks than the 8000F series chips, so pricing is something to consider whenever pricing becomes available.
CPUs
Construction of $106B SK hynix Mega Fab Site Moving Along, But At Slower Pace 
When a major industry slowdown occurs, big companies tend to slowdown their mid-term and long-term capacity related investments. This is exactly what happened to SK hynix's Yongin Semiconductor Cluster, a major project announced in April 2021 and valued at $106 billion. While development of the site has been largely completed, only 35% of the initial shell building has been constructed, according to the Korean Ministry of Trade, Industry, and Energy.
"Approximately 35% of Fab 1 has been completed so far and site renovation is in smooth progress," a statement by the Korean Ministry of Trade, Industry, and Energy reads. "By 2046, over KRW 120 trillion ($90 billion today, $106 billion in 2021) in investment will be poured to complete Fabs 1 through 4, and construction of Fab 1's production line will commence in March next year. Once completed, the infrastructure will rank as the world's largest three-story fab."
The new semiconductor fabrication cluster by SK hynix announced almost exactly three years ago is primarily meant to be used to make DRAM for PCs, mobile devices, and servers using advanced extreme ultraviolet lithography (EUV) process technologies. The cluster, located near Yongin, South Korea, is intended to consist of four large fabs situated on a 4.15 million m2 site. With a planned capacity of approximately 800,000 wafer starts per month (WSPMs), it is set to be one of the world's largest semiconductor production hubs.
With that said, SK hynix's construction progress has been slower than the company first projected. The first fab in the complex was originally meant to come online in 2025, with construction starting in the fourth quarter of 2021. However, SK hynix began to cut its capital expenditures in the second half of 2022, and the Yongin Semiconductor Cluster project fell a victim of that cut. To be sure, the site continues to be developed, just at a slower pace; which is why some 35% of the first fab shell has been built at this point.
If completed as planned in 2021, the first phase of SK hynix Yongin operations would have been a major memory production facility costing $25 billion, equipped with EUV tools, and capable of 200,000-WSPM, according to reports from 2021.
Sources: Korean Ministry of Trade, Industry, and Energy; ComputerBase
Memory
Western Digital Previews M.2 2280 PCIe 5.0 x4 NVMe Client SSDs: 15GBps at Under 7 Watts 
Western Digital's FMS 2024 demonstrations included a preview of their upcoming PCIe 5.0 x4 M.2 2280 NVMe SSDs for mobile workstations and consumer desktops. The Gen 5 client SSD market has been dominated by solutions based on Phison's E26 controller. The first generation products launched with slower NAND flash, while the more recent ones have exceeded the 14 GBps barrier by utilizing Micron's 2400 MT/s 232L 3D TLC. Western Digital has been conservative over the last year or so by focusing more on the mainstream / mid-range market in terms of new product introductions (such as the WD Blue SN5000, WD_BLACK SN770M, and the WD Blue SN580). Their SSD lineup is due for an update with Gen 5 drives being sorely missed. The SSDs being demonstrated at FMS 2024 will end up doing just that.
Western Digital's technology demonstrations in this segment involved two different M.2 2280 SSDs - one for the performance segment, and another for the mainstream market. They both utilize in-house controllers - while the performance segment drive uses a 8-channel controller with DRAM for the flash translation layer, the mainstream one utilizes a 4-channel DRAM-less controller. Both drives being benchmarked live were equipped with BiCS8 218-layer 3D TLC.
Western Digital is touting the power efficiency of their platform as a key differentiator, promising south of 7W (performance drive) and 5W (mainstream DRAM-less drive) for the complete SSD under stressful traffic. This makes it suitable for use in mobile workstations, but a good fit for desktops as well.
Demonstrated performance numbers indicate almost 15 GBps sequential reads and 2M+ random read IOPS for the performance drive, and 10.7 GBps sequential reads for the mainstream version. Western Digital might have missed the Gen 5 bus as it started out slowly. However, the technology demonstrations with the in-house controller and NAND indicate that WD has caught up just as the Gen 5 market is about to take off.|
Storage
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AMD Quietly Launches Ryzen 7 8700F and Ryzen 5 8400F Processors
AMD has recently expanded its Ryzen 8000 series by introducing the Ryzen 7 8700F and Ryzen 5 8400F processors. Initially launched in China, these chips were added to AMD's global website, signaling they are available worldwide, apparently from April 1st. Built from the recent Zen 4-based Phoenix APUs using the TSMC 4nm node as their Zen 4 mobile chips, these new CPUs lack integrated graphics. However, the Ryzen 7 8700F does include the integrated Ryzen AI NPU for added capabilities in a world currently dominated by AI and moving it directly into the PC.
The company's decision to announce these chips in China aligns with its strategy to offer Ryzen solutions at every price point in the market. Although AMD didn't initially disclose the full specifications of these F-series models, and we did reach out to the company to ask about them, they refused to discuss them with us. Their listing on the website has now been updated with a complete list of specifications and features, with everything but the price mentioned.
| AMD Ryzen 8000G vs. Ryzen 8000F Series (Desktop) Zen 4 (Phoenix) |
|||||||||
| AnandTech | Cores/Threads | Base Freq |
Turbo Freq |
GPU | GPU Freq |
Ryzen AI (NPU) |
L3 Cache (MB) |
TDP | MSRP |
| Ryzen 7 | |||||||||
| Ryzen 7 8700G | 8/16 | 4200 | 5100 | R780M 12 CUs |
2900 | Y | 16 | 65W | $329 |
| Ryzen 7 8700F | 8/16 | 4100 | 5000 | - | - | Y | 16 | 65W | ? |
| Ryzen 5 | |||||||||
| Ryzen 5 8600G | 6/12 | 4300 | 5000 | R760M 8 CUs |
2800 | Y | 16 | 65W | $229 |
| Ryzen 5 8400F | 6/12 | 4200 | 4700 | - | - | N | 16 | 65W | ? |
The Ryzen 7 8700F features an 8C/16T design, with 16MB of L3 cache and the same 65W TDP as the Ryzen 7 8700G. Although the base clock speed is 4.1 GHz, it boosts to 5.0 GHz; this is 100 MHz less on both base/boost clocks than the 8700G. Meanwhile, the Ryzen 5 8400F is a slightly scaled-down version of the Ryzen 8600G APU, with 6C/12, 16MB of L3 cache, and again has a 100 MHz reduction to base clocks compared to the 8600G. Unlike the Ryzen 5 8400F, the Ryzen 7 8700F keeps AMD's Ryzen AI NPU, adding additional capability for generative AI.
The Ryzen 5 8400F can boost up to 4.7 GHz, 300 MHz slower than the Ryzen 5 8600G. AMD also allows overclocking for these new F-series chips, which means users could potentially boost the performance of these processors to match their G-series equivalents.
Pricing details are still pending, but to remain competitive, AMD will likely need to price these CPUs below the 8700G and 8600G, as well as the Ryzen 7 7700 and Ryzen 5 7600. These CPUs offer, albeit very limited, integrated graphics and have double the L3 cache capacity, along with higher boost clocks than the 8000F series chips, so pricing is something to consider whenever pricing becomes available.
CPUs
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