PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Ryzen Threadripper PRO 9955WX

2025

Why buy it

✅Better for gaming: +18.4% higher average FPS across 10 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (64 MB vs 48 MB).
✅Costs $3,566 less on MSRP ($429 MSRP vs $3,995 MSRP).
✅Delivers 816.6% more PassMark for each dollar spent, at 157.5 vs 17.2 PassMark/$ ($429 MSRP vs $3,995 MSRP).
✅Newer platform on sTR5 with DDR5 support instead of LGA4189 and DDR4.

Trade-offs

❌Lower PassMark (67,561 vs 68,643).
❌70.7% higher power demand at 350W vs 205W.

Xeon Platinum 8352Y

2021

Why buy it

✅+1.6% higher PassMark.
✅Draws 205W instead of 350W, a 145W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen Threadripper PRO 9955WX across 10 shared CPU benchmark tests.
❌Smaller total L3 cache (48 MB vs 64 MB).
❌Lower PassMark per dollar, at 17.2 vs 157.5 PassMark/$ ($3,995 MSRP vs $429 MSRP).
❌Older platform position on LGA4189 with DDR4, while Ryzen Threadripper PRO 9955WX moves to sTR5 and DDR5.

Ryzen Threadripper PRO 9955WX

2025

Xeon Platinum 8352Y

2021

Why buy it

✅Better for gaming: +18.4% higher average FPS across 10 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (64 MB vs 48 MB).
✅Costs $3,566 less on MSRP ($429 MSRP vs $3,995 MSRP).
✅Delivers 816.6% more PassMark for each dollar spent, at 157.5 vs 17.2 PassMark/$ ($429 MSRP vs $3,995 MSRP).
✅Newer platform on sTR5 with DDR5 support instead of LGA4189 and DDR4.

Why buy it

✅+1.6% higher PassMark.
✅Draws 205W instead of 350W, a 145W reduction.

Trade-offs

❌Lower PassMark (67,561 vs 68,643).
❌70.7% higher power demand at 350W vs 205W.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen Threadripper PRO 9955WX across 10 shared CPU benchmark tests.
❌Smaller total L3 cache (48 MB vs 64 MB).
❌Lower PassMark per dollar, at 17.2 vs 157.5 PassMark/$ ($3,995 MSRP vs $429 MSRP).
❌Older platform position on LGA4189 with DDR4, while Ryzen Threadripper PRO 9955WX moves to sTR5 and DDR5.

Quick Answers

So, is Ryzen Threadripper PRO 9955WX better than Xeon Platinum 8352Y?

It depends on what matters more to you. For gaming, Ryzen Threadripper PRO 9955WX is ahead with a 18.4% average FPS lead across 10 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon Platinum 8352Y pulls ahead with 1.6% better PassMark. Ryzen Threadripper PRO 9955WX also has the bigger cache pool with 33.3% larger total L3 cache (64 MB vs 48 MB).

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Xeon Platinum 8352Y is the better fit. You are getting 1.6% better PassMark, backed by 32 cores and 64 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Ryzen Threadripper PRO 9955WX is the smarter buy today. Ryzen Threadripper PRO 9955WX is $3,566 cheaper on MSRP at $429 MSRP versus $3,995 MSRP, and it gives you a 18.4% average FPS lead across 10 shared CPU game tests in our data. The trade-off is that Xeon Platinum 8352Y is still stronger for heavier multi-core work with 1.6% better PassMark. It is also 816.6% better value on MSRP (157.5 vs 17.2 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.

Which one is more future-proof for 2026 and beyond?

Ryzen Threadripper PRO 9955WX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2021), a healthier platform with sTR5 and DDR5 instead of LGA4189, and 33.3% larger total L3 cache (64 MB vs 48 MB). That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Ryzen Threadripper PRO 9955WX Benchmark Check

Xeon Platinum 8352Y Benchmark Check

Path of Exile 2

Preset	Ryzen Threadripper PRO 9955WX	Xeon Platinum 8352Y
1080p
low	297 FPS	189 FPS
medium	270 FPS	152 FPS
high	223 FPS	122 FPS
ultra	188 FPS	95 FPS
1440p
low	273 FPS	154 FPS
medium	224 FPS	120 FPS
high	174 FPS	92 FPS
ultra	153 FPS	74 FPS
4K
low	187 FPS	72 FPS
medium	154 FPS	60 FPS
high	118 FPS	46 FPS
ultra	104 FPS	38 FPS

Open Ryzen Threadripper PRO 9955WX Open Xeon Platinum 8352Y

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen Threadripper PRO 9955WX	Xeon Platinum 8352Y
1080p
low	786 FPS	233 FPS
medium	643 FPS	208 FPS
high	477 FPS	173 FPS
ultra	403 FPS	139 FPS
1440p
low	647 FPS	199 FPS
medium	549 FPS	181 FPS
high	422 FPS	154 FPS
ultra	328 FPS	119 FPS
4K
low	363 FPS	124 FPS
medium	312 FPS	115 FPS
high	273 FPS	101 FPS
ultra	230 FPS	82 FPS

Open Ryzen Threadripper PRO 9955WX Open Xeon Platinum 8352Y

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen Threadripper PRO 9955WX	Xeon Platinum 8352Y
1080p
low	888 FPS	969 FPS
medium	705 FPS	848 FPS
high	622 FPS	802 FPS
ultra	534 FPS	712 FPS
1440p
low	713 FPS	775 FPS
medium	567 FPS	669 FPS
high	489 FPS	632 FPS
ultra	414 FPS	561 FPS
4K
low	507 FPS	498 FPS
medium	418 FPS	393 FPS
high	375 FPS	350 FPS
ultra	315 FPS	285 FPS

Open Ryzen Threadripper PRO 9955WX Open Xeon Platinum 8352Y

League of Legends

League of Legends

Valorant

Preset	Ryzen Threadripper PRO 9955WX	Xeon Platinum 8352Y
1080p
low	1106 FPS	893 FPS
medium	991 FPS	811 FPS
high	867 FPS	697 FPS
ultra	781 FPS	599 FPS
1440p
low	860 FPS	699 FPS
medium	759 FPS	613 FPS
high	664 FPS	525 FPS
ultra	576 FPS	449 FPS
4K
low	632 FPS	504 FPS
medium	562 FPS	451 FPS
high	496 FPS	394 FPS
ultra	429 FPS	343 FPS

Open Ryzen Threadripper PRO 9955WX Open Xeon Platinum 8352Y

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen Threadripper PRO 9955WX and Xeon Platinum 8352Y

Ryzen Threadripper PRO 9955WX

The Ryzen Threadripper PRO 9955WX is manufactured by AMD. It was released in 23 July 2025 (less than a year ago). It is based on the Shimada Peak (2025) architecture. It features 16 cores and 32 threads. Base frequency is 4.5 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: sTR5. Thermal design power (TDP): 350 Watt. Memory support: DDR5. Passmark benchmark score: 67,561 points. Launch price was $1,649.

Xeon Platinum 8352Y

The Xeon Platinum 8352Y is manufactured by Intel. It was released in 2021-04-06. It features 32 cores and 64 threads. Base frequency is 2.2 GHz, with boost up to 3.4 GHz. L3 cache: 48 MB. Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 205 Watt. Memory support: DDR4-3200. Passmark benchmark score: 68,643 points. Launch price was $3,995.

⚡

Processing Power

The Ryzen Threadripper PRO 9955WX packs 16 cores / 32 threads, while the Xeon Platinum 8352Y offers 32 cores / 64 threads — the Xeon Platinum 8352Y has 16 more cores. Boost clocks reach 5.4 GHz on the Ryzen Threadripper PRO 9955WX versus 3.4 GHz on the Xeon Platinum 8352Y — a 45.5% clock advantage for the Ryzen Threadripper PRO 9955WX (base: 4.5 GHz vs 2.2 GHz). The Ryzen Threadripper PRO 9955WX is built on the Shimada Peak (2025) architecture. In PassMark, the Ryzen Threadripper PRO 9955WX scores 67,561 against the Xeon Platinum 8352Y's 68,643 — a 1.6% lead for the Xeon Platinum 8352Y. L3 cache: 64 MB (total) on the Ryzen Threadripper PRO 9955WX vs 48 MB on the Xeon Platinum 8352Y.

Feature	Ryzen Threadripper PRO 9955WX	Xeon Platinum 8352Y
Cores / Threads	16 / 32	32 / 64+100%
Boost Clock	5.4 GHz+59%	3.4 GHz
Base Clock	4.5 GHz+105%	2.2 GHz
L3 Cache	64 MB (total)+33%	48 MB
L2 Cache	1 MB (per core)	—
Process	4 nm-60%	10 nm
Architecture	Shimada Peak (2025)	—
PassMark	67,561	68,643+2%
Cinebench R23 Multi	40,000	—
Geekbench 6 Single	3,016	—
Geekbench 6 Multi	23,596	—

🧠

Memory & Platform

The Ryzen Threadripper PRO 9955WX uses the sTR5 socket (PCIe 4.0), while the Xeon Platinum 8352Y uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Ryzen Threadripper PRO 9955WX versus 3200 on the Xeon Platinum 8352Y — the Xeon Platinum 8352Y supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Platinum 8352Y supports up to 4096 of RAM compared to 2048 GB — 66.7% more capacity for professional workloads. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (Ryzen Threadripper PRO 9955WX) vs 64 (Xeon Platinum 8352Y) — the Ryzen Threadripper PRO 9955WX offers 64 more lanes for additional GPUs or NVMe drives. Chipset compatibility: WRX90 (Ryzen Threadripper PRO 9955WX) and C621A (Xeon Platinum 8352Y).

Feature	Ryzen Threadripper PRO 9955WX	Xeon Platinum 8352Y
Socket	sTR5	LGA4189
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR5-6400	3200+63900%
Max RAM Capacity	2048 GB+52428700%	4096
RAM Channels	8	8
ECC Support	Yes	Yes
PCIe Lanes	128+100%	64

🔧

Advanced Features

Only the Ryzen Threadripper PRO 9955WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: true (Ryzen Threadripper PRO 9955WX) vs VT-x, VT-d (Xeon Platinum 8352Y). Direct competitor: Ryzen Threadripper PRO 9955WX rivals Xeon w7-3555; Xeon Platinum 8352Y rivals EPYC 7543.

Feature	Ryzen Threadripper PRO 9955WX	Xeon Platinum 8352Y
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	Yes	No
AVX-512	Yes	Yes
Virtualization	true	VT-x, VT-d

💰

Value Analysis

The Ryzen Threadripper PRO 9955WX launched at $429 MSRP, while the Xeon Platinum 8352Y debuted at $3995. On MSRP ($429 vs $3995), the Ryzen Threadripper PRO 9955WX is $3566 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen Threadripper PRO 9955WX delivers 157.5 pts/$ vs 17.2 pts/$ for the Xeon Platinum 8352Y — making the Ryzen Threadripper PRO 9955WX the 160.7% better value option.