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.

EPYC 9455P

2024

Why buy it

✅+100% larger total L3 cache (256 MB vs 128 MB).
✅Draws 300W instead of 350W, a 50W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen Threadripper PRO 9975WX across 50 shared CPU benchmark tests.
❌Lower Geekbench multi-core (1,898 vs 31,000).
❌
17.6% HIGHER MSRP
$4,819 MSRPvs$4,099 MSRP

Ryzen Threadripper PRO 9975WX

2025

Why buy it

✅Better for gaming: +16.6% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $720 less on MSRP ($4,099 MSRP vs $4,819 MSRP).
✅AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

❌Smaller total L3 cache (128 MB vs 256 MB).
❌16.7% higher power demand at 350W vs 300W.

EPYC 9455P

2024

Ryzen Threadripper PRO 9975WX

2025

Why buy it

✅+100% larger total L3 cache (256 MB vs 128 MB).
✅Draws 300W instead of 350W, a 50W reduction.

Why buy it

✅Better for gaming: +16.6% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $720 less on MSRP ($4,099 MSRP vs $4,819 MSRP).
✅AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen Threadripper PRO 9975WX across 50 shared CPU benchmark tests.
❌Lower Geekbench multi-core (1,898 vs 31,000).
❌
17.6% HIGHER MSRP
$4,819 MSRPvs$4,099 MSRP

Trade-offs

❌Smaller total L3 cache (128 MB vs 256 MB).
❌16.7% higher power demand at 350W vs 300W.

Quick Answers

So, is Ryzen Threadripper PRO 9975WX better than EPYC 9455P?

Yes. Ryzen Threadripper PRO 9975WX is the better overall CPU here. You are getting a 16.6% average FPS lead across 50 shared CPU game tests in our data, 1533.3% better Geekbench multi-core, and the stronger long-term platform, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Ryzen Threadripper PRO 9975WX is the better pick here. According to our tests, it delivers 16.6% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Ryzen Threadripper PRO 9975WX is the better fit. You are getting 1533.3% better Geekbench multi-core, backed by 32 cores and 64 threads.

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

Ryzen Threadripper PRO 9975WX is the smarter buy today. Ryzen Threadripper PRO 9975WX is $720 cheaper on MSRP at $4,099 MSRP versus $4,819 MSRP, and it gives you a 16.6% average FPS lead across 50 shared CPU game tests in our data. It is also 6.8% better value on MSRP (25.9 vs 24.3 PassMark/$), 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 9975WX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2024), more multi-core headroom with 32 cores / 64 threads instead of 48/96, and AVX-512 support for heavier modern compute workloads. That extra cache should hold up really well in CPU-limited games and high-refresh builds.

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.

EPYC 9455P Benchmark Check

Ryzen Threadripper PRO 9975WX Benchmark Check

Path of Exile 2

Preset	EPYC 9455P	Ryzen Threadripper PRO 9975WX
1080p
low	171 FPS	314 FPS
medium	142 FPS	289 FPS
high	122 FPS	240 FPS
ultra	99 FPS	203 FPS
1440p
low	150 FPS	278 FPS
medium	121 FPS	231 FPS
high	99 FPS	178 FPS
ultra	83 FPS	158 FPS
4K
low	84 FPS	191 FPS
medium	73 FPS	158 FPS
high	57 FPS	121 FPS
ultra	47 FPS	107 FPS

Open EPYC 9455P Open Ryzen Threadripper PRO 9975WX

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 9455P	Ryzen Threadripper PRO 9975WX
1080p
low	655 FPS	818 FPS
medium	566 FPS	697 FPS
high	459 FPS	542 FPS
ultra	397 FPS	472 FPS
1440p
low	546 FPS	674 FPS
medium	483 FPS	599 FPS
high	404 FPS	480 FPS
ultra	328 FPS	388 FPS
4K
low	331 FPS	377 FPS
medium	295 FPS	339 FPS
high	268 FPS	310 FPS
ultra	236 FPS	271 FPS

Open EPYC 9455P Open Ryzen Threadripper PRO 9975WX

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 9455P	Ryzen Threadripper PRO 9975WX
1080p
low	747 FPS	891 FPS
medium	634 FPS	723 FPS
high	590 FPS	649 FPS
ultra	519 FPS	552 FPS
1440p
low	561 FPS	714 FPS
medium	474 FPS	580 FPS
high	434 FPS	508 FPS
ultra	376 FPS	427 FPS
4K
low	405 FPS	508 FPS
medium	326 FPS	419 FPS
high	288 FPS	375 FPS
ultra	229 FPS	311 FPS

Open EPYC 9455P Open Ryzen Threadripper PRO 9975WX

League of Legends

League of Legends

Valorant

Preset	EPYC 9455P	Ryzen Threadripper PRO 9975WX
1080p
low	993 FPS	1116 FPS
medium	892 FPS	1002 FPS
high	767 FPS	879 FPS
ultra	692 FPS	792 FPS
1440p
low	799 FPS	872 FPS
medium	696 FPS	768 FPS
high	594 FPS	674 FPS
ultra	525 FPS	587 FPS
4K
low	567 FPS	636 FPS
medium	503 FPS	568 FPS
high	441 FPS	504 FPS
ultra	387 FPS	437 FPS

Open EPYC 9455P Open Ryzen Threadripper PRO 9975WX

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 9455P and Ryzen Threadripper PRO 9975WX

EPYC 9455P

The EPYC 9455P is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 48 cores and 96 threads. Base frequency is 3.15 GHz, with boost up to 4.4 GHz. L3 cache: 256 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 300 Watt. Memory support: DDR5. Passmark benchmark score: 116,926 points. Launch price was $4,819.

Ryzen Threadripper PRO 9975WX

The Ryzen Threadripper PRO 9975WX 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 32 cores and 64 threads. Base frequency is 4 GHz, with boost up to 5.4 GHz. L3 cache: 128 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: 106,263 points. Launch price was $4,099.

⚡

Processing Power

The EPYC 9455P packs 48 cores / 96 threads, while the Ryzen Threadripper PRO 9975WX offers 32 cores / 64 threads — the EPYC 9455P has 16 more cores. Boost clocks reach 4.4 GHz on the EPYC 9455P versus 5.4 GHz on the Ryzen Threadripper PRO 9975WX — a 20.4% clock advantage for the Ryzen Threadripper PRO 9975WX (base: 3.15 GHz vs 4 GHz). The EPYC 9455P uses the Turin (2024) architecture (4 nm), while the Ryzen Threadripper PRO 9975WX uses Shimada Peak (2025) (4 nm). In PassMark, the EPYC 9455P scores 116,926 against the Ryzen Threadripper PRO 9975WX's 106,263 — a 9.6% lead for the EPYC 9455P. Geekbench 6 single-core — the metric most relevant to gaming — records 1,962 vs 3,200, a 48% lead for the Ryzen Threadripper PRO 9975WX that directly translates to higher frame rates. Multi-core Geekbench: 1,898 vs 31,000 (176.9% advantage for the Ryzen Threadripper PRO 9975WX). L3 cache: 256 MB (total) on the EPYC 9455P vs 128 MB (total) on the Ryzen Threadripper PRO 9975WX.

Feature	EPYC 9455P	Ryzen Threadripper PRO 9975WX
Cores / Threads	48 / 96+50%	32 / 64
Boost Clock	4.4 GHz	5.4 GHz+23%
Base Clock	3.15 GHz	4 GHz+27%
L3 Cache	256 MB (total)+100%	128 MB (total)
L2 Cache	1 MB (per core)	1 MB (per core)
Process	4 nm	4 nm
Architecture	Turin (2024)	Shimada Peak (2025)
PassMark	116,926+10%	106,263
Cinebench R23 Multi	—	83,982
Geekbench 6 Single	1,962	3,200+63%
Geekbench 6 Multi	1,898	31,000+1533%

🧠

Memory & Platform

The EPYC 9455P uses the SP5 socket (PCIe 5.0), while the Ryzen Threadripper PRO 9975WX uses sTR5 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR5-6000 memory speed. The Ryzen Threadripper PRO 9975WX supports up to 2048 GB of RAM compared to 9 TB — 198.2% more capacity for professional workloads. Memory channels: 12 (EPYC 9455P) vs 8 (Ryzen Threadripper PRO 9975WX). Both provide 128 PCIe lanes. Chipset compatibility: SP5 (EPYC 9455P) and WRX90,TRX50 (Ryzen Threadripper PRO 9975WX).

Feature	EPYC 9455P	Ryzen Threadripper PRO 9975WX
Socket	SP5	sTR5
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-6000	DDR5-6400
Max RAM Capacity	9 TB+350%	2048 GB
RAM Channels	12+50%	8
ECC Support	Yes	Yes
PCIe Lanes	128	128

🔧

Advanced Features

Virtualization support: AMD-V, SEV-SNP (EPYC 9455P) vs true (Ryzen Threadripper PRO 9975WX). Primary use case: EPYC 9455P targets Data Center / Single Socket, Ryzen Threadripper PRO 9975WX targets High-end Workstation. Direct competitor: EPYC 9455P rivals Xeon 6766E; Ryzen Threadripper PRO 9975WX rivals Xeon w7-3465X.

Feature	EPYC 9455P	Ryzen Threadripper PRO 9975WX
Integrated GPU	No	No
AVX-512	—	Yes
Virtualization	AMD-V, SEV-SNP	true
Target Use	Data Center / Single Socket	High-end Workstation

💰

Value Analysis

The EPYC 9455P launched at $4819 MSRP, while the Ryzen Threadripper PRO 9975WX debuted at $4099. On MSRP ($4819 vs $4099), the Ryzen Threadripper PRO 9975WX is $720 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9455P delivers 24.3 pts/$ vs 25.9 pts/$ for the Ryzen Threadripper PRO 9975WX — making the Ryzen Threadripper PRO 9975WX the 6.6% better value option.