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 9555P

2024

Why buy it

✅+2.6% higher Geekbench multi-core.
✅60% more PCIe lanes (128 vs 80) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen Threadripper 9980X across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 17.0 vs 28.4 PassMark/$ ($7,983 MSRP vs $4,999 MSRP).
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Ryzen Threadripper 9980X

2025

Why buy it

✅Better for gaming: +14.4% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $2,984 less on MSRP ($4,999 MSRP vs $7,983 MSRP).
✅Delivers 67.5% more PassMark for each dollar spent, at 28.4 vs 17.0 PassMark/$ ($4,999 MSRP vs $7,983 MSRP).
✅Draws 350W instead of 360W, a 10W reduction.

Trade-offs

❌Lower Geekbench multi-core (28,666 vs 29,406).

EPYC 9555P

2024

Ryzen Threadripper 9980X

2025

Why buy it

✅+2.6% higher Geekbench multi-core.
✅60% more PCIe lanes (128 vs 80) for storage and expansion-heavy builds.

Why buy it

✅Better for gaming: +14.4% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $2,984 less on MSRP ($4,999 MSRP vs $7,983 MSRP).
✅Delivers 67.5% more PassMark for each dollar spent, at 28.4 vs 17.0 PassMark/$ ($4,999 MSRP vs $7,983 MSRP).
✅Draws 350W instead of 360W, a 10W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen Threadripper 9980X across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 17.0 vs 28.4 PassMark/$ ($7,983 MSRP vs $4,999 MSRP).
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Trade-offs

❌Lower Geekbench multi-core (28,666 vs 29,406).

Quick Answers

So, is Ryzen Threadripper 9980X better than EPYC 9555P?

It depends on what matters more to you. For gaming, Ryzen Threadripper 9980X is ahead with a 14.4% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, EPYC 9555P pulls ahead with 2.6% better Geekbench multi-core.

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

For streaming, content creation, and heavier multitasking, EPYC 9555P is the better fit. You are getting 2.6% better Geekbench multi-core, backed by 64 cores and 128 threads.

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

Ryzen Threadripper 9980X is the smarter buy today. Ryzen Threadripper 9980X is $2,984 cheaper on MSRP at $4,999 MSRP versus $7,983 MSRP, and it gives you a 14.4% average FPS lead across 50 shared CPU game tests in our data. The trade-off is that EPYC 9555P is still stronger for heavier multi-core work with 2.6% better Geekbench multi-core. It is also 67.5% better value on MSRP (28.4 vs 17.0 PassMark/$), 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 9980X is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2024) 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 9555P Benchmark Check

Ryzen Threadripper 9980X Benchmark Check

Path of Exile 2

Preset	EPYC 9555P	Ryzen Threadripper 9980X
1080p
low	171 FPS	303 FPS
medium	142 FPS	281 FPS
high	122 FPS	231 FPS
ultra	99 FPS	195 FPS
1440p
low	150 FPS	268 FPS
medium	121 FPS	224 FPS
high	99 FPS	172 FPS
ultra	83 FPS	152 FPS
4K
low	84 FPS	186 FPS
medium	73 FPS	155 FPS
high	57 FPS	117 FPS
ultra	47 FPS	105 FPS

Open EPYC 9555P Open Ryzen Threadripper 9980X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 9555P	Ryzen Threadripper 9980X
1080p
low	655 FPS	803 FPS
medium	566 FPS	687 FPS
high	459 FPS	538 FPS
ultra	397 FPS	468 FPS
1440p
low	546 FPS	662 FPS
medium	483 FPS	590 FPS
high	404 FPS	477 FPS
ultra	328 FPS	386 FPS
4K
low	331 FPS	370 FPS
medium	295 FPS	334 FPS
high	268 FPS	308 FPS
ultra	236 FPS	269 FPS

Open EPYC 9555P Open Ryzen Threadripper 9980X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 9555P	Ryzen Threadripper 9980X
1080p
low	747 FPS	889 FPS
medium	634 FPS	728 FPS
high	590 FPS	654 FPS
ultra	519 FPS	556 FPS
1440p
low	561 FPS	693 FPS
medium	474 FPS	567 FPS
high	434 FPS	498 FPS
ultra	376 FPS	419 FPS
4K
low	405 FPS	490 FPS
medium	326 FPS	407 FPS
high	288 FPS	365 FPS
ultra	229 FPS	303 FPS

Open EPYC 9555P Open Ryzen Threadripper 9980X

League of Legends

League of Legends

Valorant

Preset	EPYC 9555P	Ryzen Threadripper 9980X
1080p
low	1005 FPS	1131 FPS
medium	902 FPS	1014 FPS
high	778 FPS	889 FPS
ultra	702 FPS	802 FPS
1440p
low	809 FPS	890 FPS
medium	704 FPS	783 FPS
high	603 FPS	688 FPS
ultra	533 FPS	599 FPS
4K
low	574 FPS	649 FPS
medium	510 FPS	579 FPS
high	447 FPS	514 FPS
ultra	392 FPS	437 FPS

Open EPYC 9555P Open Ryzen Threadripper 9980X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 9555P and Ryzen Threadripper 9980X

EPYC 9555P

The EPYC 9555P is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 64 cores and 128 threads. Base frequency is 3.2 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): 360 Watt. Memory support: DDR5. Passmark benchmark score: 135,441 points. Launch price was $7,983.

Ryzen Threadripper 9980X

The Ryzen Threadripper 9980X is manufactured by AMD. It was released in 30 July 2025 (less than a year ago). It is based on the Shimada Peak (2025) architecture. It features 64 cores and 128 threads. Base frequency is 3.2 GHz, with boost up to 5.4 GHz. L3 cache: 256 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: 142,069 points. Launch price was $4,999.

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Processing Power

Both the EPYC 9555P and Ryzen Threadripper 9980X share an identical 64-core/128-thread configuration. Boost clocks reach 4.4 GHz on the EPYC 9555P versus 5.4 GHz on the Ryzen Threadripper 9980X — a 20.4% clock advantage for the Ryzen Threadripper 9980X (base: 3.2 GHz vs 3.2 GHz). The EPYC 9555P uses the Turin (2024) architecture (4 nm), while the Ryzen Threadripper 9980X uses Shimada Peak (2025) (4 nm). In PassMark, the EPYC 9555P scores 135,441 against the Ryzen Threadripper 9980X's 142,069 — a 4.8% lead for the Ryzen Threadripper 9980X. Geekbench 6 single-core — the metric most relevant to gaming — records 2,815 vs 3,220, a 13.4% lead for the Ryzen Threadripper 9980X that directly translates to higher frame rates. Multi-core Geekbench: 29,406 vs 28,666 (2.5% advantage for the EPYC 9555P). Both processors carry 256 MB (total) of L3 cache.

Feature	EPYC 9555P	Ryzen Threadripper 9980X
Cores / Threads	64 / 128	64 / 128
Boost Clock	4.4 GHz	5.4 GHz+23%
Base Clock	3.2 GHz	3.2 GHz
L3 Cache	256 MB (total)	256 MB (total)
L2 Cache	1 MB (per core)	1 MB (per core)
Process	4 nm	4 nm
Architecture	Turin (2024)	Shimada Peak (2025)
PassMark	135,441	142,069+5%
Cinebench R23 Multi	—	115,098
Geekbench 6 Single	2,815	3,220+14%
Geekbench 6 Multi	29,406+3%	28,666

🧠

Memory & Platform

The EPYC 9555P uses the SP5 socket (PCIe 5.0), while the Ryzen Threadripper 9980X uses sTR5 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR5-6000 memory speed. The EPYC 9555P supports up to 6 TB of RAM compared to 1 TB — 142.9% more capacity for professional workloads. Memory channels: 12 (EPYC 9555P) vs 4 (Ryzen Threadripper 9980X). PCIe lanes: 128 (EPYC 9555P) vs 80 (Ryzen Threadripper 9980X) — the EPYC 9555P offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP5 (EPYC 9555P) and sTR5,TRX50 (Ryzen Threadripper 9980X).

Feature	EPYC 9555P	Ryzen Threadripper 9980X
Socket	SP5	sTR5
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-6000	DDR5-6400
Max RAM Capacity	6 TB+500%	1 TB
RAM Channels	12+200%	4
ECC Support	Yes	Yes
PCIe Lanes	128+60%	80

🔧

Advanced Features

Virtualization support: AMD-V, SEV-SNP (EPYC 9555P) vs AMD-V, SVM (Ryzen Threadripper 9980X). Primary use case: EPYC 9555P targets Data Center / Single Socket, Ryzen Threadripper 9980X targets HEDT / Enthusiast Workstation. Direct competitor: EPYC 9555P rivals Xeon 6979P; Ryzen Threadripper 9980X rivals Xeon w9-3495X.

Feature	EPYC 9555P	Ryzen Threadripper 9980X
Integrated GPU	No	No
Unlocked	—	Yes
AVX-512	—	Yes
Virtualization	AMD-V, SEV-SNP	AMD-V, SVM
Target Use	Data Center / Single Socket	HEDT / Enthusiast Workstation

💰

Value Analysis

The EPYC 9555P launched at $7983 MSRP, while the Ryzen Threadripper 9980X debuted at $4999. On MSRP ($7983 vs $4999), the Ryzen Threadripper 9980X is $2984 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9555P delivers 17.0 pts/$ vs 28.4 pts/$ for the Ryzen Threadripper 9980X — making the Ryzen Threadripper 9980X the 50.5% better value option.