Ryzen Threadripper PRO 7955WX vs Xeon Gold 6421N

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 7955WX

2023

Why buy it

✅Better for gaming: +24.3% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $469 less on MSRP ($1,899 MSRP vs $2,368 MSRP).
✅Delivers 27.4% more PassMark for each dollar spent, at 31.6 vs 24.8 PassMark/$ ($1,899 MSRP vs $2,368 MSRP).
✅60% more PCIe lanes (128 vs 80) for storage and expansion-heavy builds.

Trade-offs

❌89.2% higher power demand at 350W vs 185W.

Xeon Gold 6421N

2023

Why buy it

✅Draws 185W instead of 350W, a 165W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen Threadripper PRO 7955WX across 50 shared CPU benchmark tests.
❌Lower PassMark (58,797 vs 60,054).
❌Lower PassMark per dollar, at 24.8 vs 31.6 PassMark/$ ($2,368 MSRP vs $1,899 MSRP).

Ryzen Threadripper PRO 7955WX

2023

Xeon Gold 6421N

2023

Why buy it

✅Better for gaming: +24.3% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $469 less on MSRP ($1,899 MSRP vs $2,368 MSRP).
✅Delivers 27.4% more PassMark for each dollar spent, at 31.6 vs 24.8 PassMark/$ ($1,899 MSRP vs $2,368 MSRP).
✅60% more PCIe lanes (128 vs 80) for storage and expansion-heavy builds.

Why buy it

✅Draws 185W instead of 350W, a 165W reduction.

Trade-offs

❌89.2% higher power demand at 350W vs 185W.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen Threadripper PRO 7955WX across 50 shared CPU benchmark tests.
❌Lower PassMark (58,797 vs 60,054).
❌Lower PassMark per dollar, at 24.8 vs 31.6 PassMark/$ ($2,368 MSRP vs $1,899 MSRP).

Quick Answers

So, is Ryzen Threadripper PRO 7955WX better than Xeon Gold 6421N?

Yes. Ryzen Threadripper PRO 7955WX is the better overall CPU here. You are getting a 24.3% average FPS lead across 50 shared CPU game tests in our data and 2.1% better PassMark, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Ryzen Threadripper PRO 7955WX is the better pick here. According to our tests, it delivers 24.3% 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 7955WX is the better fit. You are getting 2.1% better PassMark, backed by 16 cores and 32 threads.

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

Ryzen Threadripper PRO 7955WX is the smarter buy today. Ryzen Threadripper PRO 7955WX is $469 cheaper on MSRP at $1,899 MSRP versus $2,368 MSRP, and it gives you a 24.3% average FPS lead across 50 shared CPU game tests in our data. It is also 27.4% better value on MSRP (31.6 vs 24.8 PassMark/$), 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?

Xeon Gold 6421N is the safer long-term CPU choice because it gives you more overall headroom and a better platform outlook.

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 7955WX Benchmark Check

Xeon Gold 6421N Benchmark Check

Path of Exile 2

Preset	Ryzen Threadripper PRO 7955WX	Xeon Gold 6421N
1080p
low	297 FPS	200 FPS
medium	270 FPS	165 FPS
high	223 FPS	137 FPS
ultra	188 FPS	107 FPS
1440p
low	273 FPS	159 FPS
medium	224 FPS	124 FPS
high	174 FPS	98 FPS
ultra	153 FPS	77 FPS
4K
low	187 FPS	73 FPS
medium	154 FPS	61 FPS
high	118 FPS	47 FPS
ultra	104 FPS	39 FPS

Open Ryzen Threadripper PRO 7955WX Open Xeon Gold 6421N

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen Threadripper PRO 7955WX	Xeon Gold 6421N
1080p
low	776 FPS	239 FPS
medium	635 FPS	213 FPS
high	471 FPS	177 FPS
ultra	399 FPS	143 FPS
1440p
low	639 FPS	201 FPS
medium	543 FPS	182 FPS
high	417 FPS	157 FPS
ultra	325 FPS	122 FPS
4K
low	359 FPS	125 FPS
medium	308 FPS	116 FPS
high	269 FPS	102 FPS
ultra	227 FPS	83 FPS

Open Ryzen Threadripper PRO 7955WX Open Xeon Gold 6421N

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen Threadripper PRO 7955WX	Xeon Gold 6421N
1080p
low	888 FPS	956 FPS
medium	705 FPS	837 FPS
high	622 FPS	793 FPS
ultra	534 FPS	705 FPS
1440p
low	713 FPS	774 FPS
medium	567 FPS	668 FPS
high	489 FPS	623 FPS
ultra	414 FPS	555 FPS
4K
low	507 FPS	495 FPS
medium	418 FPS	391 FPS
high	375 FPS	342 FPS
ultra	315 FPS	279 FPS

Open Ryzen Threadripper PRO 7955WX Open Xeon Gold 6421N

League of Legends

League of Legends

Valorant

Preset	Ryzen Threadripper PRO 7955WX	Xeon Gold 6421N
1080p
low	1106 FPS	923 FPS
medium	991 FPS	832 FPS
high	867 FPS	717 FPS
ultra	781 FPS	619 FPS
1440p
low	860 FPS	715 FPS
medium	759 FPS	627 FPS
high	664 FPS	538 FPS
ultra	576 FPS	460 FPS
4K
low	632 FPS	516 FPS
medium	562 FPS	460 FPS
high	496 FPS	404 FPS
ultra	429 FPS	349 FPS

Open Ryzen Threadripper PRO 7955WX Open Xeon Gold 6421N

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen Threadripper PRO 7955WX and Xeon Gold 6421N

Ryzen Threadripper PRO 7955WX

The Ryzen Threadripper PRO 7955WX is manufactured by AMD. It was released in 19 October 2023 (2 years ago). It is based on the Storm Peak (2023) architecture. It features 16 cores and 32 threads. Base frequency is 4.5 GHz, with boost up to 5.3 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: sTR5. Thermal design power (TDP): 350 Watt. Memory support: DDR5. Passmark benchmark score: 60,054 points. Launch price was $1,899.

Xeon Gold 6421N

The Xeon Gold 6421N is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 32 cores and 64 threads. Base frequency is 1.8 GHz, with boost up to 3.6 GHz. L3 cache: 60 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 185 Watt. Memory support: DDR5-4400. Passmark benchmark score: 58,797 points. Launch price was $2,368.

⚡

Processing Power

The Ryzen Threadripper PRO 7955WX packs 16 cores / 32 threads, while the Xeon Gold 6421N offers 32 cores / 64 threads — the Xeon Gold 6421N has 16 more cores. Boost clocks reach 5.3 GHz on the Ryzen Threadripper PRO 7955WX versus 3.6 GHz on the Xeon Gold 6421N — a 38.2% clock advantage for the Ryzen Threadripper PRO 7955WX (base: 4.5 GHz vs 1.8 GHz). The Ryzen Threadripper PRO 7955WX uses the Storm Peak (2023) architecture (5 nm), while the Xeon Gold 6421N uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Ryzen Threadripper PRO 7955WX scores 60,054 against the Xeon Gold 6421N's 58,797 — a 2.1% lead for the Ryzen Threadripper PRO 7955WX. L3 cache: 64 MB (total) on the Ryzen Threadripper PRO 7955WX vs 60 MB on the Xeon Gold 6421N.

Feature	Ryzen Threadripper PRO 7955WX	Xeon Gold 6421N
Cores / Threads	16 / 32	32 / 64+100%
Boost Clock	5.3 GHz+47%	3.6 GHz
Base Clock	4.5 GHz+150%	1.8 GHz
L3 Cache	64 MB (total)+7%	60 MB
L2 Cache	1 MB (per core)	2 MB (per core)+100%
Process	5 nm-29%	Intel 7 nm
Architecture	Storm Peak (2023)	Sapphire Rapids (2023−2024)
PassMark	60,054+2%	58,797
Cinebench R23 Multi	36,742	—
Geekbench 6 Single	3,020	—
Geekbench 6 Multi	21,079	—

🧠

Memory & Platform

The Ryzen Threadripper PRO 7955WX uses the sTR5 socket (PCIe 4.0), while the Xeon Gold 6421N uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Ryzen Threadripper PRO 7955WX versus 4800 on the Xeon Gold 6421N — the Xeon Gold 6421N supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6421N supports up to 4096 of RAM compared to 1024 GB — 120% more capacity for professional workloads. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (Ryzen Threadripper PRO 7955WX) vs 80 (Xeon Gold 6421N) — the Ryzen Threadripper PRO 7955WX offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: WRX90,TRX50 (Ryzen Threadripper PRO 7955WX) and C741 (Xeon Gold 6421N).

Feature	Ryzen Threadripper PRO 7955WX	Xeon Gold 6421N
Socket	sTR5	LGA4677
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	DDR5-5200	4800+95900%
Max RAM Capacity	1024 GB+26214300%	4096
RAM Channels	8	8
ECC Support	Yes	Yes
PCIe Lanes	128+60%	80

🔧

Advanced Features

Only the Ryzen Threadripper PRO 7955WX 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 7955WX) vs VT-x, VT-d (Xeon Gold 6421N). Direct competitor: Ryzen Threadripper PRO 7955WX rivals Xeon w7-2495X; Xeon Gold 6421N rivals EPYC 9354.

Feature	Ryzen Threadripper PRO 7955WX	Xeon Gold 6421N
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 7955WX launched at $1899 MSRP, while the Xeon Gold 6421N debuted at $2368. On MSRP ($1899 vs $2368), the Ryzen Threadripper PRO 7955WX is $469 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen Threadripper PRO 7955WX delivers 31.6 pts/$ vs 24.8 pts/$ for the Xeon Gold 6421N — making the Ryzen Threadripper PRO 7955WX the 24.1% better value option.