Ryzen Threadripper PRO 3955WX vs Xeon Gold 6338

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 3955WX

2020

Why buy it

✅Better for gaming: +9.3% higher average FPS across 4 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (64 MB vs 48 MB).
✅Costs $1,841 less on MSRP ($1,149 MSRP vs $2,990 MSRP).
✅Delivers 158.3% more PassMark for each dollar spent, at 34.8 vs 13.5 PassMark/$ ($1,149 MSRP vs $2,990 MSRP).
✅100% more PCIe lanes (128 vs 64) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (39,929 vs 40,225).
❌36.6% higher power demand at 280W vs 205W.

Xeon Gold 6338

2021

Why buy it

✅+0.7% higher PassMark.
✅Draws 205W instead of 280W, a 75W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen Threadripper PRO 3955WX across 4 shared CPU benchmark tests.
❌Smaller total L3 cache (48 MB vs 64 MB).
❌Lower PassMark per dollar, at 13.5 vs 34.8 PassMark/$ ($2,990 MSRP vs $1,149 MSRP).

Ryzen Threadripper PRO 3955WX

2020

Xeon Gold 6338

2021

Why buy it

✅Better for gaming: +9.3% higher average FPS across 4 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (64 MB vs 48 MB).
✅Costs $1,841 less on MSRP ($1,149 MSRP vs $2,990 MSRP).
✅Delivers 158.3% more PassMark for each dollar spent, at 34.8 vs 13.5 PassMark/$ ($1,149 MSRP vs $2,990 MSRP).
✅100% more PCIe lanes (128 vs 64) for storage and expansion-heavy builds.

Why buy it

✅+0.7% higher PassMark.
✅Draws 205W instead of 280W, a 75W reduction.

Trade-offs

❌Lower PassMark (39,929 vs 40,225).
❌36.6% higher power demand at 280W vs 205W.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen Threadripper PRO 3955WX across 4 shared CPU benchmark tests.
❌Smaller total L3 cache (48 MB vs 64 MB).
❌Lower PassMark per dollar, at 13.5 vs 34.8 PassMark/$ ($2,990 MSRP vs $1,149 MSRP).

Quick Answers

So, is Xeon Gold 6338 better than Ryzen Threadripper PRO 3955WX?

It depends on what matters more to you. For gaming, Ryzen Threadripper PRO 3955WX is ahead with a 9.3% average FPS lead across 4 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon Gold 6338 pulls ahead with 0.7% better PassMark. Ryzen Threadripper PRO 3955WX 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 Gold 6338 is the better fit. You are getting 0.7% better PassMark, backed by 32 cores and 64 threads.

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

Xeon Gold 6338 is still the faster CPU overall, but Ryzen Threadripper PRO 3955WX makes more sense if price matters more than absolute performance. Xeon Gold 6338 is 160.2% more expensive on MSRP at $2,990 MSRP versus $1,149 MSRP, and it gives you 0.7% better PassMark. The trade-off is that Ryzen Threadripper PRO 3955WX is still the better pure gaming CPU with a 9.3% average FPS lead across 4 shared CPU game tests in our data. Ryzen Threadripper PRO 3955WX is also 158.3% better value on MSRP (34.8 vs 13.5 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

Xeon Gold 6338 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2020) and more multi-core headroom with 32 cores / 64 threads instead of 16/32. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

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 3955WX Benchmark Check

Xeon Gold 6338 Benchmark Check

Path of Exile 2

Preset	Ryzen Threadripper PRO 3955WX	Xeon Gold 6338
1080p
low	210 FPS	186 FPS
medium	170 FPS	149 FPS
high	142 FPS	119 FPS
ultra	104 FPS	93 FPS
1440p
low	186 FPS	152 FPS
medium	147 FPS	118 FPS
high	118 FPS	90 FPS
ultra	88 FPS	72 FPS
4K
low	88 FPS	71 FPS
medium	74 FPS	59 FPS
high	58 FPS	46 FPS
ultra	47 FPS	37 FPS

Open Ryzen Threadripper PRO 3955WX Open Xeon Gold 6338

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen Threadripper PRO 3955WX	Xeon Gold 6338
1080p
low	557 FPS	233 FPS
medium	486 FPS	208 FPS
high	395 FPS	173 FPS
ultra	351 FPS	139 FPS
1440p
low	479 FPS	199 FPS
medium	424 FPS	181 FPS
high	356 FPS	154 FPS
ultra	296 FPS	119 FPS
4K
low	299 FPS	124 FPS
medium	268 FPS	115 FPS
high	243 FPS	101 FPS
ultra	217 FPS	82 FPS

Open Ryzen Threadripper PRO 3955WX Open Xeon Gold 6338

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen Threadripper PRO 3955WX	Xeon Gold 6338
1080p
low	773 FPS	969 FPS
medium	638 FPS	848 FPS
high	569 FPS	802 FPS
ultra	494 FPS	712 FPS
1440p
low	600 FPS	775 FPS
medium	495 FPS	669 FPS
high	437 FPS	632 FPS
ultra	376 FPS	561 FPS
4K
low	431 FPS	498 FPS
medium	344 FPS	393 FPS
high	303 FPS	350 FPS
ultra	243 FPS	285 FPS

Open Ryzen Threadripper PRO 3955WX Open Xeon Gold 6338

League of Legends

League of Legends

Valorant

Preset	Ryzen Threadripper PRO 3955WX	Xeon Gold 6338
1080p
low	998 FPS	884 FPS
medium	970 FPS	800 FPS
high	823 FPS	687 FPS
ultra	725 FPS	587 FPS
1440p
low	847 FPS	691 FPS
medium	745 FPS	606 FPS
high	630 FPS	518 FPS
ultra	540 FPS	440 FPS
4K
low	594 FPS	499 FPS
medium	540 FPS	446 FPS
high	468 FPS	390 FPS
ultra	405 FPS	336 FPS

Open Ryzen Threadripper PRO 3955WX Open Xeon Gold 6338

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen Threadripper PRO 3955WX and Xeon Gold 6338

Ryzen Threadripper PRO 3955WX

The Ryzen Threadripper PRO 3955WX is manufactured by AMD. It was released in 14 July 2020 (5 years ago). It is based on the Castle Peak (2020) architecture. It features 16 cores and 32 threads. Base frequency is 3.9 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB. L2 cache: 512 kB (per core). Built on 7 nm, 12 nm process technology. Socket: sWRX8. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 39,929 points. Launch price was $1,149.

Xeon Gold 6338

The Xeon Gold 6338 is manufactured by Intel. It was released in 2015-01-01. It features 32 cores and 64 threads. Base frequency is 2 GHz, with boost up to 3.2 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: 40,225 points. Launch price was $800.

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Processing Power

The Ryzen Threadripper PRO 3955WX packs 16 cores / 32 threads, while the Xeon Gold 6338 offers 32 cores / 64 threads — the Xeon Gold 6338 has 16 more cores. Boost clocks reach 4.3 GHz on the Ryzen Threadripper PRO 3955WX versus 3.2 GHz on the Xeon Gold 6338 — a 29.3% clock advantage for the Ryzen Threadripper PRO 3955WX (base: 3.9 GHz vs 2 GHz). The Ryzen Threadripper PRO 3955WX is built on the Castle Peak (2020) architecture. In PassMark, the Ryzen Threadripper PRO 3955WX scores 39,929 against the Xeon Gold 6338's 40,225 — a 0.7% lead for the Xeon Gold 6338. L3 cache: 64 MB on the Ryzen Threadripper PRO 3955WX vs 48 MB on the Xeon Gold 6338.

Feature	Ryzen Threadripper PRO 3955WX	Xeon Gold 6338
Cores / Threads	16 / 32	32 / 64+100%
Boost Clock	4.3 GHz+34%	3.2 GHz
Base Clock	3.9 GHz+95%	2 GHz
L3 Cache	64 MB+33%	48 MB
L2 Cache	512 kB (per core)	—
Process	7 nm, 12 nm-30%	10 nm
Architecture	Castle Peak (2020)	—
PassMark	39,929	40,225

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Memory & Platform

The Ryzen Threadripper PRO 3955WX uses the sWRX8 socket (PCIe 4.0), while the Xeon Gold 6338 uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to 3200 memory speed. The Xeon Gold 6338 supports up to 6144 of RAM compared to 2048 — 100% more capacity for professional workloads. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (Ryzen Threadripper PRO 3955WX) vs 64 (Xeon Gold 6338) — the Ryzen Threadripper PRO 3955WX offers 64 more lanes for additional GPUs or NVMe drives. Chipset compatibility: WRX80 (Ryzen Threadripper PRO 3955WX) and C621A (Xeon Gold 6338).

Feature	Ryzen Threadripper PRO 3955WX	Xeon Gold 6338
Socket	sWRX8	LGA4189
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	3200	3200
Max RAM Capacity	2048	6144+200%
RAM Channels	8	8
ECC Support	Yes	Yes
PCIe Lanes	128+100%	64

🔧

Advanced Features

Only the Ryzen Threadripper PRO 3955WX 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: VT-x, VT-d, AMD-V (Ryzen Threadripper PRO 3955WX) vs VT-x, VT-d (Xeon Gold 6338). Direct competitor: Ryzen Threadripper PRO 3955WX rivals Xeon Silver 4314; Xeon Gold 6338 rivals EPYC 7543.

Feature	Ryzen Threadripper PRO 3955WX	Xeon Gold 6338
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	Yes	No
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d, AMD-V	VT-x, VT-d

💰

Value Analysis

The Ryzen Threadripper PRO 3955WX launched at $1149 MSRP, while the Xeon Gold 6338 debuted at $2990. On MSRP ($1149 vs $2990), the Ryzen Threadripper PRO 3955WX is $1841 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen Threadripper PRO 3955WX delivers 34.8 pts/$ vs 13.5 pts/$ for the Xeon Gold 6338 — making the Ryzen Threadripper PRO 3955WX the 88.4% better value option.