Ryzen Threadripper PRO 3955WX vs Xeon W-3275M

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

✅+66.2% larger total L3 cache (64 MB vs 39 MB).
✅Costs $3,300 less on MSRP ($1,149 MSRP vs $4,449 MSRP).
✅Delivers 282.5% more PassMark for each dollar spent, at 34.8 vs 9.1 PassMark/$ ($1,149 MSRP vs $4,449 MSRP).
✅100% more PCIe lanes (128 vs 64) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon W-3275M across 3 shared CPU benchmark tests.
❌Lower PassMark (39,929 vs 40,419).
❌36.6% higher power demand at 280W vs 205W.

Xeon W-3275M

2019

Why buy it

✅Better for gaming: +23.4% higher average FPS across 3 shared CPU benchmark tests.
✅Draws 205W instead of 280W, a 75W reduction.

Trade-offs

❌Smaller total L3 cache (39 MB vs 64 MB).
❌Lower PassMark per dollar, at 9.1 vs 34.8 PassMark/$ ($4,449 MSRP vs $1,149 MSRP).

Ryzen Threadripper PRO 3955WX

2020

Xeon W-3275M

2019

Why buy it

✅+66.2% larger total L3 cache (64 MB vs 39 MB).
✅Costs $3,300 less on MSRP ($1,149 MSRP vs $4,449 MSRP).
✅Delivers 282.5% more PassMark for each dollar spent, at 34.8 vs 9.1 PassMark/$ ($1,149 MSRP vs $4,449 MSRP).
✅100% more PCIe lanes (128 vs 64) for storage and expansion-heavy builds.

Why buy it

✅Better for gaming: +23.4% higher average FPS across 3 shared CPU benchmark tests.
✅Draws 205W instead of 280W, a 75W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon W-3275M across 3 shared CPU benchmark tests.
❌Lower PassMark (39,929 vs 40,419).
❌36.6% higher power demand at 280W vs 205W.

Trade-offs

❌Smaller total L3 cache (39 MB vs 64 MB).
❌Lower PassMark per dollar, at 9.1 vs 34.8 PassMark/$ ($4,449 MSRP vs $1,149 MSRP).

Quick Answers

So, is Xeon W-3275M better than Ryzen Threadripper PRO 3955WX?

Yes. Xeon W-3275M is the better overall CPU here. You are getting a 23.4% average FPS lead across 3 shared CPU game tests in our data and 1.2% better PassMark, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Xeon W-3275M is the better pick here. According to our tests, it delivers 23.4% more average FPS across 3 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Xeon W-3275M is the better fit. You are getting 1.2% better PassMark, backed by 28 cores and 56 threads.

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

Xeon W-3275M is still the faster CPU overall, but Ryzen Threadripper PRO 3955WX makes more sense if price matters more than absolute performance. Xeon W-3275M is 287.2% more expensive on MSRP at $4,449 MSRP versus $1,149 MSRP, and it gives you a 23.4% average FPS lead across 3 shared CPU game tests in our data. Ryzen Threadripper PRO 3955WX is also 282.5% better value on MSRP (34.8 vs 9.1 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

Ryzen Threadripper PRO 3955WX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2019) and 66.2% larger total L3 cache (64 MB vs 39 MB). That makes it the safer long-term pick.

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 W-3275M Benchmark Check

Path of Exile 2

Preset	Ryzen Threadripper PRO 3955WX	Xeon W-3275M
1080p
low	210 FPS	198 FPS
medium	170 FPS	162 FPS
high	142 FPS	132 FPS
ultra	104 FPS	106 FPS
1440p
low	186 FPS	159 FPS
medium	147 FPS	125 FPS
high	118 FPS	100 FPS
ultra	88 FPS	83 FPS
4K
low	88 FPS	87 FPS
medium	74 FPS	74 FPS
high	58 FPS	58 FPS
ultra	47 FPS	47 FPS

Open Ryzen Threadripper PRO 3955WX Open Xeon W-3275M

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen Threadripper PRO 3955WX	Xeon W-3275M
1080p
low	557 FPS	607 FPS
medium	486 FPS	522 FPS
high	395 FPS	420 FPS
ultra	351 FPS	371 FPS
1440p
low	479 FPS	514 FPS
medium	424 FPS	447 FPS
high	356 FPS	370 FPS
ultra	296 FPS	306 FPS
4K
low	299 FPS	306 FPS
medium	268 FPS	266 FPS
high	243 FPS	243 FPS
ultra	217 FPS	213 FPS

Open Ryzen Threadripper PRO 3955WX Open Xeon W-3275M

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen Threadripper PRO 3955WX	Xeon W-3275M
1080p
low	773 FPS	1010 FPS
medium	638 FPS	928 FPS
high	569 FPS	876 FPS
ultra	494 FPS	793 FPS
1440p
low	600 FPS	808 FPS
medium	495 FPS	715 FPS
high	437 FPS	675 FPS
ultra	376 FPS	605 FPS
4K
low	431 FPS	519 FPS
medium	344 FPS	429 FPS
high	303 FPS	387 FPS
ultra	243 FPS	315 FPS

Open Ryzen Threadripper PRO 3955WX Open Xeon W-3275M

League of Legends

League of Legends

Valorant

Preset	Ryzen Threadripper PRO 3955WX	Xeon W-3275M
1080p
low	998 FPS	1010 FPS
medium	970 FPS	1010 FPS
high	823 FPS	885 FPS
ultra	725 FPS	773 FPS
1440p
low	847 FPS	932 FPS
medium	745 FPS	804 FPS
high	630 FPS	702 FPS
ultra	540 FPS	603 FPS
4K
low	594 FPS	680 FPS
medium	540 FPS	591 FPS
high	468 FPS	521 FPS
ultra	405 FPS	437 FPS

Open Ryzen Threadripper PRO 3955WX Open Xeon W-3275M

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen Threadripper PRO 3955WX and Xeon W-3275M

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 W-3275M

The Xeon W-3275M is manufactured by Intel. It was released in 3 June 2019 (6 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 28 cores and 56 threads. Base frequency is 2.5 GHz, with boost up to 4.6 GHz. L3 cache: 38.5 MB. L2 cache: 28 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2933. Passmark benchmark score: 40,419 points. Launch price was $7,453.

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Processing Power

The Ryzen Threadripper PRO 3955WX packs 16 cores / 32 threads, while the Xeon W-3275M offers 28 cores / 56 threads — the Xeon W-3275M has 12 more cores. Boost clocks reach 4.3 GHz on the Ryzen Threadripper PRO 3955WX versus 4.6 GHz on the Xeon W-3275M — a 6.7% clock advantage for the Xeon W-3275M (base: 3.9 GHz vs 2.5 GHz). The Ryzen Threadripper PRO 3955WX uses the Castle Peak (2020) architecture (7 nm, 12 nm), while the Xeon W-3275M uses Cascade Lake (2019−2020) (14 nm). In PassMark, the Ryzen Threadripper PRO 3955WX scores 39,929 against the Xeon W-3275M's 40,419 — a 1.2% lead for the Xeon W-3275M. L3 cache: 64 MB on the Ryzen Threadripper PRO 3955WX vs 38.5 MB on the Xeon W-3275M.

Feature	Ryzen Threadripper PRO 3955WX	Xeon W-3275M
Cores / Threads	16 / 32	28 / 56+75%
Boost Clock	4.3 GHz	4.6 GHz+7%
Base Clock	3.9 GHz+56%	2.5 GHz
L3 Cache	64 MB+66%	38.5 MB
L2 Cache	512 kB (per core)	28 MB+5500%
Process	7 nm, 12 nm-50%	14 nm
Architecture	Castle Peak (2020)	Cascade Lake (2019−2020)
PassMark	39,929	40,419+1%

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Memory & Platform

The Ryzen Threadripper PRO 3955WX uses the sWRX8 socket (PCIe 4.0), while the Xeon W-3275M uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the Ryzen Threadripper PRO 3955WX versus 2933 on the Xeon W-3275M — the Ryzen Threadripper PRO 3955WX supports 8.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 2048 of RAM. Memory channels: 8 (Ryzen Threadripper PRO 3955WX) vs 6 (Xeon W-3275M). PCIe lanes: 128 (Ryzen Threadripper PRO 3955WX) vs 64 (Xeon W-3275M) — the Ryzen Threadripper PRO 3955WX offers 64 more lanes for additional GPUs or NVMe drives. Chipset compatibility: WRX80 (Ryzen Threadripper PRO 3955WX) and C620 (Xeon W-3275M).

Feature	Ryzen Threadripper PRO 3955WX	Xeon W-3275M
Socket	sWRX8	LGA3647
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	3200+9%	2933
Max RAM Capacity	2048	2048
RAM Channels	8+33%	6
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 W-3275M). Direct competitor: Ryzen Threadripper PRO 3955WX rivals Xeon Silver 4314; Xeon W-3275M rivals EPYC 7742.

Feature	Ryzen Threadripper PRO 3955WX	Xeon W-3275M
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

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Value Analysis

The Ryzen Threadripper PRO 3955WX launched at $1149 MSRP, while the Xeon W-3275M debuted at $4449. On MSRP ($1149 vs $4449), the Ryzen Threadripper PRO 3955WX is $3300 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen Threadripper PRO 3955WX delivers 34.8 pts/$ vs 9.1 pts/$ for the Xeon W-3275M — making the Ryzen Threadripper PRO 3955WX the 117.1% better value option.