Ryzen Threadripper PRO 3955WX vs Xeon W-3275M

AMD

Ryzen Threadripper PRO 3955WX

16 Cores32 Thrd280 WWMax: 4.3 GHz2020
VS
Intel

Xeon W-3275M

28 Cores56 Thrd205 WWMax: 4.6 GHz2019

Ryzen Threadripper PRO 3955WX vs Xeon W-3275M Performance Spectrum

About PassMark

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.

Ryzen Threadripper PRO 3955WX vs Xeon W-3275M FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Ryzen Threadripper PRO 3955WX vs Xeon W-3275M: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Ryzen Threadripper PRO 3955WX

2020

Why buy it

  • βœ…+66.2% larger total L3 cache (64 MB vs 39 MB).
  • βœ…Costs $3,300 less on MSRP ($1,149 MSRP vs $4,449 MSRP).
  • βœ…Delivers 282.5% more PassMark for each dollar spent, at 34.8 vs 9.1 PassMark/$ ($1,149 MSRP vs $4,449 MSRP).
  • βœ…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 50 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

  • βœ…Better for gaming: +4.3% higher average FPS across 50 shared CPU benchmark tests.
  • βœ…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).

Quick Answers

So, is Xeon W-3275M better than Ryzen Threadripper PRO 3955WX?
Yes. Xeon W-3275M is the better all-around CPU here. It gives you a 4.3% average FPS lead across 50 shared CPU game tests in our data and 1.2% better PassMark, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Xeon W-3275M is the better pick. According to our tests, it delivers 4.3% 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, Xeon W-3275M is the stronger 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 is easier to justify if budget matters more than peak performance. Xeon W-3275M comes in 287.2% more expensive on MSRP at $4,449 MSRP versus $1,149 MSRP, and it still gives you a 4.3% average FPS lead across 50 shared CPU game tests in our data. Ryzen Threadripper PRO 3955WX is also 282.5% better value on MSRP (34.8 vs 9.1 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen Threadripper PRO 3955WX makes more sense long term 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 bet.

Ryzen Threadripper PRO 3955WX vs Xeon W-3275M Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

AMD

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.

Intel

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 (2019βˆ’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.

⚑

Processing Power

The Ryzen Threadripper PRO 3955WX packs 16 cores / 32 threads, while the Xeon W-3275M offers 28 cores / 56 threads β€” 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 β€” 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 (2019βˆ’2020) (14 nm). In PassMark, the Ryzen Threadripper PRO 3955WX scores 39,929 against the Xeon W-3275M's 40,419 β€” 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.

FeatureRyzen Threadripper PRO 3955WXXeon 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 (2019βˆ’2020)
PassMark
39,929
40,419+1%
🧠

Memory & Platform

The Ryzen Threadripper PRO 3955WX uses the sWRX8 socket (PCIe 4.0), while the Xeon W-3275M uses LGA3647 (PCIe 3.0) β€” 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 β€” the Ryzen Threadripper PRO 3955WX supports 9.1% 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) β€” 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).

FeatureRyzen Threadripper PRO 3955WXXeon 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
πŸ”§

Advanced Features

Only the Ryzen Threadripper PRO 3955WX has an unlocked multiplier for overclocking β€” 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.

FeatureRyzen Threadripper PRO 3955WXXeon 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
πŸ’°

Value Analysis

At launch, the Ryzen Threadripper PRO 3955WX was priced at $1149, while the Xeon W-3275M came in at $4449. On launch pricing ($1149 vs $4449), Ryzen Threadripper PRO 3955WX was $3300 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen Threadripper PRO 3955WX delivers 34.8 pts/$ vs 9.1 pts/$ for the Xeon W-3275M β€” making the Ryzen Threadripper PRO 3955WX the 117.1% better value option.

FeatureRyzen Threadripper PRO 3955WXXeon W-3275M
MSRP
$1149-74%
$4449
Performance per Dollar
34.8+282%
9.1
Release Date
2020
2019

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