Ryzen Threadripper PRO 3945WX vs Xeon Gold 6326

AMD

Ryzen Threadripper PRO 3945WX

12 Cores24 Thrd280 WWMax: 4.3 GHz2020
VS
Intel

Xeon Gold 6326

16 Cores32 Thrd185 WWMax: 3.5 GHz2021

Ryzen Threadripper PRO 3945WX vs Xeon Gold 6326 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 3945WX vs Xeon Gold 6326 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 3945WX vs Xeon Gold 6326: 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 3945WX

2020

Why buy it

  • Better for gaming: +14.0% higher average FPS across 50 shared CPU benchmark tests.
  • +166.7% larger total L3 cache (64 MB vs 24 MB).
  • 100% more PCIe lanes (128 vs 64) for storage and expansion-heavy builds.

Trade-offs

  • Lower Cinebench R23 multi-core (18,500 vs 24,500).
  • Launch MSRP is still $1,149 MSRP, while Xeon Gold 6326 mostly shows up through inconsistent older-market listings.
  • 51.4% higher power demand at 280W vs 185W.

Xeon Gold 6326

2021

Why buy it

  • +32.4% higher Cinebench R23 multi-core.
  • Draws 185W instead of 280W, a 95W reduction.
  • AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen Threadripper PRO 3945WX across 50 shared CPU benchmark tests.
  • Smaller total L3 cache (24 MB vs 64 MB).

Quick Answers

So, is Xeon Gold 6326 better than Ryzen Threadripper PRO 3945WX?
It depends on what you want from the system. For gaming, Ryzen Threadripper PRO 3945WX is ahead with a 14.0% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon Gold 6326 pulls ahead with 32.4% better Cinebench R23 multi-core. Ryzen Threadripper PRO 3945WX also has the bigger cache pool with 166.7% larger total L3 cache (64 MB vs 24 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Xeon Gold 6326 is the stronger fit. You are getting 32.4% better Cinebench R23 multi-core, backed by 16 cores and 32 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Xeon Gold 6326 is still the faster CPU overall, but Ryzen Threadripper PRO 3945WX is easier to justify if budget matters more than peak performance. Xeon Gold 6326 comes in at an unclear MSRP at unclear MSRP versus $1,149 MSRP, and it still gives you 32.4% better Cinebench R23 multi-core. The compromise is that Ryzen Threadripper PRO 3945WX is still the better pure gaming CPU with a 14.0% average FPS lead across 50 shared CPU game tests in our data. Ryzen Threadripper PRO 3945WX is also 100.0% better value on MSRP (29.1 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.
Which one is more future-proof for 2026 and beyond?
Xeon Gold 6326 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2020), more multi-core headroom with 16 cores / 32 threads instead of 12/24, and AVX-512 support for heavier modern compute workloads. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Ryzen Threadripper PRO 3945WX vs Xeon Gold 6326 Technical Specifications

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

AMD

Ryzen Threadripper PRO 3945WX

The Ryzen Threadripper PRO 3945WX 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 12 cores and 24 threads. Base frequency is 4 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: 33,455 points. Launch price was $499.

Intel

Xeon Gold 6326

The Xeon Gold 6326 is manufactured by Intel. It was released in 2015-01-01. It is based on the Ice Lake-SP (2021) architecture. It features 16 cores and 32 threads. Base frequency is 2.9 GHz, with boost up to 3.5 GHz. L3 cache: 24 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 185 Watt. Memory support: DDR4-3200. Passmark benchmark score: 33,764 points. Launch price was $800.

Processing Power

The Ryzen Threadripper PRO 3945WX packs 12 cores / 24 threads, while the Xeon Gold 6326 offers 16 cores / 32 threads — the Xeon Gold 6326 has 4 more cores. Boost clocks reach 4.3 GHz on the Ryzen Threadripper PRO 3945WX versus 3.5 GHz on the Xeon Gold 6326 — a 20.5% clock advantage for the Ryzen Threadripper PRO 3945WX (base: 4 GHz vs 2.9 GHz). The Ryzen Threadripper PRO 3945WX uses the Castle Peak (2020) architecture (7 nm, 12 nm), while the Xeon Gold 6326 uses Ice Lake-SP (2021) (10 nm). In PassMark, the Ryzen Threadripper PRO 3945WX scores 33,455 against the Xeon Gold 6326's 33,764 — a 0.9% lead for the Xeon Gold 6326. Cinebench R23 multi-core: 18,500 vs 24,500 (27.9% advantage for the Xeon Gold 6326). Geekbench 6 single-core — the metric most relevant to gaming — records 1,652 vs 1,631, a 1.3% lead for the Ryzen Threadripper PRO 3945WX that directly translates to higher frame rates. Multi-core Geekbench: 11,500 vs 16,254 (34.3% advantage for the Xeon Gold 6326). L3 cache: 64 MB on the Ryzen Threadripper PRO 3945WX vs 24 MB (total) on the Xeon Gold 6326.

FeatureRyzen Threadripper PRO 3945WXXeon Gold 6326
Cores / Threads
12 / 24
16 / 32+33%
Boost Clock
4.3 GHz+23%
3.5 GHz
Base Clock
4 GHz+38%
2.9 GHz
L3 Cache
64 MB+167%
24 MB (total)
L2 Cache
512 kB (per core)
1 MB (per core)+100%
Process
7 nm, 12 nm-30%
10 nm
Architecture
Castle Peak (2020)
Ice Lake-SP (2021)
PassMark
33,455
33,764
Cinebench R23 Multi
18,500
24,500+32%
Geekbench 6 Single
1,652+1%
1,631
Geekbench 6 Multi
11,500
16,254+41%
🧠

Memory & Platform

The Ryzen Threadripper PRO 3945WX uses the sWRX8 socket (PCIe 4.0), while the Xeon Gold 6326 uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. The Xeon Gold 6326 supports up to 4096 GB of RAM compared to 2048 GB 100% more capacity for professional workloads. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (Ryzen Threadripper PRO 3945WX) vs 64 (Xeon Gold 6326) — the Ryzen Threadripper PRO 3945WX offers 64 more lanes for additional GPUs or NVMe drives. Chipset compatibility: WRX80 (Ryzen Threadripper PRO 3945WX) and C621A,Ice Lake-SP (Xeon Gold 6326).

FeatureRyzen Threadripper PRO 3945WXXeon Gold 6326
Socket
sWRX8
LGA4189
PCIe Generation
PCIe 4.0
PCIe 4.0
Max RAM Speed
DDR4-3200
DDR4-3200
Max RAM Capacity
2048 GB
4096 GB+100%
RAM Channels
8
8
ECC Support
Yes
Yes
PCIe Lanes
128+100%
64
🔧

Advanced Features

Only the Ryzen Threadripper PRO 3945WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon Gold 6326 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen Threadripper PRO 3945WX) vs VT-x, VT-d, EPT (Xeon Gold 6326). Primary use case: Ryzen Threadripper PRO 3945WX targets Professional Workstation, Xeon Gold 6326 targets High-core Server. Direct competitor: Ryzen Threadripper PRO 3945WX rivals Xeon w5-2455X; Xeon Gold 6326 rivals EPYC 7313.

FeatureRyzen Threadripper PRO 3945WXXeon Gold 6326
Integrated GPU
No
No
Unlocked
Yes
No
AVX-512
No
Yes
Virtualization
AMD-V
VT-x, VT-d, EPT
Target Use
Professional Workstation
High-core Server