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 3975WX

2020

Why buy it

✅Better for gaming: +13.3% higher average FPS across 50 shared CPU benchmark tests.
✅45.5% more PCIe lanes (128 vs 88) for storage and expansion-heavy builds.

Trade-offs

❌
3.2% HIGHER MSRP
$1,337 MSRPvs$1,295 MSRP
❌33.3% higher power demand at 280W vs 210W.
❌Older platform position on sWRX8 with DDR4, while Xeon 6520P moves to LGA4710 and DDR5.

Xeon 6520P

2025

Why buy it

✅Costs $42 less on MSRP ($1,295 MSRP vs $1,337 MSRP).
✅Draws 210W instead of 280W, a 70W reduction.
✅Newer platform on LGA4710 with DDR5 support instead of sWRX8 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen Threadripper PRO 3975WX across 50 shared CPU benchmark tests.
❌Lower Geekbench multi-core (25,000 vs 25,211).

Ryzen Threadripper PRO 3975WX

2020

Xeon 6520P

2025

Why buy it

✅Better for gaming: +13.3% higher average FPS across 50 shared CPU benchmark tests.
✅45.5% more PCIe lanes (128 vs 88) for storage and expansion-heavy builds.

Why buy it

✅Costs $42 less on MSRP ($1,295 MSRP vs $1,337 MSRP).
✅Draws 210W instead of 280W, a 70W reduction.
✅Newer platform on LGA4710 with DDR5 support instead of sWRX8 and DDR4.

Trade-offs

❌
3.2% HIGHER MSRP
$1,337 MSRPvs$1,295 MSRP
❌33.3% higher power demand at 280W vs 210W.
❌Older platform position on sWRX8 with DDR4, while Xeon 6520P moves to LGA4710 and DDR5.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen Threadripper PRO 3975WX across 50 shared CPU benchmark tests.
❌Lower Geekbench multi-core (25,000 vs 25,211).

Quick Answers

So, is Ryzen Threadripper PRO 3975WX better than Xeon 6520P?

Yes. Ryzen Threadripper PRO 3975WX is the better overall CPU here. You are getting a 13.3% average FPS lead across 50 shared CPU game tests in our data and 0.8% better Geekbench multi-core, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Ryzen Threadripper PRO 3975WX is the better pick here. According to our tests, it delivers 13.3% 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 3975WX is the better fit. You are getting 0.8% better Geekbench multi-core, backed by 32 cores and 64 threads.

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

Ryzen Threadripper PRO 3975WX is still the faster CPU overall, but Xeon 6520P makes more sense if price matters more than absolute performance. Ryzen Threadripper PRO 3975WX is 3.2% more expensive on MSRP at $1,337 MSRP versus $1,295 MSRP, and it gives you a 13.3% average FPS lead across 50 shared CPU game tests in our data. Xeon 6520P is also 6.1% better value on MSRP (49.4 vs 46.6 PassMark/$), 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 6520P is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2020), a healthier platform with LGA4710 and DDR5 instead of sWRX8, and AVX-512 support for heavier modern compute workloads. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

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 3975WX Benchmark Check

Xeon 6520P Benchmark Check

Path of Exile 2

Preset	Ryzen Threadripper PRO 3975WX	Xeon 6520P
1080p
low	183 FPS	188 FPS
medium	149 FPS	165 FPS
high	126 FPS	131 FPS
ultra	98 FPS	106 FPS
1440p
low	160 FPS	155 FPS
medium	127 FPS	131 FPS
high	101 FPS	100 FPS
ultra	79 FPS	82 FPS
4K
low	73 FPS	70 FPS
medium	61 FPS	63 FPS
high	48 FPS	49 FPS
ultra	40 FPS	40 FPS

Open Ryzen Threadripper PRO 3975WX Open Xeon 6520P

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen Threadripper PRO 3975WX	Xeon 6520P
1080p
low	579 FPS	520 FPS
medium	499 FPS	460 FPS
high	383 FPS	375 FPS
ultra	327 FPS	309 FPS
1440p
low	485 FPS	425 FPS
medium	425 FPS	383 FPS
high	338 FPS	321 FPS
ultra	274 FPS	256 FPS
4K
low	304 FPS	262 FPS
medium	270 FPS	239 FPS
high	231 FPS	212 FPS
ultra	202 FPS	176 FPS

Open Ryzen Threadripper PRO 3975WX Open Xeon 6520P

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen Threadripper PRO 3975WX	Xeon 6520P
1080p
low	681 FPS	910 FPS
medium	564 FPS	838 FPS
high	497 FPS	791 FPS
ultra	425 FPS	698 FPS
1440p
low	570 FPS	782 FPS
medium	479 FPS	716 FPS
high	424 FPS	673 FPS
ultra	364 FPS	601 FPS
4K
low	417 FPS	528 FPS
medium	333 FPS	444 FPS
high	293 FPS	396 FPS
ultra	234 FPS	330 FPS

Open Ryzen Threadripper PRO 3975WX Open Xeon 6520P

League of Legends

League of Legends

Valorant

Preset	Ryzen Threadripper PRO 3975WX	Xeon 6520P
1080p
low	1020 FPS	985 FPS
medium	917 FPS	887 FPS
high	765 FPS	767 FPS
ultra	664 FPS	666 FPS
1440p
low	802 FPS	804 FPS
medium	701 FPS	700 FPS
high	584 FPS	603 FPS
ultra	496 FPS	519 FPS
4K
low	559 FPS	580 FPS
medium	504 FPS	521 FPS
high	437 FPS	462 FPS
ultra	373 FPS	398 FPS

Open Ryzen Threadripper PRO 3975WX Open Xeon 6520P

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen Threadripper PRO 3975WX and Xeon 6520P

Ryzen Threadripper PRO 3975WX

The Ryzen Threadripper PRO 3975WX is manufactured by AMD. It was released in 2020-07-14. It is based on the Matisse (2019−2020) architecture. It features 32 cores and 64 threads. Base frequency is 3.5 GHz, with boost up to 4.2 GHz. L3 cache: 128 MB. L2 cache: 512K (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: 62,261 points. Launch price was $4,499.

Xeon 6520P

The Xeon 6520P is manufactured by Intel. It was released in 24 February 2025 (less than a year ago). It is based on the Granite Rapids (2024−2025) architecture. It features 24 cores and 48 threads. Base frequency is 2.4 GHz, with boost up to 4 GHz. L3 cache: 144 MB (total). L2 cache: 2 MB (per core). Built on Intel 3 nm process technology. Socket: LGA4710. Thermal design power (TDP): 210 Watt. Memory support: DDR5(6400MT/s). Passmark benchmark score: 64,010 points. Launch price was $1,295.

⚡

Processing Power

The Ryzen Threadripper PRO 3975WX packs 32 cores / 64 threads, while the Xeon 6520P offers 24 cores / 48 threads — the Ryzen Threadripper PRO 3975WX has 8 more cores. Boost clocks reach 4.2 GHz on the Ryzen Threadripper PRO 3975WX versus 4 GHz on the Xeon 6520P — a 4.9% clock advantage for the Ryzen Threadripper PRO 3975WX (base: 3.5 GHz vs 2.4 GHz). The Ryzen Threadripper PRO 3975WX uses the Matisse (2019−2020) architecture (7 nm, 12 nm), while the Xeon 6520P uses Granite Rapids (2024−2025) (Intel 3 nm). In PassMark, the Ryzen Threadripper PRO 3975WX scores 62,261 against the Xeon 6520P's 64,010 — a 2.8% lead for the Xeon 6520P. Geekbench 6 single-core — the metric most relevant to gaming — records 1,260 vs 1,900, a 40.5% lead for the Xeon 6520P that directly translates to higher frame rates. Multi-core Geekbench: 25,211 vs 25,000 (0.8% advantage for the Ryzen Threadripper PRO 3975WX). L3 cache: 128 MB on the Ryzen Threadripper PRO 3975WX vs 144 MB (total) on the Xeon 6520P.

Feature	Ryzen Threadripper PRO 3975WX	Xeon 6520P
Cores / Threads	32 / 64+33%	24 / 48
Boost Clock	4.2 GHz+5%	4 GHz
Base Clock	3.5 GHz+46%	2.4 GHz
L3 Cache	128 MB	144 MB (total)+13%
L2 Cache	512K (per core)	2 MB (per core)+300%
Process	7 nm, 12 nm	Intel 3 nm-57%
Architecture	Matisse (2019−2020)	Granite Rapids (2024−2025)
PassMark	62,261	64,010+3%
Cinebench R23 Multi	42,986	—
Geekbench 6 Single	1,260	1,900+51%
Geekbench 6 Multi	25,211	25,000

🧠

Memory & Platform

The Ryzen Threadripper PRO 3975WX uses the sWRX8 socket (PCIe 4.0), while the Xeon 6520P uses LGA4710 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen Threadripper PRO 3975WX versus DDR5-6400 on the Xeon 6520P — the Xeon 6520P supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen Threadripper PRO 3975WX supports up to 2048 GB of RAM compared to 4 TB — 199.2% more capacity for professional workloads. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (Ryzen Threadripper PRO 3975WX) vs 88 (Xeon 6520P) — the Ryzen Threadripper PRO 3975WX offers 40 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD WRX80 (Ryzen Threadripper PRO 3975WX) and FCLGA4710 (Xeon 6520P).

Feature	Ryzen Threadripper PRO 3975WX	Xeon 6520P
Socket	sWRX8	LGA4710
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	DDR4-3200	DDR5-6400+25%
Max RAM Capacity	2048 GB	4 TB+100%
RAM Channels	8	8
ECC Support	Yes	Yes
PCIe Lanes	128+45%	88

🔧

Advanced Features

Only the Ryzen Threadripper PRO 3975WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon 6520P supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Ryzen Threadripper PRO 3975WX) vs VT-x, VT-d (Xeon 6520P). Primary use case: Xeon 6520P targets Server. Direct competitor: Ryzen Threadripper PRO 3975WX rivals Xeon W-3375; Xeon 6520P rivals EPYC 9254.

Feature	Ryzen Threadripper PRO 3975WX	Xeon 6520P
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	Yes	No
AVX-512	No	Yes
Virtualization	true	VT-x, VT-d
Target Use	—	Server

💰

Value Analysis

The Ryzen Threadripper PRO 3975WX launched at $1337 MSRP, while the Xeon 6520P debuted at $1295. On MSRP ($1337 vs $1295), the Xeon 6520P is $42 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen Threadripper PRO 3975WX delivers 46.6 pts/$ vs 49.4 pts/$ for the Xeon 6520P — making the Xeon 6520P the 6% better value option.