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: +12.1% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $1,270 less on MSRP ($1,337 MSRP vs $2,607 MSRP).
✅Delivers 93.7% more PassMark for each dollar spent, at 46.6 vs 24.0 PassMark/$ ($1,337 MSRP vs $2,607 MSRP).
✅60% more PCIe lanes (128 vs 80) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (62,261 vs 62,660).
❌36.6% higher power demand at 280W vs 205W.
❌Older platform position on sWRX8 with DDR4, while Xeon Gold 6438Y+ moves to LGA4677 and DDR5.

Xeon Gold 6438Y+

2023

Why buy it

✅+0.6% higher PassMark.
✅Draws 205W instead of 280W, a 75W reduction.
✅Newer platform on LGA4677 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 PassMark per dollar, at 24.0 vs 46.6 PassMark/$ ($2,607 MSRP vs $1,337 MSRP).

Ryzen Threadripper PRO 3975WX

2020

Xeon Gold 6438Y+

2023

Why buy it

✅Better for gaming: +12.1% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $1,270 less on MSRP ($1,337 MSRP vs $2,607 MSRP).
✅Delivers 93.7% more PassMark for each dollar spent, at 46.6 vs 24.0 PassMark/$ ($1,337 MSRP vs $2,607 MSRP).
✅60% more PCIe lanes (128 vs 80) for storage and expansion-heavy builds.

Why buy it

✅+0.6% higher PassMark.
✅Draws 205W instead of 280W, a 75W reduction.
✅Newer platform on LGA4677 with DDR5 support instead of sWRX8 and DDR4.

Trade-offs

❌Lower PassMark (62,261 vs 62,660).
❌36.6% higher power demand at 280W vs 205W.
❌Older platform position on sWRX8 with DDR4, while Xeon Gold 6438Y+ moves to LGA4677 and DDR5.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen Threadripper PRO 3975WX across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 24.0 vs 46.6 PassMark/$ ($2,607 MSRP vs $1,337 MSRP).

Quick Answers

So, is Xeon Gold 6438Y+ better than Ryzen Threadripper PRO 3975WX?

It depends on what matters more to you. For gaming, Ryzen Threadripper PRO 3975WX is ahead with a 12.1% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon Gold 6438Y+ pulls ahead with 0.6% better PassMark. Ryzen Threadripper PRO 3975WX also has the bigger cache pool with 113.3% larger total L3 cache (128 MB vs 60 MB).

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

For streaming, content creation, and heavier multitasking, Xeon Gold 6438Y+ is the better fit. You are getting 0.6% better PassMark, backed by 32 cores and 64 threads.

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

Xeon Gold 6438Y+ is still the faster CPU overall, but Ryzen Threadripper PRO 3975WX makes more sense if price matters more than absolute performance. Xeon Gold 6438Y+ is 95.0% more expensive on MSRP at $2,607 MSRP versus $1,337 MSRP, and it gives you 0.6% better PassMark. The trade-off is that Ryzen Threadripper PRO 3975WX is still the better pure gaming CPU with a 12.1% average FPS lead across 50 shared CPU game tests in our data. Ryzen Threadripper PRO 3975WX is also 93.7% better value on MSRP (46.6 vs 24.0 PassMark/$), 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 6438Y+ is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020), a healthier platform with LGA4677 and DDR5 instead of sWRX8, more multi-core headroom with 32 cores / 64 threads instead of 32/64, 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 Gold 6438Y+ Benchmark Check

Path of Exile 2

Preset	Ryzen Threadripper PRO 3975WX	Xeon Gold 6438Y+
1080p
low	183 FPS	200 FPS
medium	149 FPS	165 FPS
high	126 FPS	137 FPS
ultra	98 FPS	107 FPS
1440p
low	160 FPS	159 FPS
medium	127 FPS	124 FPS
high	101 FPS	98 FPS
ultra	79 FPS	77 FPS
4K
low	73 FPS	73 FPS
medium	61 FPS	61 FPS
high	48 FPS	48 FPS
ultra	40 FPS	39 FPS

Open Ryzen Threadripper PRO 3975WX Open Xeon Gold 6438Y+

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen Threadripper PRO 3975WX	Xeon Gold 6438Y+
1080p
low	579 FPS	263 FPS
medium	499 FPS	233 FPS
high	383 FPS	193 FPS
ultra	327 FPS	161 FPS
1440p
low	485 FPS	225 FPS
medium	425 FPS	203 FPS
high	338 FPS	173 FPS
ultra	274 FPS	138 FPS
4K
low	304 FPS	140 FPS
medium	270 FPS	128 FPS
high	231 FPS	117 FPS
ultra	202 FPS	98 FPS

Open Ryzen Threadripper PRO 3975WX Open Xeon Gold 6438Y+

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen Threadripper PRO 3975WX	Xeon Gold 6438Y+
1080p
low	681 FPS	1025 FPS
medium	564 FPS	961 FPS
high	497 FPS	906 FPS
ultra	425 FPS	822 FPS
1440p
low	570 FPS	831 FPS
medium	479 FPS	739 FPS
high	424 FPS	685 FPS
ultra	364 FPS	615 FPS
4K
low	417 FPS	531 FPS
medium	333 FPS	437 FPS
high	293 FPS	378 FPS
ultra	234 FPS	310 FPS

Open Ryzen Threadripper PRO 3975WX Open Xeon Gold 6438Y+

League of Legends

League of Legends

Valorant

Preset	Ryzen Threadripper PRO 3975WX	Xeon Gold 6438Y+
1080p
low	1020 FPS	916 FPS
medium	917 FPS	832 FPS
high	765 FPS	717 FPS
ultra	664 FPS	621 FPS
1440p
low	802 FPS	721 FPS
medium	701 FPS	634 FPS
high	584 FPS	543 FPS
ultra	496 FPS	470 FPS
4K
low	559 FPS	525 FPS
medium	504 FPS	469 FPS
high	437 FPS	411 FPS
ultra	373 FPS	354 FPS

Open Ryzen Threadripper PRO 3975WX Open Xeon Gold 6438Y+

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen Threadripper PRO 3975WX and Xeon Gold 6438Y+

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 Gold 6438Y+

The Xeon Gold 6438Y+ is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 32 cores and 64 threads. Base frequency is 2 GHz, with boost up to 4 GHz. L3 cache: 60 MB. L2 cache: 2 MB (per core). Built on 10 nm process technology. Socket: LGA4677. Thermal design power (TDP): 205 Watt. Memory support: DDR5-4800. Passmark benchmark score: 62,660 points. Launch price was $3,141.

⚡

Processing Power

Both the Ryzen Threadripper PRO 3975WX and Xeon Gold 6438Y+ share an identical 32-core/64-thread configuration. Boost clocks reach 4.2 GHz on the Ryzen Threadripper PRO 3975WX versus 4 GHz on the Xeon Gold 6438Y+ — a 4.9% clock advantage for the Ryzen Threadripper PRO 3975WX (base: 3.5 GHz vs 2 GHz). The Ryzen Threadripper PRO 3975WX uses the Matisse (2019−2020) architecture (7 nm, 12 nm), while the Xeon Gold 6438Y+ uses Sapphire Rapids (2023−2024) (10 nm). In PassMark, the Ryzen Threadripper PRO 3975WX scores 62,261 against the Xeon Gold 6438Y+'s 62,660 — a 0.6% lead for the Xeon Gold 6438Y+. L3 cache: 128 MB on the Ryzen Threadripper PRO 3975WX vs 60 MB on the Xeon Gold 6438Y+.

Feature	Ryzen Threadripper PRO 3975WX	Xeon Gold 6438Y+
Cores / Threads	32 / 64	32 / 64
Boost Clock	4.2 GHz+5%	4 GHz
Base Clock	3.5 GHz+75%	2 GHz
L3 Cache	128 MB+113%	60 MB
L2 Cache	512K (per core)	2 MB (per core)+300%
Process	7 nm, 12 nm-30%	10 nm
Architecture	Matisse (2019−2020)	Sapphire Rapids (2023−2024)
PassMark	62,261	62,660
Cinebench R23 Multi	42,986	—
Geekbench 6 Single	1,260	—
Geekbench 6 Multi	25,211	—

🧠

Memory & Platform

The Ryzen Threadripper PRO 3975WX uses the sWRX8 socket (PCIe 4.0), while the Xeon Gold 6438Y+ uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen Threadripper PRO 3975WX versus 4800 on the Xeon Gold 6438Y+ — the Xeon Gold 6438Y+ supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6438Y+ supports up to 4096 of RAM compared to 2048 GB — 66.7% more capacity for professional workloads. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (Ryzen Threadripper PRO 3975WX) vs 80 (Xeon Gold 6438Y+) — the Ryzen Threadripper PRO 3975WX offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD WRX80 (Ryzen Threadripper PRO 3975WX) and C741 (Xeon Gold 6438Y+).

Feature	Ryzen Threadripper PRO 3975WX	Xeon Gold 6438Y+
Socket	sWRX8	LGA4677
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	DDR4-3200	4800+119900%
Max RAM Capacity	2048 GB+52428700%	4096
RAM Channels	8	8
ECC Support	Yes	Yes
PCIe Lanes	128+60%	80

🔧

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 Gold 6438Y+ supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Ryzen Threadripper PRO 3975WX) vs VT-x, VT-d (Xeon Gold 6438Y+). Direct competitor: Ryzen Threadripper PRO 3975WX rivals Xeon W-3375; Xeon Gold 6438Y+ rivals EPYC 9354.

Feature	Ryzen Threadripper PRO 3975WX	Xeon Gold 6438Y+
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	Yes	No
AVX-512	No	Yes
Virtualization	true	VT-x, VT-d

💰

Value Analysis

The Ryzen Threadripper PRO 3975WX launched at $1337 MSRP, while the Xeon Gold 6438Y+ debuted at $2607. On MSRP ($1337 vs $2607), the Ryzen Threadripper PRO 3975WX is $1270 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen Threadripper PRO 3975WX delivers 46.6 pts/$ vs 24.0 pts/$ for the Xeon Gold 6438Y+ — making the Ryzen Threadripper PRO 3975WX the 63.8% better value option.