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: +3.6% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $2,246 less on MSRP ($1,337 MSRP vs $3,583 MSRP).
✅Delivers 176.0% more PassMark for each dollar spent, at 46.6 vs 16.9 PassMark/$ ($1,337 MSRP vs $3,583 MSRP).
✅60% more PCIe lanes (128 vs 80) for storage and expansion-heavy builds.

Trade-offs

❌24.4% higher power demand at 280W vs 225W.
❌Older platform position on sWRX8 with DDR4, while Xeon Gold 6448Y moves to LGA4677 and DDR5.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Xeon Gold 6448Y

2023

Why buy it

✅Draws 225W instead of 280W, a 55W reduction.
✅Newer platform on LGA4677 with DDR5 support instead of sWRX8 and DDR4.
✅AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen Threadripper PRO 3975WX across 50 shared CPU benchmark tests.
❌Lower PassMark (60,449 vs 62,261).
❌Lower PassMark per dollar, at 16.9 vs 46.6 PassMark/$ ($3,583 MSRP vs $1,337 MSRP).

Ryzen Threadripper PRO 3975WX

2020

Xeon Gold 6448Y

2023

Why buy it

✅Better for gaming: +3.6% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $2,246 less on MSRP ($1,337 MSRP vs $3,583 MSRP).
✅Delivers 176.0% more PassMark for each dollar spent, at 46.6 vs 16.9 PassMark/$ ($1,337 MSRP vs $3,583 MSRP).
✅60% more PCIe lanes (128 vs 80) for storage and expansion-heavy builds.

Why buy it

✅Draws 225W instead of 280W, a 55W reduction.
✅Newer platform on LGA4677 with DDR5 support instead of sWRX8 and DDR4.
✅AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

❌24.4% higher power demand at 280W vs 225W.
❌Older platform position on sWRX8 with DDR4, while Xeon Gold 6448Y moves to LGA4677 and DDR5.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen Threadripper PRO 3975WX across 50 shared CPU benchmark tests.
❌Lower PassMark (60,449 vs 62,261).
❌Lower PassMark per dollar, at 16.9 vs 46.6 PassMark/$ ($3,583 MSRP vs $1,337 MSRP).

Quick Answers

So, is Ryzen Threadripper PRO 3975WX better than Xeon Gold 6448Y?

Yes. Ryzen Threadripper PRO 3975WX is the better overall CPU here. You are getting a 3.6% average FPS lead across 50 shared CPU game tests in our data and 3% better PassMark, 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 3.6% more average FPS across 50 shared CPU game tests. It also has a big cache advantage at 128 MB vs 60 MB.

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 3% better PassMark, backed by 32 cores and 64 threads. It also carries the larger cache pool with 113.3% larger total L3 cache (128 MB vs 60 MB).

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

Ryzen Threadripper PRO 3975WX is the smarter buy today. Ryzen Threadripper PRO 3975WX is $2,246 cheaper on MSRP at $1,337 MSRP versus $3,583 MSRP, and it gives you a 3.6% average FPS lead across 50 shared CPU game tests in our data. It is also 176.0% better value on MSRP (46.6 vs 16.9 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.

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

Xeon Gold 6448Y 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, 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 6448Y Benchmark Check

Path of Exile 2

Preset	Ryzen Threadripper PRO 3975WX	Xeon Gold 6448Y
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 6448Y

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen Threadripper PRO 3975WX	Xeon Gold 6448Y
1080p
low	579 FPS	303 FPS
medium	499 FPS	269 FPS
high	383 FPS	224 FPS
ultra	327 FPS	199 FPS
1440p
low	485 FPS	261 FPS
medium	425 FPS	234 FPS
high	338 FPS	201 FPS
ultra	274 FPS	168 FPS
4K
low	304 FPS	163 FPS
medium	270 FPS	149 FPS
high	231 FPS	138 FPS
ultra	202 FPS	124 FPS

Open Ryzen Threadripper PRO 3975WX Open Xeon Gold 6448Y

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen Threadripper PRO 3975WX	Xeon Gold 6448Y
1080p
low	681 FPS	1025 FPS
medium	564 FPS	1006 FPS
high	497 FPS	929 FPS
ultra	425 FPS	843 FPS
1440p
low	570 FPS	878 FPS
medium	479 FPS	780 FPS
high	424 FPS	710 FPS
ultra	364 FPS	638 FPS
4K
low	417 FPS	550 FPS
medium	333 FPS	453 FPS
high	293 FPS	392 FPS
ultra	234 FPS	321 FPS

Open Ryzen Threadripper PRO 3975WX Open Xeon Gold 6448Y

League of Legends

League of Legends

Valorant

Preset	Ryzen Threadripper PRO 3975WX	Xeon Gold 6448Y
1080p
low	1020 FPS	972 FPS
medium	917 FPS	875 FPS
high	765 FPS	756 FPS
ultra	664 FPS	649 FPS
1440p
low	802 FPS	754 FPS
medium	701 FPS	661 FPS
high	584 FPS	568 FPS
ultra	496 FPS	488 FPS
4K
low	559 FPS	549 FPS
medium	504 FPS	489 FPS
high	437 FPS	430 FPS
ultra	373 FPS	367 FPS

Open Ryzen Threadripper PRO 3975WX Open Xeon Gold 6448Y

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen Threadripper PRO 3975WX and Xeon Gold 6448Y

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 6448Y

The Xeon Gold 6448Y 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 2.1 GHz, with boost up to 4.1 GHz. L3 cache: 60 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 225 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 60,449 points. Launch price was $3,583.

⚡

Processing Power

Both the Ryzen Threadripper PRO 3975WX and Xeon Gold 6448Y share an identical 32-core/64-thread configuration. Boost clocks reach 4.2 GHz on the Ryzen Threadripper PRO 3975WX versus 4.1 GHz on the Xeon Gold 6448Y — a 2.4% clock advantage for the Ryzen Threadripper PRO 3975WX (base: 3.5 GHz vs 2.1 GHz). The Ryzen Threadripper PRO 3975WX uses the Matisse (2019−2020) architecture (7 nm, 12 nm), while the Xeon Gold 6448Y uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Ryzen Threadripper PRO 3975WX scores 62,261 against the Xeon Gold 6448Y's 60,449 — a 3% lead for the Ryzen Threadripper PRO 3975WX. L3 cache: 128 MB on the Ryzen Threadripper PRO 3975WX vs 60 MB on the Xeon Gold 6448Y.

Feature	Ryzen Threadripper PRO 3975WX	Xeon Gold 6448Y
Cores / Threads	32 / 64	32 / 64
Boost Clock	4.2 GHz+2%	4.1 GHz
Base Clock	3.5 GHz+67%	2.1 GHz
L3 Cache	128 MB+113%	60 MB
L2 Cache	512K (per core)	2 MB (per core)+300%
Process	7 nm, 12 nm	Intel 7 nm
Architecture	Matisse (2019−2020)	Sapphire Rapids (2023−2024)
PassMark	62,261+3%	60,449
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 6448Y 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 6448Y — the Xeon Gold 6448Y supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6448Y 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 6448Y) — 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 6448Y).

Feature	Ryzen Threadripper PRO 3975WX	Xeon Gold 6448Y
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 6448Y 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 6448Y). Direct competitor: Ryzen Threadripper PRO 3975WX rivals Xeon W-3375; Xeon Gold 6448Y rivals EPYC 9354.

Feature	Ryzen Threadripper PRO 3975WX	Xeon Gold 6448Y
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 6448Y debuted at $3583. On MSRP ($1337 vs $3583), the Ryzen Threadripper PRO 3975WX is $2246 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen Threadripper PRO 3975WX delivers 46.6 pts/$ vs 16.9 pts/$ for the Xeon Gold 6448Y — making the Ryzen Threadripper PRO 3975WX the 93.6% better value option.