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: +15.0% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $5,203 less on MSRP ($1,337 MSRP vs $6,540 MSRP).
✅Delivers 388.5% more PassMark for each dollar spent, at 46.6 vs 9.5 PassMark/$ ($1,337 MSRP vs $6,540 MSRP).
✅60% more PCIe lanes (128 vs 80) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (62,261 vs 62,347).
❌Older platform position on sWRX8 with DDR4, while Xeon Platinum 8454H moves to LGA4677 and DDR5.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Xeon Platinum 8454H

2023

Why buy it

✅+0.1% higher PassMark.
✅Draws 270W instead of 280W, a 10W 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 9.5 vs 46.6 PassMark/$ ($6,540 MSRP vs $1,337 MSRP).

Ryzen Threadripper PRO 3975WX

2020

Xeon Platinum 8454H

2023

Why buy it

✅Better for gaming: +15.0% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $5,203 less on MSRP ($1,337 MSRP vs $6,540 MSRP).
✅Delivers 388.5% more PassMark for each dollar spent, at 46.6 vs 9.5 PassMark/$ ($1,337 MSRP vs $6,540 MSRP).
✅60% more PCIe lanes (128 vs 80) for storage and expansion-heavy builds.

Why buy it

✅+0.1% higher PassMark.
✅Draws 270W instead of 280W, a 10W reduction.
✅Newer platform on LGA4677 with DDR5 support instead of sWRX8 and DDR4.

Trade-offs

❌Lower PassMark (62,261 vs 62,347).
❌Older platform position on sWRX8 with DDR4, while Xeon Platinum 8454H 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 per dollar, at 9.5 vs 46.6 PassMark/$ ($6,540 MSRP vs $1,337 MSRP).

Quick Answers

So, is Xeon Platinum 8454H better than Ryzen Threadripper PRO 3975WX?

It depends on what matters more to you. For gaming, Ryzen Threadripper PRO 3975WX is ahead with a 15.0% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon Platinum 8454H pulls ahead with 0.1% better PassMark. Ryzen Threadripper PRO 3975WX also has the bigger cache pool with 55.2% larger total L3 cache (128 MB vs 83 MB).

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

For streaming, content creation, and heavier multitasking, Xeon Platinum 8454H is the better fit. You are getting 0.1% better PassMark, backed by 32 cores and 64 threads.

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

Xeon Platinum 8454H is still the faster CPU overall, but Ryzen Threadripper PRO 3975WX makes more sense if price matters more than absolute performance. Xeon Platinum 8454H is 389.2% more expensive on MSRP at $6,540 MSRP versus $1,337 MSRP, and it gives you 0.1% better PassMark. The trade-off is that Ryzen Threadripper PRO 3975WX is still the better pure gaming CPU with a 15.0% average FPS lead across 50 shared CPU game tests in our data. Ryzen Threadripper PRO 3975WX is also 388.5% better value on MSRP (46.6 vs 9.5 PassMark/$), 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 Platinum 8454H 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 Platinum 8454H Benchmark Check

Path of Exile 2

Preset	Ryzen Threadripper PRO 3975WX	Xeon Platinum 8454H
1080p
low	183 FPS	186 FPS
medium	149 FPS	168 FPS
high	126 FPS	135 FPS
ultra	98 FPS	109 FPS
1440p
low	160 FPS	153 FPS
medium	127 FPS	129 FPS
high	101 FPS	98 FPS
ultra	79 FPS	81 FPS
4K
low	73 FPS	71 FPS
medium	61 FPS	63 FPS
high	48 FPS	48 FPS
ultra	40 FPS	40 FPS

Open Ryzen Threadripper PRO 3975WX Open Xeon Platinum 8454H

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen Threadripper PRO 3975WX	Xeon Platinum 8454H
1080p
low	579 FPS	250 FPS
medium	499 FPS	224 FPS
high	383 FPS	186 FPS
ultra	327 FPS	148 FPS
1440p
low	485 FPS	205 FPS
medium	425 FPS	187 FPS
high	338 FPS	160 FPS
ultra	274 FPS	124 FPS
4K
low	304 FPS	128 FPS
medium	270 FPS	119 FPS
high	231 FPS	103 FPS
ultra	202 FPS	83 FPS

Open Ryzen Threadripper PRO 3975WX Open Xeon Platinum 8454H

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen Threadripper PRO 3975WX	Xeon Platinum 8454H
1080p
low	681 FPS	811 FPS
medium	564 FPS	735 FPS
high	497 FPS	700 FPS
ultra	425 FPS	624 FPS
1440p
low	570 FPS	724 FPS
medium	479 FPS	651 FPS
high	424 FPS	608 FPS
ultra	364 FPS	547 FPS
4K
low	417 FPS	486 FPS
medium	333 FPS	397 FPS
high	293 FPS	354 FPS
ultra	234 FPS	294 FPS

Open Ryzen Threadripper PRO 3975WX Open Xeon Platinum 8454H

League of Legends

League of Legends

Valorant

Preset	Ryzen Threadripper PRO 3975WX	Xeon Platinum 8454H
1080p
low	1020 FPS	1084 FPS
medium	917 FPS	965 FPS
high	765 FPS	823 FPS
ultra	664 FPS	679 FPS
1440p
low	802 FPS	891 FPS
medium	701 FPS	765 FPS
high	584 FPS	650 FPS
ultra	496 FPS	536 FPS
4K
low	559 FPS	646 FPS
medium	504 FPS	567 FPS
high	437 FPS	496 FPS
ultra	373 FPS	415 FPS

Open Ryzen Threadripper PRO 3975WX Open Xeon Platinum 8454H

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen Threadripper PRO 3975WX and Xeon Platinum 8454H

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 Platinum 8454H

The Xeon Platinum 8454H 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 3.4 GHz. L3 cache: 82.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 270 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 62,347 points. Launch price was $6,540.

⚡

Processing Power

Both the Ryzen Threadripper PRO 3975WX and Xeon Platinum 8454H share an identical 32-core/64-thread configuration. Boost clocks reach 4.2 GHz on the Ryzen Threadripper PRO 3975WX versus 3.4 GHz on the Xeon Platinum 8454H — a 21.1% 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 Platinum 8454H uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Ryzen Threadripper PRO 3975WX scores 62,261 against the Xeon Platinum 8454H's 62,347 — a 0.1% lead for the Xeon Platinum 8454H. L3 cache: 128 MB on the Ryzen Threadripper PRO 3975WX vs 82.5 MB on the Xeon Platinum 8454H.

Feature	Ryzen Threadripper PRO 3975WX	Xeon Platinum 8454H
Cores / Threads	32 / 64	32 / 64
Boost Clock	4.2 GHz+24%	3.4 GHz
Base Clock	3.5 GHz+67%	2.1 GHz
L3 Cache	128 MB+55%	82.5 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	62,347
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 Platinum 8454H 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 Platinum 8454H — the Xeon Platinum 8454H supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Platinum 8454H 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 Platinum 8454H) — 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 Platinum 8454H).

Feature	Ryzen Threadripper PRO 3975WX	Xeon Platinum 8454H
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 Platinum 8454H supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Ryzen Threadripper PRO 3975WX) vs VT-x, VT-d (Xeon Platinum 8454H). Direct competitor: Ryzen Threadripper PRO 3975WX rivals Xeon W-3375; Xeon Platinum 8454H rivals EPYC 9354.

Feature	Ryzen Threadripper PRO 3975WX	Xeon Platinum 8454H
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 Platinum 8454H debuted at $6540. On MSRP ($1337 vs $6540), the Ryzen Threadripper PRO 3975WX is $5203 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen Threadripper PRO 3975WX delivers 46.6 pts/$ vs 9.5 pts/$ for the Xeon Platinum 8454H — making the Ryzen Threadripper PRO 3975WX the 132% better value option.