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

✅+113.3% larger total L3 cache (128 MB vs 60 MB).
✅Costs $673 less on MSRP ($1,337 MSRP vs $2,010 MSRP).
✅Delivers 50.2% more PassMark for each dollar spent, at 46.6 vs 31.0 PassMark/$ ($1,337 MSRP vs $2,010 MSRP).
✅100% more PCIe lanes (128 vs 64) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon Platinum 8380 across 4 shared CPU benchmark tests.
❌Lower Geekbench multi-core (25,211 vs 40,000).
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Xeon Platinum 8380

2021

Why buy it

✅Better for gaming: +6.7% higher average FPS across 4 shared CPU benchmark tests.
✅Draws 270W instead of 280W, a 10W reduction.
✅AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

❌Smaller total L3 cache (60 MB vs 128 MB).
❌Lower PassMark per dollar, at 31.0 vs 46.6 PassMark/$ ($2,010 MSRP vs $1,337 MSRP).

Ryzen Threadripper PRO 3975WX

2020

Xeon Platinum 8380

2021

Why buy it

✅+113.3% larger total L3 cache (128 MB vs 60 MB).
✅Costs $673 less on MSRP ($1,337 MSRP vs $2,010 MSRP).
✅Delivers 50.2% more PassMark for each dollar spent, at 46.6 vs 31.0 PassMark/$ ($1,337 MSRP vs $2,010 MSRP).
✅100% more PCIe lanes (128 vs 64) for storage and expansion-heavy builds.

Why buy it

✅Better for gaming: +6.7% higher average FPS across 4 shared CPU benchmark tests.
✅Draws 270W instead of 280W, a 10W reduction.
✅AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon Platinum 8380 across 4 shared CPU benchmark tests.
❌Lower Geekbench multi-core (25,211 vs 40,000).
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Trade-offs

❌Smaller total L3 cache (60 MB vs 128 MB).
❌Lower PassMark per dollar, at 31.0 vs 46.6 PassMark/$ ($2,010 MSRP vs $1,337 MSRP).

Quick Answers

So, is Xeon Platinum 8380 better than Ryzen Threadripper PRO 3975WX?

Yes. Xeon Platinum 8380 is the better overall CPU here. You are getting a 6.7% average FPS lead across 4 shared CPU game tests in our data, 58.7% better Geekbench multi-core, 0.1% higher PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Xeon Platinum 8380 is the better pick here. According to our tests, it delivers 6.7% more average FPS across 4 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Xeon Platinum 8380 is the better fit. You are getting 58.7% better Geekbench multi-core, backed by 40 cores and 80 threads.

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

Xeon Platinum 8380 is still the faster CPU overall, but Ryzen Threadripper PRO 3975WX makes more sense if price matters more than absolute performance. Xeon Platinum 8380 is 50.3% more expensive on MSRP at $2,010 MSRP versus $1,337 MSRP, and it gives you a 6.7% average FPS lead across 4 shared CPU game tests in our data. Ryzen Threadripper PRO 3975WX is also 50.2% better value on MSRP (46.6 vs 31.0 PassMark/$), 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 Platinum 8380 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2020), more multi-core headroom with 40 cores / 80 threads instead of 32/64, and AVX-512 support for heavier modern compute workloads. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

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 8380 Benchmark Check

Path of Exile 2

Preset	Ryzen Threadripper PRO 3975WX	Xeon Platinum 8380
1080p
low	183 FPS	185 FPS
medium	149 FPS	149 FPS
high	126 FPS	120 FPS
ultra	98 FPS	94 FPS
1440p
low	160 FPS	154 FPS
medium	127 FPS	120 FPS
high	101 FPS	93 FPS
ultra	79 FPS	74 FPS
4K
low	73 FPS	72 FPS
medium	61 FPS	60 FPS
high	48 FPS	46 FPS
ultra	40 FPS	38 FPS

Open Ryzen Threadripper PRO 3975WX Open Xeon Platinum 8380

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen Threadripper PRO 3975WX	Xeon Platinum 8380
1080p
low	579 FPS	412 FPS
medium	499 FPS	361 FPS
high	383 FPS	294 FPS
ultra	327 FPS	235 FPS
1440p
low	485 FPS	353 FPS
medium	425 FPS	314 FPS
high	338 FPS	264 FPS
ultra	274 FPS	203 FPS
4K
low	304 FPS	219 FPS
medium	270 FPS	198 FPS
high	231 FPS	167 FPS
ultra	202 FPS	135 FPS

Open Ryzen Threadripper PRO 3975WX Open Xeon Platinum 8380

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen Threadripper PRO 3975WX	Xeon Platinum 8380
1080p
low	681 FPS	935 FPS
medium	564 FPS	817 FPS
high	497 FPS	766 FPS
ultra	425 FPS	680 FPS
1440p
low	570 FPS	746 FPS
medium	479 FPS	643 FPS
high	424 FPS	603 FPS
ultra	364 FPS	535 FPS
4K
low	417 FPS	479 FPS
medium	333 FPS	378 FPS
high	293 FPS	334 FPS
ultra	234 FPS	272 FPS

Open Ryzen Threadripper PRO 3975WX Open Xeon Platinum 8380

League of Legends

League of Legends

Valorant

Preset	Ryzen Threadripper PRO 3975WX	Xeon Platinum 8380
1080p
low	1020 FPS	900 FPS
medium	917 FPS	817 FPS
high	765 FPS	705 FPS
ultra	664 FPS	606 FPS
1440p
low	802 FPS	703 FPS
medium	701 FPS	617 FPS
high	584 FPS	530 FPS
ultra	496 FPS	454 FPS
4K
low	559 FPS	507 FPS
medium	504 FPS	454 FPS
high	437 FPS	398 FPS
ultra	373 FPS	346 FPS

Open Ryzen Threadripper PRO 3975WX Open Xeon Platinum 8380

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen Threadripper PRO 3975WX and Xeon Platinum 8380

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 8380

The Xeon Platinum 8380 is manufactured by Intel. It was released in 2021-04-06. It is based on the Ice Lake-SP (2021) architecture. It features 40 cores and 80 threads. Base frequency is 2.3 GHz, with boost up to 3.4 GHz. L3 cache: 60 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 270 Watt. Memory support: DDR4-3200. Passmark benchmark score: 62,318 points. Launch price was $5,846.

⚡

Processing Power

The Ryzen Threadripper PRO 3975WX packs 32 cores / 64 threads, while the Xeon Platinum 8380 offers 40 cores / 80 threads — the Xeon Platinum 8380 has 8 more cores. Boost clocks reach 4.2 GHz on the Ryzen Threadripper PRO 3975WX versus 3.4 GHz on the Xeon Platinum 8380 — a 21.1% clock advantage for the Ryzen Threadripper PRO 3975WX (base: 3.5 GHz vs 2.3 GHz). The Ryzen Threadripper PRO 3975WX uses the Matisse (2019−2020) architecture (7 nm, 12 nm), while the Xeon Platinum 8380 uses Ice Lake-SP (2021) (10 nm). In PassMark, the Ryzen Threadripper PRO 3975WX scores 62,261 against the Xeon Platinum 8380's 62,318 — a 0.1% lead for the Xeon Platinum 8380. Geekbench 6 single-core — the metric most relevant to gaming — records 1,260 vs 1,300, a 3.1% lead for the Xeon Platinum 8380 that directly translates to higher frame rates. Multi-core Geekbench: 25,211 vs 40,000 (45.4% advantage for the Xeon Platinum 8380). L3 cache: 128 MB on the Ryzen Threadripper PRO 3975WX vs 60 MB (total) on the Xeon Platinum 8380.

Feature	Ryzen Threadripper PRO 3975WX	Xeon Platinum 8380
Cores / Threads	32 / 64	40 / 80+25%
Boost Clock	4.2 GHz+24%	3.4 GHz
Base Clock	3.5 GHz+52%	2.3 GHz
L3 Cache	128 MB+113%	60 MB (total)
L2 Cache	512K (per core)	1 MB (per core)+100%
Process	7 nm, 12 nm-30%	10 nm
Architecture	Matisse (2019−2020)	Ice Lake-SP (2021)
PassMark	62,261	62,318
Cinebench R23 Multi	42,986	—
Geekbench 6 Single	1,260	1,300+3%
Geekbench 6 Multi	25,211	40,000+59%

🧠

Memory & Platform

The Ryzen Threadripper PRO 3975WX uses the sWRX8 socket (PCIe 4.0), while the Xeon Platinum 8380 uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. The Xeon Platinum 8380 supports up to 6144 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 3975WX) vs 64 (Xeon Platinum 8380) — the Ryzen Threadripper PRO 3975WX offers 64 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD WRX80 (Ryzen Threadripper PRO 3975WX) and C621A (Xeon Platinum 8380).

Feature	Ryzen Threadripper PRO 3975WX	Xeon Platinum 8380
Socket	sWRX8	LGA4189
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR4-3200	DDR4-3200
Max RAM Capacity	2048 GB	6144 GB+200%
RAM Channels	8	8
ECC Support	Yes	Yes
PCIe Lanes	128+100%	64

🔧

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 8380 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 8380). Primary use case: Xeon Platinum 8380 targets Datacenter. Direct competitor: Ryzen Threadripper PRO 3975WX rivals Xeon W-3375; Xeon Platinum 8380 rivals EPYC 7543.

Feature	Ryzen Threadripper PRO 3975WX	Xeon Platinum 8380
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	Yes	No
AVX-512	No	Yes
Virtualization	true	VT-x, VT-d
Target Use	—	Datacenter

💰

Value Analysis

The Ryzen Threadripper PRO 3975WX launched at $1337 MSRP, while the Xeon Platinum 8380 debuted at $2010. On MSRP ($1337 vs $2010), the Ryzen Threadripper PRO 3975WX is $673 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen Threadripper PRO 3975WX delivers 46.6 pts/$ vs 31.0 pts/$ for the Xeon Platinum 8380 — making the Ryzen Threadripper PRO 3975WX the 40.1% better value option.