Ryzen Threadripper 3990X vs Xeon w9-3575X

Ryzen Threadripper 3990X vs Xeon w9-3575X Performance Spectrum

Ryzen Threadripper 3990X

64 / 128

79,889

0.0%

Ryzen 9 5900XT

Ryzen 9 8945HX

Ryzen Threadripper PRO 3975WX

Ryzen 9 9950X3D

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

Ryzen Threadripper PRO 7985WX

Ryzen Threadripper 7980X

Xeon w9-3575X

44 / 88

82,507

+3.3%

About PassMark

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.

Ryzen Threadripper 3990X vs Xeon w9-3575X FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Ryzen Threadripper 3990X vs Xeon w9-3575X: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Ryzen Threadripper 3990X

2019

Why buy it

✅+7.3% higher Cinebench R23 multi-core.
✅+162.6% larger total L3 cache (256 MB vs 98 MB).
✅Draws 280W instead of 340W, a 60W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon w9-3575X across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 20.0 vs 21.8 PassMark/$ ($3,990 MSRP vs $3,789 MSRP).
❌Older platform position on TR4 with DDR4, while Xeon w9-3575X moves to LGA4677 and DDR5.

Xeon w9-3575X

2024

Why buy it

✅Better for gaming: +5.5% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $201 less on MSRP ($3,789 MSRP vs $3,990 MSRP).
✅Delivers 8.8% more PassMark for each dollar spent, at 21.8 vs 20.0 PassMark/$ ($3,789 MSRP vs $3,990 MSRP).
✅Newer platform on LGA4677 with DDR5 support instead of TR4 and DDR4.
✅27.3% more PCIe lanes (112 vs 88) for storage and expansion-heavy builds.

Trade-offs

❌Lower Cinebench R23 multi-core (60,000 vs 64,366).
❌Smaller total L3 cache (98 MB vs 256 MB).
❌21.4% higher power demand at 340W vs 280W.

Quick Answers

So, is Xeon w9-3575X better than Ryzen Threadripper 3990X?

It depends on what you want from the system. For gaming, Xeon w9-3575X is ahead with a 5.5% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen Threadripper 3990X pulls ahead with 7.3% better Cinebench R23 multi-core. Ryzen Threadripper 3990X also has the bigger cache pool with 162.6% larger total L3 cache (256 MB vs 98 MB).

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

For streaming, content creation, and heavier multitasking, Ryzen Threadripper 3990X is the stronger fit. You are getting 7.3% better Cinebench R23 multi-core, backed by 64 cores and 128 threads. It also has the larger cache pool with 162.6% larger total L3 cache (256 MB vs 98 MB).

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

Xeon w9-3575X is the better buy right now. Xeon w9-3575X comes in $201 cheaper on MSRP at $3,789 MSRP versus $3,990 MSRP, and it still gives you a 5.5% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Ryzen Threadripper 3990X is still stronger for heavier multi-core work with 7.3% better Cinebench R23 multi-core. It is also 8.8% better value on MSRP (21.8 vs 20.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Xeon w9-3575X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2019), a healthier platform with LGA4677 and DDR5 instead of TR4, and AVX-512 support for heavier modern compute workloads. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen Threadripper 3990X vs Xeon w9-3575X Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Ryzen Threadripper 3990X

The Ryzen Threadripper 3990X is manufactured by AMD. It was released in 7 February 2020 (5 years ago). It is based on the Matisse (2019−2020) architecture. It features 64 cores and 128 threads. Base frequency is 2.9 GHz, with boost up to 4.3 GHz. L3 cache: 256 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: TR4. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 79,889 points. Launch price was $3,999.

Xeon w9-3575X

The Xeon w9-3575X is manufactured by Intel. It was released in 24 August 2024 (1 year ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 44 cores and 88 threads. Base frequency is 2.2 GHz, with boost up to 4.8 GHz. L3 cache: 97.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 340 Watt. Memory support: DDR5-4800. Passmark benchmark score: 82,507 points. Launch price was $3,789.

⚡

Processing Power

The Ryzen Threadripper 3990X packs 64 cores / 128 threads, while the Xeon w9-3575X offers 44 cores / 88 threads — the Ryzen Threadripper 3990X has 20 more cores. Boost clocks reach 4.3 GHz on the Ryzen Threadripper 3990X versus 4.8 GHz on the Xeon w9-3575X — a 11% clock advantage for the Xeon w9-3575X (base: 2.9 GHz vs 2.2 GHz). The Ryzen Threadripper 3990X uses the Matisse (2019−2020) architecture (7 nm, 12 nm), while the Xeon w9-3575X uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Ryzen Threadripper 3990X scores 79,889 against the Xeon w9-3575X's 82,507 — a 3.2% lead for the Xeon w9-3575X. Cinebench R23 multi-core: 64,366 vs 60,000 (7% advantage for the Ryzen Threadripper 3990X). Geekbench 6 single-core — the metric most relevant to gaming — records 1,961 vs 2,300, a 15.9% lead for the Xeon w9-3575X that directly translates to higher frame rates. Multi-core Geekbench: 22,045 vs 19,320 (13.2% advantage for the Ryzen Threadripper 3990X). L3 cache: 256 MB on the Ryzen Threadripper 3990X vs 97.5 MB on the Xeon w9-3575X.

Feature	Ryzen Threadripper 3990X	Xeon w9-3575X
Cores / Threads	64 / 128+45%	44 / 88
Boost Clock	4.3 GHz	4.8 GHz+12%
Base Clock	2.9 GHz+32%	2.2 GHz
L3 Cache	256 MB+163%	97.5 MB
L2 Cache	512K (per core)+25500%	2 MB (per core)
Process	7 nm, 12 nm	Intel 7 nm
Architecture	Matisse (2019−2020)	Sapphire Rapids (2023−2024)
PassMark	79,889	82,507+3%
Cinebench R23 Multi	64,366+7%	60,000
Geekbench 6 Single	1,961	2,300+17%
Geekbench 6 Multi	22,045+14%	19,320

🧠

Memory & Platform

The Ryzen Threadripper 3990X uses the TR4 socket (PCIe 4.0), while the Xeon w9-3575X uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen Threadripper 3990X versus DDR5-4800 on the Xeon w9-3575X — the Xeon w9-3575X supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon w9-3575X supports up to 4096 GB of RAM compared to 256 GB — 1500% more capacity for professional workloads. Memory channels: 4 (Ryzen Threadripper 3990X) vs 8 (Xeon w9-3575X). PCIe lanes: 88 (Ryzen Threadripper 3990X) vs 112 (Xeon w9-3575X) — the Xeon w9-3575X offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: TRX40 (Ryzen Threadripper 3990X) and W790 (Xeon w9-3575X).

Feature	Ryzen Threadripper 3990X	Xeon w9-3575X
Socket	TR4	LGA4677
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	DDR4-3200	DDR5-4800+50%
Max RAM Capacity	256 GB	4096 GB+1500%
RAM Channels	4	8+100%
ECC Support	Yes	Yes
PCIe Lanes	88	112+27%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Xeon w9-3575X supports AVX-512 instructions — important for machine learning and scientific applications. Both support true virtualization. Direct competitor: Ryzen Threadripper 3990X rivals Core i9-10980XE; Xeon w9-3575X rivals Ryzen Threadripper 7970X.

Feature	Ryzen Threadripper 3990X	Xeon w9-3575X
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	Yes	Yes
AVX-512	No	Yes
Virtualization	true	true

💰

Value Analysis

At launch, the Ryzen Threadripper 3990X was priced at $3990, while the Xeon w9-3575X came in at $3789. On launch pricing ($3990 vs $3789), Xeon w9-3575X was $201 cheaper. In terms of value on MSRP (PassMark points per dollar), the Ryzen Threadripper 3990X delivers 20.0 pts/$ vs 21.8 pts/$ for the Xeon w9-3575X — making the Xeon w9-3575X the 8.4% better value option.

Feature	Ryzen Threadripper 3990X	Xeon w9-3575X
MSRP	$3990	$3789-5%
Performance per Dollar	20.0	21.8+9%
Release Date	2019	2024

Search Ryzen Threadripper 3990X on Amazon

Search Xeon w9-3575X on Amazon

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.