Xeon 6520P vs Xeon w9-3475X

CPU

GPU

Xeon 6520P

24 Cores48 Thrd210 WWMax: 4 GHz2025

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Xeon w9-3475X

36 Cores72 Thrd300 WWMax: 4.8 GHz2023

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Xeon 6520P vs Xeon w9-3475X Performance Spectrum

Xeon 6520P

24 / 48

64,010

0.0%

65,077

+1.7%

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.

Xeon 6520P vs Xeon w9-3475X 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.

Xeon 6520P vs Xeon w9-3475X: Pros, Cons & Final Verdict

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

Xeon 6520P

2025

Why buy it

✅+74.5% larger total L3 cache (144 MB vs 83 MB).
✅Costs $2,444 less on MSRP ($1,295 MSRP vs $3,739 MSRP).
✅Delivers 184.0% more PassMark for each dollar spent, at 49.4 vs 17.4 PassMark/$ ($1,295 MSRP vs $3,739 MSRP).
✅Draws 210W instead of 300W, a 90W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon w9-3475X across 50 shared CPU benchmark tests.
❌Lower Geekbench multi-core (25,000 vs 44,869).

Xeon w9-3475X

2023

Why buy it

✅Better for gaming: +15.7% higher average FPS across 50 shared CPU benchmark tests.
✅27.3% more PCIe lanes (112 vs 88) for storage and expansion-heavy builds.

Trade-offs

❌Smaller total L3 cache (83 MB vs 144 MB).
❌Lower PassMark per dollar, at 17.4 vs 49.4 PassMark/$ ($3,739 MSRP vs $1,295 MSRP).
❌42.9% higher power demand at 300W vs 210W.

Quick Answers

So, is Xeon w9-3475X better than Xeon 6520P?

Yes. Xeon w9-3475X is the better all-around CPU here. It gives you a 15.7% average FPS lead across 50 shared CPU game tests in our data, 79.5% better Geekbench multi-core, and 1.7% higher PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon w9-3475X is the better pick. According to our tests, it delivers 15.7% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Xeon w9-3475X is the stronger fit. You are getting 79.5% better Geekbench multi-core, backed by 36 cores and 72 threads.

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

Xeon w9-3475X is still the faster CPU overall, but Xeon 6520P is easier to justify if budget matters more than peak performance. Xeon w9-3475X comes in 188.7% more expensive on MSRP at $3,739 MSRP versus $1,295 MSRP, and it still gives you a 15.7% average FPS lead across 50 shared CPU game tests in our data. Xeon 6520P is also 184.0% better value on MSRP (49.4 vs 17.4 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Xeon 6520P makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2023) and 74.5% larger total L3 cache (144 MB vs 83 MB). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Xeon 6520P vs Xeon w9-3475X Technical Specifications

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

Xeon 6520P

The Xeon 6520P is manufactured by Intel. It was released in 24 February 2025 (less than a year ago). It is based on the Granite Rapids (2024−2025) architecture. It features 24 cores and 48 threads. Base frequency is 2.4 GHz, with boost up to 4 GHz. L3 cache: 144 MB (total). L2 cache: 2 MB (per core). Built on Intel 3 nm process technology. Socket: LGA4710. Thermal design power (TDP): 210 Watt. Memory support: DDR5(6400MT/s). Passmark benchmark score: 64,010 points. Launch price was $1,295.

Xeon w9-3475X

The Xeon w9-3475X is manufactured by Intel. It was released in 15 February 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 36 cores and 72 threads. Base frequency is 2.2 GHz, with boost up to 4.8 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): 300 Watt. Memory support: DDR5-4800. Passmark benchmark score: 65,077 points. Launch price was $3,739.

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Processing Power

The Xeon 6520P packs 24 cores / 48 threads, while the Xeon w9-3475X offers 36 cores / 72 threads — the Xeon w9-3475X has 12 more cores. Boost clocks reach 4 GHz on the Xeon 6520P versus 4.8 GHz on the Xeon w9-3475X — a 18.2% clock advantage for the Xeon w9-3475X (base: 2.4 GHz vs 2.2 GHz). The Xeon 6520P uses the Granite Rapids (2024−2025) architecture (Intel 3 nm), while the Xeon w9-3475X uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Xeon 6520P scores 64,010 against the Xeon w9-3475X's 65,077 — a 1.7% lead for the Xeon w9-3475X. Geekbench 6 single-core — the metric most relevant to gaming — records 1,900 vs 1,814, a 4.6% lead for the Xeon 6520P that directly translates to higher frame rates. Multi-core Geekbench: 25,000 vs 44,869 (56.9% advantage for the Xeon w9-3475X). L3 cache: 144 MB (total) on the Xeon 6520P vs 82.5 MB on the Xeon w9-3475X.

Feature	Xeon 6520P	Xeon w9-3475X
Cores / Threads	24 / 48	36 / 72+50%
Boost Clock	4 GHz	4.8 GHz+20%
Base Clock	2.4 GHz+9%	2.2 GHz
L3 Cache	144 MB (total)+75%	82.5 MB
L2 Cache	2 MB (per core)	2 MB (per core)
Process	Intel 3 nm-57%	Intel 7 nm
Architecture	Granite Rapids (2024−2025)	Sapphire Rapids (2023−2024)
PassMark	64,010	65,077+2%
Geekbench 6 Single	1,900+5%	1,814
Geekbench 6 Multi	25,000	44,869+79%

🧠

Memory & Platform

The Xeon 6520P uses the LGA4710 socket (PCIe 5.0), while the Xeon w9-3475X uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Xeon 6520P versus DDR5-4800 on the Xeon w9-3475X — the Xeon 6520P supports 33.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4 TB of RAM. Both feature 8-channel memory with ECC support. PCIe lanes: 88 (Xeon 6520P) vs 112 (Xeon w9-3475X) — the Xeon w9-3475X offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FCLGA4710 (Xeon 6520P) and W790 (Xeon w9-3475X).

Feature	Xeon 6520P	Xeon w9-3475X
Socket	LGA4710	LGA4677
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-6400+33%	DDR5-4800
Max RAM Capacity	4 TB	4096 GB
RAM Channels	8	8
ECC Support	Yes	Yes
PCIe Lanes	88	112+27%

🔧

Advanced Features

Only the Xeon w9-3475X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Xeon 6520P) vs true (Xeon w9-3475X). Primary use case: Xeon 6520P targets Server. Direct competitor: Xeon 6520P rivals EPYC 9254; Xeon w9-3475X rivals Threadripper PRO 7965WX.

Feature	Xeon 6520P	Xeon w9-3475X
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	Yes
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	true
Target Use	Server	—

💰

Value Analysis

At launch, the Xeon 6520P was priced at $1295, while the Xeon w9-3475X came in at $3739. On launch pricing ($1295 vs $3739), Xeon 6520P was $2444 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon 6520P delivers 49.4 pts/$ vs 17.4 pts/$ for the Xeon w9-3475X — making the Xeon 6520P the 95.8% better value option.

Feature	Xeon 6520P	Xeon w9-3475X
MSRP	$1295-65%	$3739
Performance per Dollar	49.4+184%	17.4
Release Date	2025	2023

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