EPYC 8434P vs Xeon w9-3475X

CPU

GPU

EPYC 8434P

48 Cores96 Thrd200 WWMax: 3.1 GHz2023

EPYC family

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Xeon w9-3475X

36 Cores72 Thrd300 WWMax: 4.8 GHz2023

Similar parts

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EPYC 8434P vs Xeon w9-3475X Performance Spectrum

EPYC 8434P

48 / 96

66,490

+2.2%

Ryzen Threadripper 3990X

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

Ryzen Threadripper PRO 7985WX

Xeon w9-3475X

36 / 72

65,077

0.0%

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.

EPYC 8434P 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.

EPYC 8434P 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.

EPYC 8434P

2023

Why buy it

✅+2.2% higher PassMark.
✅+55.2% larger total L3 cache (128 MB vs 83 MB).
✅Costs $2,222 less on MSRP ($1,517 MSRP vs $3,739 MSRP).
✅Delivers 151.8% more PassMark for each dollar spent, at 43.8 vs 17.4 PassMark/$ ($1,517 MSRP vs $3,739 MSRP).
✅Draws 200W instead of 300W, a 100W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon w9-3475X across 50 shared CPU benchmark tests.

Xeon w9-3475X

2023

Why buy it

✅Better for gaming: +17.3% higher average FPS across 50 shared CPU benchmark tests.
✅16.7% more PCIe lanes (112 vs 96) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (65,077 vs 66,490).
❌Smaller total L3 cache (83 MB vs 128 MB).
❌Lower PassMark per dollar, at 17.4 vs 43.8 PassMark/$ ($3,739 MSRP vs $1,517 MSRP).
❌50% higher power demand at 300W vs 200W.

Quick Answers

So, is EPYC 8434P better than Xeon w9-3475X?

It depends on what you want from the system. For gaming, Xeon w9-3475X is ahead with a 17.3% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, EPYC 8434P pulls ahead with 2.2% better PassMark. EPYC 8434P 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, EPYC 8434P is the stronger fit. You are getting 2.2% better PassMark, backed by 48 cores and 96 threads. It also has the larger cache pool with 55.2% larger total L3 cache (128 MB vs 83 MB).

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

EPYC 8434P is the better buy right now. EPYC 8434P comes in $2,222 cheaper on MSRP at $1,517 MSRP versus $3,739 MSRP, and it still gives you 2.2% better PassMark. The compromise is that Xeon w9-3475X is still the better pure gaming CPU with a 17.3% average FPS lead across 50 shared CPU game tests in our data. It is also 151.8% better value on MSRP (43.8 vs 17.4 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

EPYC 8434P makes more sense long term for 2026 and beyond. You are getting 55.2% larger total L3 cache (128 MB vs 83 MB) and more multi-core headroom with 48 cores / 96 threads instead of 36/72. That extra cache should keep paying off in CPU-limited games and high-refresh builds.

EPYC 8434P vs Xeon w9-3475X Technical Specifications

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

EPYC 8434P

The EPYC 8434P is manufactured by AMD. It was released in 18 September 2023 (2 years ago). It is based on the Siena (2023−2024) architecture. It features 48 cores and 96 threads. Base frequency is 2.5 GHz, with boost up to 3.1 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: SP6. Thermal design power (TDP): 200 Watt. Memory support: DDR5. Passmark benchmark score: 66,490 points. Launch price was $2,700.

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 EPYC 8434P packs 48 cores / 96 threads, while the Xeon w9-3475X offers 36 cores / 72 threads — the EPYC 8434P has 12 more cores. Boost clocks reach 3.1 GHz on the EPYC 8434P versus 4.8 GHz on the Xeon w9-3475X — a 43% clock advantage for the Xeon w9-3475X (base: 2.5 GHz vs 2.2 GHz). The EPYC 8434P uses the Siena (2023−2024) architecture (5 nm), while the Xeon w9-3475X uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the EPYC 8434P scores 66,490 against the Xeon w9-3475X's 65,077 — a 2.1% lead for the EPYC 8434P. L3 cache: 128 MB (total) on the EPYC 8434P vs 82.5 MB on the Xeon w9-3475X.

Feature	EPYC 8434P	Xeon w9-3475X
Cores / Threads	48 / 96+33%	36 / 72
Boost Clock	3.1 GHz	4.8 GHz+55%
Base Clock	2.5 GHz+14%	2.2 GHz
L3 Cache	128 MB (total)+55%	82.5 MB
L2 Cache	1 MB (per core)	2 MB (per core)+100%
Process	5 nm-29%	Intel 7 nm
Architecture	Siena (2023−2024)	Sapphire Rapids (2023−2024)
PassMark	66,490+2%	65,077
Geekbench 6 Single	—	1,814
Geekbench 6 Multi	—	44,869

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Memory & Platform

The EPYC 8434P uses the SP6 socket (PCIe 4.0), while the Xeon w9-3475X uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to 4800 memory speed. The Xeon w9-3475X supports up to 4096 GB of RAM compared to 1152 GB — 255.6% more capacity for professional workloads. Memory channels: 6 (EPYC 8434P) vs 8 (Xeon w9-3475X). PCIe lanes: 96 (EPYC 8434P) vs 112 (Xeon w9-3475X) — the Xeon w9-3475X offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP6 (EPYC 8434P) and W790 (Xeon w9-3475X).

Feature	EPYC 8434P	Xeon w9-3475X
Socket	SP6	LGA4677
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	4800	DDR5-4800
Max RAM Capacity	1152 GB	4096 GB+256%
RAM Channels	6	8+33%
ECC Support	Yes	Yes
PCIe Lanes	96	112+17%

🔧

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 (EPYC 8434P) vs true (Xeon w9-3475X). Direct competitor: EPYC 8434P rivals Xeon Platinum 8452Y; Xeon w9-3475X rivals Threadripper PRO 7965WX.

Feature	EPYC 8434P	Xeon w9-3475X
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	Yes
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	true

💰

Value Analysis

At launch, the EPYC 8434P was priced at $1517, while the Xeon w9-3475X came in at $3739. On launch pricing ($1517 vs $3739), EPYC 8434P was $2222 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 8434P delivers 43.8 pts/$ vs 17.4 pts/$ for the Xeon w9-3475X — making the EPYC 8434P the 86.3% better value option.

Feature	EPYC 8434P	Xeon w9-3475X
MSRP	$1517-59%	$3739
Performance per Dollar	43.8+152%	17.4
Release Date	2023	2023

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