EPYC 9135 vs Xeon Gold 6423N

CPU

GPU

EPYC 9135

16 Cores32 Thrd200 WWMax: 4.3 GHz2024

Popular choices:

•••••••••

Xeon Gold 6423N

28 Cores56 Thrd195 WWMax: 3.6 GHz2023

Popular choices:

•••••••••

Performance Spectrum - CPU

EPYC 9135

16 / 32

57,808

+0.7%

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

Ryzen Threadripper 7970X

Ryzen Threadripper PRO 7985WX

Xeon Gold 6423N

28 / 56

57,434

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.

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.

EPYC 9135

2024

Why buy it

✅Better for gaming: +8.9% higher average FPS across 50 shared CPU benchmark tests.
✅+21.9% larger total L3 cache (64 MB vs 53 MB).
✅Costs $947 less on MSRP ($1,214 MSRP vs $2,161 MSRP).
✅Delivers 79.2% more PassMark for each dollar spent, at 47.6 vs 26.6 PassMark/$ ($1,214 MSRP vs $2,161 MSRP).
✅60% more PCIe lanes (128 vs 80) for storage and expansion-heavy builds.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Xeon Gold 6423N

2023

Why buy it

✅Draws 195W instead of 200W, a 5W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 9135 across 50 shared CPU benchmark tests.
❌Lower PassMark (57,434 vs 57,808).
❌Smaller total L3 cache (53 MB vs 64 MB).
❌Lower PassMark per dollar, at 26.6 vs 47.6 PassMark/$ ($2,161 MSRP vs $1,214 MSRP).

EPYC 9135

2024

Xeon Gold 6423N

2023

Why buy it

✅Better for gaming: +8.9% higher average FPS across 50 shared CPU benchmark tests.
✅+21.9% larger total L3 cache (64 MB vs 53 MB).
✅Costs $947 less on MSRP ($1,214 MSRP vs $2,161 MSRP).
✅Delivers 79.2% more PassMark for each dollar spent, at 47.6 vs 26.6 PassMark/$ ($1,214 MSRP vs $2,161 MSRP).
✅60% more PCIe lanes (128 vs 80) for storage and expansion-heavy builds.

Why buy it

✅Draws 195W instead of 200W, a 5W reduction.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 9135 across 50 shared CPU benchmark tests.
❌Lower PassMark (57,434 vs 57,808).
❌Smaller total L3 cache (53 MB vs 64 MB).
❌Lower PassMark per dollar, at 26.6 vs 47.6 PassMark/$ ($2,161 MSRP vs $1,214 MSRP).

Quick Answers

So, is EPYC 9135 better than Xeon Gold 6423N?

Yes. EPYC 9135 is the better overall CPU here. You are getting a 8.9% average FPS lead across 50 shared CPU game tests in our data, 0.7% better 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, EPYC 9135 is the better pick here. According to our tests, it delivers 8.9% 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, EPYC 9135 is the better fit. You are getting 0.7% better PassMark, backed by 16 cores and 32 threads. It also carries the larger cache pool with 21.9% larger total L3 cache (64 MB vs 53 MB).

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

EPYC 9135 is the smarter buy today. EPYC 9135 is $947 cheaper on MSRP at $1,214 MSRP versus $2,161 MSRP, and it gives you a 8.9% average FPS lead across 50 shared CPU game tests in our data. It is also 79.2% better value on MSRP (47.6 vs 26.6 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.

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

EPYC 9135 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2023), 21.9% larger total L3 cache (64 MB vs 53 MB), and more multi-core headroom with 16 cores / 32 threads instead of 28/56. 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.

EPYC 9135 Benchmark Check

Xeon Gold 6423N Benchmark Check

Path of Exile 2

Preset	EPYC 9135	Xeon Gold 6423N
1080p
low	172 FPS	194 FPS
medium	139 FPS	157 FPS
high	119 FPS	127 FPS
ultra	96 FPS	100 FPS
1440p
low	152 FPS	157 FPS
medium	120 FPS	123 FPS
high	99 FPS	96 FPS
ultra	81 FPS	76 FPS
4K
low	81 FPS	72 FPS
medium	69 FPS	60 FPS
high	55 FPS	47 FPS
ultra	45 FPS	38 FPS

Open EPYC 9135 Open Xeon Gold 6423N

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 9135	Xeon Gold 6423N
1080p
low	496 FPS	237 FPS
medium	439 FPS	211 FPS
high	341 FPS	175 FPS
ultra	293 FPS	142 FPS
1440p
low	427 FPS	199 FPS
medium	382 FPS	181 FPS
high	309 FPS	155 FPS
ultra	248 FPS	120 FPS
4K
low	267 FPS	124 FPS
medium	242 FPS	115 FPS
high	211 FPS	101 FPS
ultra	183 FPS	82 FPS

Open EPYC 9135 Open Xeon Gold 6423N

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 9135	Xeon Gold 6423N
1080p
low	729 FPS	945 FPS
medium	607 FPS	827 FPS
high	552 FPS	782 FPS
ultra	489 FPS	693 FPS
1440p
low	559 FPS	748 FPS
medium	463 FPS	645 FPS
high	415 FPS	610 FPS
ultra	362 FPS	541 FPS
4K
low	407 FPS	480 FPS
medium	325 FPS	379 FPS
high	287 FPS	337 FPS
ultra	232 FPS	275 FPS

Open EPYC 9135 Open Xeon Gold 6423N

League of Legends

League of Legends

Valorant

Preset	EPYC 9135	Xeon Gold 6423N
1080p
low	929 FPS	924 FPS
medium	846 FPS	835 FPS
high	732 FPS	719 FPS
ultra	660 FPS	621 FPS
1440p
low	735 FPS	713 FPS
medium	652 FPS	628 FPS
high	561 FPS	538 FPS
ultra	493 FPS	460 FPS
4K
low	524 FPS	515 FPS
medium	475 FPS	461 FPS
high	417 FPS	404 FPS
ultra	365 FPS	349 FPS

Open EPYC 9135 Open Xeon Gold 6423N

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 9135 and Xeon Gold 6423N

EPYC 9135

The EPYC 9135 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 16 cores and 32 threads. Base frequency is 3.65 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 200 Watt. Memory support: DDR5. Passmark benchmark score: 57,808 points. Launch price was $1,214.

Xeon Gold 6423N

The Xeon Gold 6423N is manufactured by Intel. It was released in 2023-07-01. It features 28 cores and 56 threads. Base frequency is 2 GHz, with boost up to 3.6 GHz. L3 cache: 52.5 MB. Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 195 Watt. Memory support: DDR5-4400. Passmark benchmark score: 57,434 points. Launch price was $2,161.

⚡

Processing Power

The EPYC 9135 packs 16 cores / 32 threads, while the Xeon Gold 6423N offers 28 cores / 56 threads — the Xeon Gold 6423N has 12 more cores. Boost clocks reach 4.3 GHz on the EPYC 9135 versus 3.6 GHz on the Xeon Gold 6423N — a 17.7% clock advantage for the EPYC 9135 (base: 3.65 GHz vs 2 GHz). The EPYC 9135 is built on the Turin (2024) architecture. In PassMark, the EPYC 9135 scores 57,808 against the Xeon Gold 6423N's 57,434 — a 0.6% lead for the EPYC 9135. L3 cache: 64 MB (total) on the EPYC 9135 vs 52.5 MB on the Xeon Gold 6423N.

Feature	EPYC 9135	Xeon Gold 6423N
Cores / Threads	16 / 32	28 / 56+75%
Boost Clock	4.3 GHz+19%	3.6 GHz
Base Clock	3.65 GHz+83%	2 GHz
L3 Cache	64 MB (total)+22%	52.5 MB
L2 Cache	1 MB (per core)	—
Process	4 nm-43%	Intel 7 nm
Architecture	Turin (2024)	—
PassMark	57,808	57,434

🧠

Memory & Platform

The EPYC 9135 uses the SP5 socket (PCIe 5.0), while the Xeon Gold 6423N uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 6000 on the EPYC 9135 versus 4800 on the Xeon Gold 6423N — the EPYC 9135 supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9135 supports up to 6144 of RAM compared to 4096 — 40% more capacity for professional workloads. Memory channels: 12 (EPYC 9135) vs 8 (Xeon Gold 6423N). PCIe lanes: 128 (EPYC 9135) vs 80 (Xeon Gold 6423N) — the EPYC 9135 offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP5 (EPYC 9135) and C741 (Xeon Gold 6423N).

Feature	EPYC 9135	Xeon Gold 6423N
Socket	SP5	LGA4677
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	6000+25%	4800
Max RAM Capacity	6144+50%	4096
RAM Channels	12+50%	8
ECC Support	Yes	Yes
PCIe Lanes	128+60%	80

🔧

Advanced Features

Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d virtualization. Direct competitor: EPYC 9135 rivals Xeon Platinum 8558P; Xeon Gold 6423N rivals EPYC 9354.

Feature	EPYC 9135	Xeon Gold 6423N
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	No
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d

💰

Value Analysis

The EPYC 9135 launched at $1214 MSRP, while the Xeon Gold 6423N debuted at $2161. On MSRP ($1214 vs $2161), the EPYC 9135 is $947 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9135 delivers 47.6 pts/$ vs 26.6 pts/$ for the Xeon Gold 6423N — making the EPYC 9135 the 56.7% better value option.