EPYC 9755 vs EPYC 9845

EPYC 9755 vs EPYC 9845 Performance Spectrum

EPYC 9755

128 / 256

166,328

+8.7%

Ryzen 7 9700X

Ryzen 9 9900X3D

Ryzen 9 9950X3D

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

Ryzen Threadripper 9970X

Ryzen Threadripper PRO 7995WX

Ryzen Threadripper PRO 9995WX

EPYC 9845

160 / 320

152,985

0.0%

Ryzen AI 9 HX 370

Ryzen 9 9850HX

Ryzen Threadripper PRO 9955WX

Ryzen Threadripper 7960X

Ryzen Threadripper 7970X

Ryzen Threadripper 9970X

Ryzen Threadripper 7980X

Ryzen Threadripper PRO 9995WX

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 9755 vs EPYC 9845 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 9755 vs EPYC 9845: Pros, Cons & Final Verdict

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

EPYC 9755

2024

Why buy it

✅Better for gaming: +10.6% higher average FPS across 50 shared CPU benchmark tests.
✅+60% larger total L3 cache (512 MB vs 320 MB).
✅Costs $580 less on MSRP ($12,984 MSRP vs $13,564 MSRP).
✅Delivers 13.6% more PassMark for each dollar spent, at 12.8 vs 11.3 PassMark/$ ($12,984 MSRP vs $13,564 MSRP).

Trade-offs

❌28.2% higher power demand at 500W vs 390W.

EPYC 9845

2024

Why buy it

✅Draws 390W instead of 500W, a 110W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 9755 across 50 shared CPU benchmark tests.
❌Lower PassMark (152,985 vs 166,328).
❌Smaller total L3 cache (320 MB vs 512 MB).
❌Lower PassMark per dollar, at 11.3 vs 12.8 PassMark/$ ($13,564 MSRP vs $12,984 MSRP).

Quick Answers

So, is EPYC 9755 better than EPYC 9845?

Yes. EPYC 9755 is the better all-around CPU here. It gives you a 10.6% average FPS lead across 50 shared CPU game tests in our data and 8.7% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, EPYC 9755 is the better pick. According to our tests, it delivers 10.6% 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 9755 is the stronger fit. You are getting 8.7% better PassMark, backed by 128 cores and 256 threads. It also has the larger cache pool with 60% larger total L3 cache (512 MB vs 320 MB).

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

EPYC 9755 is the better buy right now. EPYC 9755 comes in $580 cheaper on MSRP at $12,984 MSRP versus $13,564 MSRP, and it still gives you a 10.6% average FPS lead across 50 shared CPU game tests in our data. It is also 13.6% better value on MSRP (12.8 vs 11.3 PassMark/$), 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 9845 is the safer long-term CPU choice because it gives you more room to grow and a better platform outlook.

EPYC 9755 vs EPYC 9845 Technical Specifications

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

EPYC 9755

The EPYC 9755 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 128 cores and 256 threads. Base frequency is 2.7 GHz, with boost up to 4.1 GHz. L3 cache: 512 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 500 Watt. Memory support: DDR5. Passmark benchmark score: 166,328 points. Launch price was $12,984.

EPYC 9845

The EPYC 9845 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 160 cores and 320 threads. Base frequency is 2.1 GHz, with boost up to 3.7 GHz. L3 cache: 320 MB (total). L2 cache: 1 MB (per core). Built on 3 nm process technology. Socket: SP5. Thermal design power (TDP): 390 Watt. Memory support: DDR5. Passmark benchmark score: 152,985 points. Launch price was $13,564.

⚡

Processing Power

The EPYC 9755 packs 128 cores / 256 threads, while the EPYC 9845 offers 160 cores / 320 threads — the EPYC 9845 has 32 more cores. Boost clocks reach 4.1 GHz on the EPYC 9755 versus 3.7 GHz on the EPYC 9845 — a 10.3% clock advantage for the EPYC 9755 (base: 2.7 GHz vs 2.1 GHz). Both are built on the Turin (2024) architecture using a 4 nm process. In PassMark, the EPYC 9755 scores 166,328 against the EPYC 9845's 152,985 — a 8.4% lead for the EPYC 9755. L3 cache: 512 MB (total) on the EPYC 9755 vs 320 MB (total) on the EPYC 9845.

Feature	EPYC 9755	EPYC 9845
Cores / Threads	128 / 256	160 / 320+25%
Boost Clock	4.1 GHz+11%	3.7 GHz
Base Clock	2.7 GHz+29%	2.1 GHz
L3 Cache	512 MB (total)+60%	320 MB (total)
L2 Cache	1 MB (per core)	1 MB (per core)
Process	4 nm	3 nm-25%
Architecture	Turin (2024)	Turin (2024)
PassMark	166,328+9%	152,985
Geekbench 6 Single	2,800	—
Geekbench 6 Multi	29,300	—

🧠

Memory & Platform

Both processors use the SP5 socket with PCIe 5.0. Both support up to DDR5-6000 memory speed. The EPYC 9755 supports up to 9 TB of RAM compared to 6 TB — 50% more capacity for professional workloads. Both feature 12-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP5 (EPYC 9755) and SP5 (EPYC 9845).

Feature	EPYC 9755	EPYC 9845
Socket	SP5	SP5
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-6000	DDR5-6000
Max RAM Capacity	9 TB+50%	6 TB
RAM Channels	12	12
ECC Support	Yes	Yes
PCIe Lanes	128	128

🔧

Advanced Features

Both support AMD-V, SEV-SNP virtualization. Primary use case: EPYC 9755 targets Data Center / Cloud Computing, EPYC 9845 targets Data Center / AI Training. Direct competitor: EPYC 9755 rivals Xeon 6980P; EPYC 9845 rivals Xeon 6972P.

Feature	EPYC 9755	EPYC 9845
Integrated GPU	No	No
Virtualization	AMD-V, SEV-SNP	AMD-V, SEV-SNP
Target Use	Data Center / Cloud Computing	Data Center / AI Training

💰

Value Analysis

At launch, the EPYC 9755 was priced at $12984, while the EPYC 9845 came in at $13564. On launch pricing ($12984 vs $13564), EPYC 9755 was $580 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9755 delivers 12.8 pts/$ vs 11.3 pts/$ for the EPYC 9845 — making the EPYC 9755 the 12.7% better value option.

Feature	EPYC 9755	EPYC 9845
MSRP	$12984-4%	$13564
Performance per Dollar	12.8+13%	11.3
Release Date	2024	2024

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