EPYC 9755 vs EPYC 9845

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 9755

2024

Why buy it

✅Better for gaming: +14.8% higher average FPS across 4 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 4 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).

EPYC 9755

2024

EPYC 9845

2024

Why buy it

✅Better for gaming: +14.8% higher average FPS across 4 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).

Why buy it

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

Trade-offs

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

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 9755 across 4 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 overall CPU here. You are getting a 14.8% average FPS lead across 4 shared CPU game tests in our data and 8.7% better PassMark, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, EPYC 9755 is the better pick here. According to our tests, it delivers 14.8% more average FPS across 4 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 better fit. You are getting 8.7% better PassMark, backed by 128 cores and 256 threads. It also carries 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 smarter buy today. EPYC 9755 is $580 cheaper on MSRP at $12,984 MSRP versus $13,564 MSRP, and it gives you a 14.8% average FPS lead across 4 shared CPU game tests in our data. It is also 13.6% better value on MSRP (12.8 vs 11.3 PassMark/$), 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 9845 is the safer long-term CPU choice because it gives you more overall headroom and a better platform outlook.

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 9755 Benchmark Check

EPYC 9845 Benchmark Check

Path of Exile 2

Preset	EPYC 9755	EPYC 9845
1080p
low	170 FPS	192 FPS
medium	141 FPS	156 FPS
high	120 FPS	126 FPS
ultra	95 FPS	98 FPS
1440p
low	148 FPS	158 FPS
medium	119 FPS	124 FPS
high	95 FPS	96 FPS
ultra	76 FPS	77 FPS
4K
low	69 FPS	72 FPS
medium	59 FPS	60 FPS
high	47 FPS	47 FPS
ultra	38 FPS	39 FPS

Open EPYC 9755 Open EPYC 9845

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 9755	EPYC 9845
1080p
low	581 FPS	274 FPS
medium	510 FPS	241 FPS
high	414 FPS	198 FPS
ultra	361 FPS	163 FPS
1440p
low	489 FPS	225 FPS
medium	437 FPS	202 FPS
high	365 FPS	171 FPS
ultra	302 FPS	137 FPS
4K
low	304 FPS	139 FPS
medium	275 FPS	128 FPS
high	247 FPS	115 FPS
ultra	221 FPS	96 FPS

Open EPYC 9755 Open EPYC 9845

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 9755	EPYC 9845
1080p
low	741 FPS	743 FPS
medium	632 FPS	610 FPS
high	574 FPS	556 FPS
ultra	505 FPS	481 FPS
1440p
low	558 FPS	594 FPS
medium	473 FPS	494 FPS
high	423 FPS	450 FPS
ultra	366 FPS	390 FPS
4K
low	403 FPS	430 FPS
medium	324 FPS	335 FPS
high	286 FPS	298 FPS
ultra	229 FPS	240 FPS

Open EPYC 9755 Open EPYC 9845

League of Legends

League of Legends

Valorant

Preset	EPYC 9755	EPYC 9845
1080p
low	915 FPS	958 FPS
medium	830 FPS	869 FPS
high	715 FPS	746 FPS
ultra	632 FPS	646 FPS
1440p
low	726 FPS	739 FPS
medium	633 FPS	646 FPS
high	542 FPS	552 FPS
ultra	469 FPS	473 FPS
4K
low	524 FPS	530 FPS
medium	468 FPS	474 FPS
high	411 FPS	415 FPS
ultra	352 FPS	358 FPS

Open EPYC 9755 Open EPYC 9845

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 9755 and EPYC 9845

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.

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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	—

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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 — 40% 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

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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

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Value Analysis

The EPYC 9755 launched at $12984 MSRP, while the EPYC 9845 debuted at $13564. On MSRP ($12984 vs $13564), the EPYC 9755 is $580 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9755 delivers 12.8 pts/$ vs 11.3 pts/$ for the EPYC 9845 — making the EPYC 9755 the 12.7% better value option.