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 9555

2024

Why buy it

✅Better for gaming: +34.4% higher average FPS across 8 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 64 cores / 128 threads, plus 128 PCIe lanes vs 24.
✅Newer platform on SP5 with DDR5 support instead of AM4 and DDR4.
✅433.3% more PCIe lanes (128 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 13.6 vs 108.3 PassMark/$ ($9,826 MSRP vs $199 MSRP).
❌453.8% higher power demand at 360W vs 65W.
❌No boxed cooler included, unlike Ryzen 5 5600.

Ryzen 5 5600

2022

Why buy it

✅Costs $9,627 less on MSRP ($199 MSRP vs $9,826 MSRP).
✅Delivers 698.5% more PassMark for each dollar spent, at 108.3 vs 13.6 PassMark/$ ($199 MSRP vs $9,826 MSRP).
✅Draws 65W instead of 360W, a 295W reduction.
✅Includes a boxed cooler (Wraith Stealth), unlike EPYC 9555.

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 9555 across 8 shared CPU benchmark tests.
❌Lower PassMark (21,550 vs 133,253).
❌Less compelling for workstation-style loads than EPYC 9555, which brings 64 cores / 128 threads and 128 PCIe lanes.
❌Older platform position on AM4 with DDR4, while EPYC 9555 moves to SP5 and DDR5.

EPYC 9555

2024

Ryzen 5 5600

2022

Why buy it

✅Better for gaming: +34.4% higher average FPS across 8 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 64 cores / 128 threads, plus 128 PCIe lanes vs 24.
✅Newer platform on SP5 with DDR5 support instead of AM4 and DDR4.
✅433.3% more PCIe lanes (128 vs 24) for storage and expansion-heavy builds.

Why buy it

✅Costs $9,627 less on MSRP ($199 MSRP vs $9,826 MSRP).
✅Delivers 698.5% more PassMark for each dollar spent, at 108.3 vs 13.6 PassMark/$ ($199 MSRP vs $9,826 MSRP).
✅Draws 65W instead of 360W, a 295W reduction.
✅Includes a boxed cooler (Wraith Stealth), unlike EPYC 9555.

Trade-offs

❌Lower PassMark per dollar, at 13.6 vs 108.3 PassMark/$ ($9,826 MSRP vs $199 MSRP).
❌453.8% higher power demand at 360W vs 65W.
❌No boxed cooler included, unlike Ryzen 5 5600.

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 9555 across 8 shared CPU benchmark tests.
❌Lower PassMark (21,550 vs 133,253).
❌Less compelling for workstation-style loads than EPYC 9555, which brings 64 cores / 128 threads and 128 PCIe lanes.
❌Older platform position on AM4 with DDR4, while EPYC 9555 moves to SP5 and DDR5.

Quick Answers

So, is EPYC 9555 better than Ryzen 5 5600?

Not in a simple one-size-fits-all way. EPYC 9555 makes more sense for workstation-style multi-core throughput, while Ryzen 5 5600 is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

Which one is better for gaming?

If gaming is the priority, EPYC 9555 is the better pick here. According to our tests, it delivers 34.4% more average FPS across 8 shared CPU game tests. It also has a big cache advantage at 256 MB vs 32 MB.

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

For streaming, content creation, and heavier multitasking, EPYC 9555 is the better fit. You are getting 518.3% better PassMark, backed by 64 cores and 128 threads. It also carries the larger cache pool with 700% larger total L3 cache (256 MB vs 32 MB).

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

EPYC 9555 is still the faster CPU overall, but Ryzen 5 5600 makes more sense if price matters more than absolute performance. EPYC 9555 is 4837.7% more expensive on MSRP at $9,826 MSRP versus $199 MSRP, and it gives you a 34.4% average FPS lead across 8 shared CPU game tests in our data. Ryzen 5 5600 is also 698.5% better value on MSRP (108.3 vs 13.6 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

EPYC 9555 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2022), a healthier platform with SP5 and DDR5 instead of AM4, 3D V-Cache and a much larger 256 MB L3 cache instead of 32 MB, and more multi-core headroom with 64 cores / 128 threads instead of 6/12. 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 9555 Benchmark Check

Ryzen 5 5600 Benchmark Check

Path of Exile 2

Preset	EPYC 9555	Ryzen 5 5600
1080p
low	171 FPS	161 FPS
medium	142 FPS	130 FPS
high	122 FPS	112 FPS
ultra	99 FPS	93 FPS
1440p
low	150 FPS	141 FPS
medium	121 FPS	113 FPS
high	99 FPS	95 FPS
ultra	83 FPS	78 FPS
4K
low	84 FPS	79 FPS
medium	73 FPS	69 FPS
high	57 FPS	55 FPS
ultra	47 FPS	44 FPS

Open EPYC 9555 Open Ryzen 5 5600

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 9555	Ryzen 5 5600
1080p
low	655 FPS	508 FPS
medium	566 FPS	419 FPS
high	459 FPS	351 FPS
ultra	397 FPS	310 FPS
1440p
low	546 FPS	447 FPS
medium	483 FPS	375 FPS
high	404 FPS	323 FPS
ultra	328 FPS	277 FPS
4K
low	331 FPS	313 FPS
medium	295 FPS	268 FPS
high	268 FPS	243 FPS
ultra	236 FPS	209 FPS

Open EPYC 9555 Open Ryzen 5 5600

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 9555	Ryzen 5 5600
1080p
low	747 FPS	539 FPS
medium	634 FPS	526 FPS
high	590 FPS	483 FPS
ultra	519 FPS	414 FPS
1440p
low	561 FPS	539 FPS
medium	474 FPS	434 FPS
high	434 FPS	396 FPS
ultra	376 FPS	339 FPS
4K
low	405 FPS	371 FPS
medium	326 FPS	298 FPS
high	288 FPS	255 FPS
ultra	229 FPS	197 FPS

Open EPYC 9555 Open Ryzen 5 5600

League of Legends

League of Legends

Valorant

Preset	EPYC 9555	Ryzen 5 5600
1080p
low	1005 FPS	539 FPS
medium	902 FPS	539 FPS
high	778 FPS	539 FPS
ultra	702 FPS	539 FPS
1440p
low	809 FPS	539 FPS
medium	704 FPS	539 FPS
high	603 FPS	539 FPS
ultra	533 FPS	493 FPS
4K
low	574 FPS	501 FPS
medium	510 FPS	448 FPS
high	447 FPS	398 FPS
ultra	392 FPS	349 FPS

Open EPYC 9555 Open Ryzen 5 5600

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 9555 and Ryzen 5 5600

EPYC 9555

The EPYC 9555 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 64 cores and 128 threads. Base frequency is 3.2 GHz, with boost up to 4.4 GHz. L3 cache: 256 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 360 Watt. Memory support: DDR5. Passmark benchmark score: 133,253 points. Launch price was $9,826.

Ryzen 5 5600

The Ryzen 5 5600 is manufactured by AMD. It was released in 20 April 2022 (3 years ago). It is based on the Vermeer (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 3.5 GHz, with boost up to 4.4 GHz. L3 cache: 32 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 21,550 points. Launch price was $299.

⚡

Processing Power

The EPYC 9555 packs 64 cores / 128 threads, while the Ryzen 5 5600 offers 6 cores / 12 threads — the EPYC 9555 has 58 more cores. Boost clocks reach 4.4 GHz on the EPYC 9555 versus 4.4 GHz on the Ryzen 5 5600 — identical boost frequencies (base: 3.2 GHz vs 3.5 GHz). The EPYC 9555 uses the Turin (2024) architecture (4 nm), while the Ryzen 5 5600 uses Vermeer (2020−2025) (7 nm). In PassMark, the EPYC 9555 scores 133,253 against the Ryzen 5 5600's 21,550 — a 144.3% lead for the EPYC 9555. L3 cache: 256 MB (total) on the EPYC 9555 vs 32 MB (total) on the Ryzen 5 5600.

Feature	EPYC 9555	Ryzen 5 5600
Cores / Threads	64 / 128+967%	6 / 12
Boost Clock	4.4 GHz	4.4 GHz
Base Clock	3.2 GHz	3.5 GHz+9%
L3 Cache	256 MB (total)+700%	32 MB (total)
L2 Cache	1 MB (per core)+100%	512K (per core)
Process	4 nm-43%	7 nm
Architecture	Turin (2024)	Vermeer (2020−2025)
PassMark	133,253+518%	21,550
Cinebench R23 Multi	—	11,077
Geekbench 6 Single	—	2,052
Geekbench 6 Multi	—	8,600

🧠

Memory & Platform

The EPYC 9555 uses the SP5 socket (PCIe 5.0), while the Ryzen 5 5600 uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6000 on the EPYC 9555 versus DDR4-3200 on the Ryzen 5 5600 — the EPYC 9555 supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 5 5600 supports up to 128 GB of RAM compared to 6 TB — 182.1% more capacity for professional workloads. Memory channels: 12 (EPYC 9555) vs 2 (Ryzen 5 5600). PCIe lanes: 128 (EPYC 9555) vs 24 (Ryzen 5 5600) — the EPYC 9555 offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP5 (EPYC 9555) and B550,X570,B450,X470,A520 (Ryzen 5 5600).

Feature	EPYC 9555	Ryzen 5 5600
Socket	SP5	AM4
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-6000+25%	DDR4-3200
Max RAM Capacity	6 TB+4700%	128 GB
RAM Channels	12+500%	2
ECC Support	Yes	Yes
PCIe Lanes	128+433%	24

🔧

Advanced Features

Virtualization support: AMD-V, SEV-SNP (EPYC 9555) vs AMD-V (Ryzen 5 5600). Primary use case: EPYC 9555 targets Data Center, Ryzen 5 5600 targets Desktop. Direct competitor: EPYC 9555 rivals Xeon 6972P.

Feature	EPYC 9555	Ryzen 5 5600
Integrated GPU	No	No
Unlocked	—	Yes
AVX-512	—	No
Virtualization	AMD-V, SEV-SNP	AMD-V
Target Use	Data Center	Desktop

💰

Value Analysis

The EPYC 9555 launched at $9826 MSRP, while the Ryzen 5 5600 debuted at $199. On MSRP ($9826 vs $199), the Ryzen 5 5600 is $9627 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9555 delivers 13.6 pts/$ vs 108.3 pts/$ for the Ryzen 5 5600 — making the Ryzen 5 5600 the 155.5% better value option.