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

✅+288.6% higher PassMark.
✅+166.7% larger total L3 cache (256 MB vs 96 MB).
✅Better for workstations and heavier parallel workloads: 64 cores / 128 threads, plus 128 PCIe lanes vs 28.
✅357.1% more PCIe lanes (128 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 6 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 13.6 vs 76.4 PassMark/$ ($9,826 MSRP vs $449 MSRP).
❌200% higher power demand at 360W vs 120W.
❌No integrated graphics, while Ryzen 7 7800X3D can still boot and troubleshoot without a discrete GPU.

Ryzen 7 7800X3D

2023

Why buy it

✅Better for gaming: +28.2% higher average FPS across 6 shared CPU benchmark tests.
✅Costs $9,377 less on MSRP ($449 MSRP vs $9,826 MSRP).
✅Delivers 463.2% more PassMark for each dollar spent, at 76.4 vs 13.6 PassMark/$ ($449 MSRP vs $9,826 MSRP).
✅Draws 120W instead of 360W, a 240W reduction.
✅Integrated graphics onboard with AMD Radeon Graphics (2-core), while EPYC 9555 needs a discrete GPU.

Trade-offs

❌Lower PassMark (34,293 vs 133,253).
❌Smaller total L3 cache (96 MB vs 256 MB).
❌Less compelling for workstation-style loads than EPYC 9555, which brings 64 cores / 128 threads and 128 PCIe lanes.

EPYC 9555

2024

Ryzen 7 7800X3D

2023

Why buy it

✅+288.6% higher PassMark.
✅+166.7% larger total L3 cache (256 MB vs 96 MB).
✅Better for workstations and heavier parallel workloads: 64 cores / 128 threads, plus 128 PCIe lanes vs 28.
✅357.1% more PCIe lanes (128 vs 28) for storage and expansion-heavy builds.

Why buy it

✅Better for gaming: +28.2% higher average FPS across 6 shared CPU benchmark tests.
✅Costs $9,377 less on MSRP ($449 MSRP vs $9,826 MSRP).
✅Delivers 463.2% more PassMark for each dollar spent, at 76.4 vs 13.6 PassMark/$ ($449 MSRP vs $9,826 MSRP).
✅Draws 120W instead of 360W, a 240W reduction.
✅Integrated graphics onboard with AMD Radeon Graphics (2-core), while EPYC 9555 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 6 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 13.6 vs 76.4 PassMark/$ ($9,826 MSRP vs $449 MSRP).
❌200% higher power demand at 360W vs 120W.
❌No integrated graphics, while Ryzen 7 7800X3D can still boot and troubleshoot without a discrete GPU.

Trade-offs

❌Lower PassMark (34,293 vs 133,253).
❌Smaller total L3 cache (96 MB vs 256 MB).
❌Less compelling for workstation-style loads than EPYC 9555, which brings 64 cores / 128 threads and 128 PCIe lanes.

Quick Answers

So, is EPYC 9555 better than Ryzen 7 7800X3D?

Not in a simple one-size-fits-all way. EPYC 9555 makes more sense for workstation-style multi-core throughput, while Ryzen 7 7800X3D is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

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 288.6% better PassMark, backed by 64 cores and 128 threads. It also carries the larger cache pool with 166.7% larger total L3 cache (256 MB vs 96 MB).

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

EPYC 9555 is still the faster CPU overall, but Ryzen 7 7800X3D makes more sense if price matters more than absolute performance. EPYC 9555 is 2088.4% more expensive on MSRP at $9,826 MSRP versus $449 MSRP, and it gives you 288.6% better PassMark. The trade-off is that Ryzen 7 7800X3D is still the better pure gaming CPU with a 28.2% average FPS lead across 6 shared CPU game tests in our data. Ryzen 7 7800X3D is also 463.2% better value on MSRP (76.4 vs 13.6 PassMark/$), 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 2023), 166.7% larger total L3 cache (256 MB vs 96 MB), and more multi-core headroom with 64 cores / 128 threads instead of 8/16. That extra cache should hold up really well in CPU-limited games and high-refresh builds.

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 7 7800X3D Benchmark Check

Path of Exile 2

Preset	EPYC 9555	Ryzen 7 7800X3D
1080p
low	171 FPS	266 FPS
medium	142 FPS	247 FPS
high	122 FPS	211 FPS
ultra	99 FPS	186 FPS
1440p
low	150 FPS	258 FPS
medium	121 FPS	215 FPS
high	99 FPS	171 FPS
ultra	83 FPS	154 FPS
4K
low	84 FPS	179 FPS
medium	73 FPS	149 FPS
high	57 FPS	112 FPS
ultra	47 FPS	100 FPS

Open EPYC 9555 Open Ryzen 7 7800X3D

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 9555	Ryzen 7 7800X3D
1080p
low	655 FPS	857 FPS
medium	566 FPS	737 FPS
high	459 FPS	580 FPS
ultra	397 FPS	493 FPS
1440p
low	546 FPS	722 FPS
medium	483 FPS	611 FPS
high	404 FPS	500 FPS
ultra	328 FPS	398 FPS
4K
low	331 FPS	396 FPS
medium	295 FPS	339 FPS
high	268 FPS	315 FPS
ultra	236 FPS	273 FPS

Open EPYC 9555 Open Ryzen 7 7800X3D

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 9555	Ryzen 7 7800X3D
1080p
low	747 FPS	857 FPS
medium	634 FPS	857 FPS
high	590 FPS	857 FPS
ultra	519 FPS	857 FPS
1440p
low	561 FPS	857 FPS
medium	474 FPS	851 FPS
high	434 FPS	786 FPS
ultra	376 FPS	656 FPS
4K
low	405 FPS	558 FPS
medium	326 FPS	479 FPS
high	288 FPS	427 FPS
ultra	229 FPS	362 FPS

Open EPYC 9555 Open Ryzen 7 7800X3D

League of Legends

League of Legends

Valorant

Preset	EPYC 9555	Ryzen 7 7800X3D
1080p
low	1005 FPS	857 FPS
medium	902 FPS	857 FPS
high	778 FPS	857 FPS
ultra	702 FPS	782 FPS
1440p
low	809 FPS	857 FPS
medium	704 FPS	760 FPS
high	603 FPS	669 FPS
ultra	533 FPS	576 FPS
4K
low	574 FPS	618 FPS
medium	510 FPS	556 FPS
high	447 FPS	495 FPS
ultra	392 FPS	428 FPS

Open EPYC 9555 Open Ryzen 7 7800X3D

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 9555 and Ryzen 7 7800X3D

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 7 7800X3D

The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.

⚡

Processing Power

The EPYC 9555 packs 64 cores / 128 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the EPYC 9555 has 56 more cores. Boost clocks reach 4.4 GHz on the EPYC 9555 versus 5 GHz on the Ryzen 7 7800X3D — a 12.8% clock advantage for the Ryzen 7 7800X3D (base: 3.2 GHz vs 4.4 GHz). The EPYC 9555 uses the Turin (2024) architecture (4 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the EPYC 9555 scores 133,253 against the Ryzen 7 7800X3D's 34,293 — a 118.1% lead for the EPYC 9555. L3 cache: 256 MB (total) on the EPYC 9555 vs 96 MB (total) on the Ryzen 7 7800X3D.

Feature	EPYC 9555	Ryzen 7 7800X3D
Cores / Threads	64 / 128+700%	8 / 16
Boost Clock	4.4 GHz	5 GHz+14%
Base Clock	3.2 GHz	4.4 GHz+38%
L3 Cache	256 MB (total)+167%	96 MB (total)
L2 Cache	1 MB (per core)	1 MB (per core)
Process	4 nm-20%	5 nm
Architecture	Turin (2024)	Raphael (Zen4) (2022−2023)
PassMark	133,253+289%	34,293
Cinebench R23 Multi	—	18,500
Geekbench 6 Single	—	2,700
Geekbench 6 Multi	—	15,000

🧠

Memory & Platform

The EPYC 9555 uses the SP5 socket (PCIe 5.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-6000 memory speed. The Ryzen 7 7800X3D 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 7 7800X3D). PCIe lanes: 128 (EPYC 9555) vs 28 (Ryzen 7 7800X3D) — the EPYC 9555 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP5 (EPYC 9555) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).

Feature	EPYC 9555	Ryzen 7 7800X3D
Socket	SP5	AM5
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-6000	DDR5-5200
Max RAM Capacity	6 TB+4700%	128 GB
RAM Channels	12+500%	2
ECC Support	Yes	Yes
PCIe Lanes	128+357%	28

🔧

Advanced Features

Virtualization support: AMD-V, SEV-SNP (EPYC 9555) vs AMD-V (Ryzen 7 7800X3D). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the EPYC 9555 requires a dedicated GPU. Primary use case: EPYC 9555 targets Data Center, Ryzen 7 7800X3D targets Gaming. Direct competitor: EPYC 9555 rivals Xeon 6972P; Ryzen 7 7800X3D rivals Intel Core i7-14700K.

Feature	EPYC 9555	Ryzen 7 7800X3D
Integrated GPU	No	Yes
IGPU Model	—	AMD Radeon Graphics (2-core)
Unlocked	—	Yes
AVX-512	—	Yes
Virtualization	AMD-V, SEV-SNP	AMD-V
Target Use	Data Center	Gaming

💰

Value Analysis

The EPYC 9555 launched at $9826 MSRP, while the Ryzen 7 7800X3D debuted at $449. On MSRP ($9826 vs $449), the Ryzen 7 7800X3D is $9377 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9555 delivers 13.6 pts/$ vs 76.4 pts/$ for the Ryzen 7 7800X3D — making the Ryzen 7 7800X3D the 139.7% better value option.