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 7551P

2017

Why buy it

✅+11.1% higher PassMark.
✅Better for workstations and heavier parallel workloads: 32 cores / 64 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 4 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 18.1 vs 76.4 PassMark/$ ($2,100 MSRP vs $449 MSRP).
❌50% higher power demand at 180W vs 120W.
❌Older platform position on TR4 with DDR4, while Ryzen 7 7800X3D moves to AM5 and DDR5.
❌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: +93.6% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $1,651 less on MSRP ($449 MSRP vs $2,100 MSRP).
✅Delivers 320.9% more PassMark for each dollar spent, at 76.4 vs 18.1 PassMark/$ ($449 MSRP vs $2,100 MSRP).
✅Draws 120W instead of 180W, a 60W reduction.
✅Newer platform on AM5 with DDR5 support instead of TR4 and DDR4.

Trade-offs

❌Lower PassMark (34,293 vs 38,111).
❌Less compelling for workstation-style loads than EPYC 7551P, which brings 32 cores / 64 threads and 128 PCIe lanes.

EPYC 7551P

2017

Ryzen 7 7800X3D

2023

Why buy it

✅+11.1% higher PassMark.
✅Better for workstations and heavier parallel workloads: 32 cores / 64 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: +93.6% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $1,651 less on MSRP ($449 MSRP vs $2,100 MSRP).
✅Delivers 320.9% more PassMark for each dollar spent, at 76.4 vs 18.1 PassMark/$ ($449 MSRP vs $2,100 MSRP).
✅Draws 120W instead of 180W, a 60W reduction.
✅Newer platform on AM5 with DDR5 support instead of TR4 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 4 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 18.1 vs 76.4 PassMark/$ ($2,100 MSRP vs $449 MSRP).
❌50% higher power demand at 180W vs 120W.
❌Older platform position on TR4 with DDR4, while Ryzen 7 7800X3D moves to AM5 and DDR5.
❌No integrated graphics, while Ryzen 7 7800X3D can still boot and troubleshoot without a discrete GPU.

Trade-offs

❌Lower PassMark (34,293 vs 38,111).
❌Less compelling for workstation-style loads than EPYC 7551P, which brings 32 cores / 64 threads and 128 PCIe lanes.

Quick Answers

So, is Ryzen 7 7800X3D better than EPYC 7551P?

Not in a simple one-size-fits-all way. EPYC 7551P 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 7551P is the better fit. You are getting 11.1% better PassMark, backed by 32 cores and 64 threads.

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

Ryzen 7 7800X3D is the smarter buy today. Ryzen 7 7800X3D is $1,651 cheaper on MSRP at $449 MSRP versus $2,100 MSRP, and it gives you a 93.6% average FPS lead across 4 shared CPU game tests in our data. The trade-off is that EPYC 7551P is still stronger for heavier multi-core work with 11.1% better PassMark. It is also 320.9% better value on MSRP (76.4 vs 18.1 PassMark/$), 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?

Ryzen 7 7800X3D is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2017), a healthier platform with AM5 and DDR5 instead of TR4, and 3D V-Cache and a much larger 96 MB L3 cache instead of 64 MB. 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 7551P Benchmark Check

Ryzen 7 7800X3D Benchmark Check

Path of Exile 2

Preset	EPYC 7551P	Ryzen 7 7800X3D
1080p
low	187 FPS	266 FPS
medium	165 FPS	247 FPS
high	132 FPS	211 FPS
ultra	105 FPS	186 FPS
1440p
low	153 FPS	258 FPS
medium	127 FPS	215 FPS
high	97 FPS	171 FPS
ultra	78 FPS	154 FPS
4K
low	71 FPS	179 FPS
medium	63 FPS	149 FPS
high	48 FPS	112 FPS
ultra	39 FPS	100 FPS

Open EPYC 7551P Open Ryzen 7 7800X3D

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 7551P	Ryzen 7 7800X3D
1080p
low	207 FPS	857 FPS
medium	188 FPS	735 FPS
high	160 FPS	579 FPS
ultra	131 FPS	491 FPS
1440p
low	178 FPS	715 FPS
medium	163 FPS	607 FPS
high	141 FPS	497 FPS
ultra	111 FPS	396 FPS
4K
low	112 FPS	393 FPS
medium	103 FPS	337 FPS
high	92 FPS	314 FPS
ultra	75 FPS	271 FPS

Open EPYC 7551P Open Ryzen 7 7800X3D

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 7551P	Ryzen 7 7800X3D
1080p
low	620 FPS	857 FPS
medium	518 FPS	857 FPS
high	466 FPS	857 FPS
ultra	399 FPS	857 FPS
1440p
low	517 FPS	857 FPS
medium	432 FPS	851 FPS
high	378 FPS	786 FPS
ultra	325 FPS	656 FPS
4K
low	383 FPS	558 FPS
medium	308 FPS	479 FPS
high	270 FPS	427 FPS
ultra	220 FPS	362 FPS

Open EPYC 7551P Open Ryzen 7 7800X3D

League of Legends

League of Legends

Valorant

Preset	EPYC 7551P	Ryzen 7 7800X3D
1080p
low	834 FPS	857 FPS
medium	758 FPS	857 FPS
high	651 FPS	857 FPS
ultra	561 FPS	782 FPS
1440p
low	667 FPS	857 FPS
medium	584 FPS	760 FPS
high	500 FPS	669 FPS
ultra	420 FPS	576 FPS
4K
low	475 FPS	618 FPS
medium	427 FPS	556 FPS
high	375 FPS	495 FPS
ultra	320 FPS	428 FPS

Open EPYC 7551P Open Ryzen 7 7800X3D

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 7551P and Ryzen 7 7800X3D

EPYC 7551P

The EPYC 7551P is manufactured by AMD. It was released in 29 June 2017 (8 years ago). It is based on the Naples (2017−2018) architecture. It features 32 cores and 64 threads. Base frequency is 2 GHz, with boost up to 3 GHz. L3 cache: 64 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: TR4. Thermal design power (TDP): 180 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 38,111 points. Launch price was $2,100.

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 7551P packs 32 cores / 64 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the EPYC 7551P has 24 more cores. Boost clocks reach 3 GHz on the EPYC 7551P versus 5 GHz on the Ryzen 7 7800X3D — a 50% clock advantage for the Ryzen 7 7800X3D (base: 2 GHz vs 4.4 GHz). The EPYC 7551P uses the Naples (2017−2018) architecture (14 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the EPYC 7551P scores 38,111 against the Ryzen 7 7800X3D's 34,293 — a 10.5% lead for the EPYC 7551P. L3 cache: 64 MB (total) on the EPYC 7551P vs 96 MB (total) on the Ryzen 7 7800X3D.

Feature	EPYC 7551P	Ryzen 7 7800X3D
Cores / Threads	32 / 64+300%	8 / 16
Boost Clock	3 GHz	5 GHz+67%
Base Clock	2 GHz	4.4 GHz+120%
L3 Cache	64 MB (total)	96 MB (total)+50%
L2 Cache	512K (per core)	1 MB (per core)+100%
Process	14 nm	5 nm-64%
Architecture	Naples (2017−2018)	Raphael (Zen4) (2022−2023)
PassMark	38,111+11%	34,293
Cinebench R23 Multi	—	18,500
Geekbench 6 Single	—	2,700
Geekbench 6 Multi	—	15,000

🧠

Memory & Platform

The EPYC 7551P uses the TR4 socket (PCIe 4.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 2666 on the EPYC 7551P versus DDR5-5200 on the Ryzen 7 7800X3D — the EPYC 7551P supports 199.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7551P supports up to 2048 of RAM compared to 128 GB — 176.5% more capacity for professional workloads. Memory channels: 8 (EPYC 7551P) vs 2 (Ryzen 7 7800X3D). PCIe lanes: 128 (EPYC 7551P) vs 28 (Ryzen 7 7800X3D) — the EPYC 7551P offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7551P) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).

Feature	EPYC 7551P	Ryzen 7 7800X3D
Socket	TR4	AM5
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	2666+53220%	DDR5-5200
Max RAM Capacity	2048	128 GB+6553500%
RAM Channels	8+300%	2
ECC Support	Yes	Yes
PCIe Lanes	128+357%	28

🔧

Advanced Features

Only the Ryzen 7 7800X3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: AMD-V, IOMMU (EPYC 7551P) vs AMD-V (Ryzen 7 7800X3D). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the EPYC 7551P requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: EPYC 7551P rivals Xeon Platinum 8160; Ryzen 7 7800X3D rivals Intel Core i7-14700K.

Feature	EPYC 7551P	Ryzen 7 7800X3D
Integrated GPU	No	Yes
IGPU Model	None	AMD Radeon Graphics (2-core)
Unlocked	No	Yes
AVX-512	Yes	Yes
Virtualization	AMD-V, IOMMU	AMD-V
Target Use	—	Gaming

💰

Value Analysis

The EPYC 7551P launched at $2100 MSRP, while the Ryzen 7 7800X3D debuted at $449. On MSRP ($2100 vs $449), the Ryzen 7 7800X3D is $1651 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7551P delivers 18.1 pts/$ vs 76.4 pts/$ for the Ryzen 7 7800X3D — making the Ryzen 7 7800X3D the 123.2% better value option.