EPYC 7551P vs Ryzen 7 9700X

AMD

EPYC 7551P

32 Cores64 Thrd180 WWMax: 3 GHz2017

Popular choices:

VS
AMD

Ryzen 7 9700X

8 Cores16 Thrd65 WWMax: 5.5 GHz2024

Popular choices:

Performance Spectrum - CPU

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.

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

  • +2.6% higher PassMark.
  • +100% larger total L3 cache (64 MB vs 32 MB).
  • Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 128 PCIe lanes vs 24.
  • 433.3% more PCIe lanes (128 vs 24) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 7 9700X across 43 shared CPU benchmark tests.
  • Lower PassMark per dollar, at 18.1 vs 103.5 PassMark/$ ($2,100 MSRP vs $359 MSRP).
  • 176.9% higher power demand at 180W vs 65W.
  • Older platform position on TR4 with DDR4, while Ryzen 7 9700X moves to AM5 and DDR5.
  • No integrated graphics, while Ryzen 7 9700X can still boot and troubleshoot without a discrete GPU.

Ryzen 7 9700X

2024

Why buy it

  • Better for gaming: +23.3% higher average FPS across 43 shared CPU benchmark tests.
  • Costs $1,741 less on MSRP ($359 MSRP vs $2,100 MSRP).
  • Delivers 470.1% more PassMark for each dollar spent, at 103.5 vs 18.1 PassMark/$ ($359 MSRP vs $2,100 MSRP).
  • Draws 65W instead of 180W, a 115W reduction.
  • Newer platform on AM5 with DDR5 support instead of TR4 and DDR4.

Trade-offs

  • Lower PassMark (37,145 vs 38,111).
  • Smaller total L3 cache (32 MB vs 64 MB).
  • 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 9700X 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 9700X 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 2.6% better PassMark, backed by 32 cores and 64 threads. It also carries the larger cache pool with 100% larger total L3 cache (64 MB vs 32 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 7 9700X is the smarter buy today. Ryzen 7 9700X is $1,741 cheaper on MSRP at $359 MSRP versus $2,100 MSRP, and it gives you a 23.3% average FPS lead across 43 shared CPU game tests in our data. The trade-off is that EPYC 7551P is still stronger for heavier multi-core work with 2.6% better PassMark. It is also 470.1% better value on MSRP (103.5 vs 18.1 PassMark/$), 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 9700X is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2017) and a healthier platform with AM5 and DDR5 instead of TR4. 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.

Path of Exile 2

Path of Exile 2

PresetEPYC 7551PRyzen 7 9700X
1080p
low187 FPS265 FPS
medium165 FPS245 FPS
high132 FPS209 FPS
ultra105 FPS179 FPS
1440p
low153 FPS226 FPS
medium127 FPS188 FPS
high97 FPS154 FPS
ultra78 FPS135 FPS
4K
low71 FPS157 FPS
medium63 FPS131 FPS
high48 FPS101 FPS
ultra39 FPS87 FPS
Counter-Strike 2

Counter-Strike 2

PresetEPYC 7551PRyzen 7 9700X
1080p
low207 FPS639 FPS
medium188 FPS526 FPS
high160 FPS436 FPS
ultra131 FPS392 FPS
1440p
low178 FPS545 FPS
medium163 FPS470 FPS
high141 FPS395 FPS
ultra111 FPS337 FPS
4K
low112 FPS319 FPS
medium103 FPS281 FPS
high92 FPS265 FPS
ultra75 FPS232 FPS
League of Legends

League of Legends

PresetEPYC 7551PRyzen 7 9700X
1080p
low620 FPS929 FPS
medium518 FPS744 FPS
high466 FPS650 FPS
ultra399 FPS558 FPS
1440p
low517 FPS736 FPS
medium432 FPS589 FPS
high378 FPS506 FPS
ultra325 FPS431 FPS
4K
low383 FPS508 FPS
medium308 FPS420 FPS
high270 FPS378 FPS
ultra220 FPS318 FPS
Valorant

Valorant

PresetEPYC 7551PRyzen 7 9700X
1080p
low834 FPS929 FPS
medium758 FPS929 FPS
high651 FPS850 FPS
ultra561 FPS756 FPS
1440p
low667 FPS889 FPS
medium584 FPS773 FPS
high500 FPS678 FPS
ultra420 FPS584 FPS
4K
low475 FPS582 FPS
medium427 FPS517 FPS
high375 FPS466 FPS
ultra320 FPS405 FPS

Technical Specifications

Side-by-side comparison of EPYC 7551P and Ryzen 7 9700X

AMD

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.

AMD

Ryzen 7 9700X

The Ryzen 7 9700X is manufactured by AMD. It was released in 8 August 2024 (1 year ago). It is based on the Granite Ridge (2024−2025) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 5.5 GHz. L3 cache: 32 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 37,145 points. Launch price was $359.

Processing Power

The EPYC 7551P packs 32 cores / 64 threads, while the Ryzen 7 9700X offers 8 cores / 16 threads — the EPYC 7551P has 24 more cores. Boost clocks reach 3 GHz on the EPYC 7551P versus 5.5 GHz on the Ryzen 7 9700X — a 58.8% clock advantage for the Ryzen 7 9700X (base: 2 GHz vs 3.8 GHz). The EPYC 7551P uses the Naples (2017−2018) architecture (14 nm), while the Ryzen 7 9700X uses Granite Ridge (2024−2025) (4 nm). In PassMark, the EPYC 7551P scores 38,111 against the Ryzen 7 9700X's 37,145 — a 2.6% lead for the EPYC 7551P. L3 cache: 64 MB (total) on the EPYC 7551P vs 32 MB (total) on the Ryzen 7 9700X.

FeatureEPYC 7551PRyzen 7 9700X
Cores / Threads
32 / 64+300%
8 / 16
Boost Clock
3 GHz
5.5 GHz+83%
Base Clock
2 GHz
3.8 GHz+90%
L3 Cache
64 MB (total)+100%
32 MB (total)
L2 Cache
512K (per core)
1 MB (per core)+100%
Process
14 nm
4 nm-71%
Architecture
Naples (2017−2018)
Granite Ridge (2024−2025)
PassMark
38,111+3%
37,145
🧠

Memory & Platform

The EPYC 7551P uses the TR4 socket (PCIe 4.0), while the Ryzen 7 9700X uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 2666 on the EPYC 7551P versus 5600 on the Ryzen 7 9700X — the Ryzen 7 9700X supports 71% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7551P supports up to 2048 of RAM compared to 256 155.6% more capacity for professional workloads. Memory channels: 8 (EPYC 7551P) vs 2 (Ryzen 7 9700X). PCIe lanes: 128 (EPYC 7551P) vs 24 (Ryzen 7 9700X) — the EPYC 7551P offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7551P) and X870E,X670E,B650 (Ryzen 7 9700X).

FeatureEPYC 7551PRyzen 7 9700X
Socket
TR4
AM5
PCIe Generation
PCIe 4.0
PCIe 5.0+25%
Max RAM Speed
2666
5600+110%
Max RAM Capacity
2048+700%
256
RAM Channels
8+300%
2
ECC Support
Yes
Yes
PCIe Lanes
128+433%
24
🔧

Advanced Features

Only the Ryzen 7 9700X 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 VT-x, VT-d, AMD-V (Ryzen 7 9700X). The Ryzen 7 9700X includes integrated graphics (AMD Radeon Graphics (2-core)), while the EPYC 7551P requires a dedicated GPU. Direct competitor: EPYC 7551P rivals Xeon Platinum 8160; Ryzen 7 9700X rivals Core i7-14700K.

FeatureEPYC 7551PRyzen 7 9700X
Integrated GPU
No
Yes
IGPU Model
None
AMD Radeon Graphics (2-core)
Unlocked
No
Yes
AVX-512
Yes
Yes
Virtualization
AMD-V, IOMMU
VT-x, VT-d, AMD-V
💰

Value Analysis

The EPYC 7551P launched at $2100 MSRP, while the Ryzen 7 9700X debuted at $359. On MSRP ($2100 vs $359), the Ryzen 7 9700X is $1741 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7551P delivers 18.1 pts/$ vs 103.5 pts/$ for the Ryzen 7 9700X — making the Ryzen 7 9700X the 140.3% better value option.

FeatureEPYC 7551PRyzen 7 9700X
MSRP
$2100
$359-83%
Performance per Dollar
18.1
103.5+472%
Release Date
2017
2024