Core i7-9700K vs EPYC 9555

Intel

Core i7-9700K

8 Cores8 Thrd95 WWMax: 4.9 GHz2018

Popular choices:

VS
AMD

EPYC 9555

64 Cores128 Thrd360 WWMax: 4.4 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.

Core i7-9700K

2018

Why buy it

  • Costs $9,441 less on MSRP ($385 MSRP vs $9,826 MSRP).
  • Delivers 175.7% more PassMark for each dollar spent, at 37.4 vs 13.6 PassMark/$ ($385 MSRP vs $9,826 MSRP).
  • Draws 95W instead of 360W, a 265W reduction.
  • Integrated graphics onboard with UHD Graphics 630, while EPYC 9555 needs a discrete GPU.

Trade-offs

  • Worse for gaming: lower average FPS than EPYC 9555 across 4 shared CPU benchmark tests.
  • Lower PassMark (14,397 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 LGA1151 with DDR4, while EPYC 9555 moves to SP5 and DDR5.

EPYC 9555

2024

Why buy it

  • Better for gaming: +47.9% higher average FPS across 4 shared CPU benchmark tests.
  • Better for workstations and heavier parallel workloads: 64 cores / 128 threads, plus 128 PCIe lanes vs 16.
  • Newer platform on SP5 with DDR5 support instead of LGA1151 and DDR4.
  • 700% more PCIe lanes (128 vs 16) for storage and expansion-heavy builds.

Trade-offs

  • Lower PassMark per dollar, at 13.6 vs 37.4 PassMark/$ ($9,826 MSRP vs $385 MSRP).
  • 278.9% higher power demand at 360W vs 95W.
  • No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is EPYC 9555 better than Core i7-9700K?
Not in a simple one-size-fits-all way. EPYC 9555 makes more sense for workstation-style multi-core throughput, while Core i7-9700K 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 47.9% more average FPS across 4 shared CPU game tests. It also has a big cache advantage at 256 MB vs 12 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 825.6% better PassMark, backed by 64 cores and 128 threads. It also carries the larger cache pool with 2033.3% larger total L3 cache (256 MB vs 12 MB).
Which one is the smarter buy today, not just the cheaper CPU?
EPYC 9555 is the smarter buy by a wide margin for a fresh build. EPYC 9555 is 2452.2% more expensive on MSRP at $9,826 MSRP versus $385 MSRP, and it gives you a 47.9% average FPS lead across 4 shared CPU game tests in our data. Core i7-9700K only looks stronger on raw value math because it is extremely cheap, but that is mostly used-market pricing on an obsolete 2018 platform. Even with 175.7% better value on paper (37.4 vs 13.6 PassMark/$), it really only makes sense as a very cheap stopgap or a niche existing-platform option for someone already on LGA1151.
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 2018), a healthier platform with SP5 and DDR5 instead of LGA1151, 3D V-Cache and a much larger 256 MB L3 cache instead of 12 MB, and more multi-core headroom with 64 cores / 128 threads instead of 8/8. 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

PresetCore i7-9700KEPYC 9555
1080p
low308 FPS171 FPS
medium278 FPS142 FPS
high231 FPS122 FPS
ultra182 FPS99 FPS
1440p
low270 FPS150 FPS
medium221 FPS121 FPS
high178 FPS99 FPS
ultra143 FPS83 FPS
4K
low170 FPS84 FPS
medium140 FPS73 FPS
high108 FPS57 FPS
ultra95 FPS47 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i7-9700KEPYC 9555
1080p
low360 FPS655 FPS
medium321 FPS566 FPS
high291 FPS459 FPS
ultra259 FPS397 FPS
1440p
low324 FPS546 FPS
medium282 FPS483 FPS
high258 FPS404 FPS
ultra225 FPS328 FPS
4K
low249 FPS331 FPS
medium221 FPS295 FPS
high208 FPS268 FPS
ultra179 FPS236 FPS
League of Legends

League of Legends

PresetCore i7-9700KEPYC 9555
1080p
low360 FPS747 FPS
medium360 FPS634 FPS
high360 FPS590 FPS
ultra360 FPS519 FPS
1440p
low360 FPS561 FPS
medium360 FPS474 FPS
high360 FPS434 FPS
ultra360 FPS376 FPS
4K
low360 FPS405 FPS
medium360 FPS326 FPS
high360 FPS288 FPS
ultra318 FPS229 FPS
Valorant

Valorant

PresetCore i7-9700KEPYC 9555
1080p
low360 FPS1005 FPS
medium360 FPS902 FPS
high360 FPS778 FPS
ultra360 FPS702 FPS
1440p
low360 FPS809 FPS
medium360 FPS704 FPS
high360 FPS603 FPS
ultra360 FPS533 FPS
4K
low360 FPS574 FPS
medium360 FPS510 FPS
high360 FPS447 FPS
ultra360 FPS392 FPS

Technical Specifications

Side-by-side comparison of Core i7-9700K and EPYC 9555

Intel

Core i7-9700K

The Core i7-9700K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 14,397 points. Launch price was $374.

AMD

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.

Processing Power

The Core i7-9700K packs 8 cores / 8 threads, while the EPYC 9555 offers 64 cores / 128 threads — the EPYC 9555 has 56 more cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 4.4 GHz on the EPYC 9555 — a 10.8% clock advantage for the Core i7-9700K (base: 3.6 GHz vs 3.2 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the EPYC 9555 uses Turin (2024) (4 nm). In PassMark, the Core i7-9700K scores 14,397 against the EPYC 9555's 133,253 — a 161% lead for the EPYC 9555. L3 cache: 12 MB (total) on the Core i7-9700K vs 256 MB (total) on the EPYC 9555.

FeatureCore i7-9700KEPYC 9555
Cores / Threads
8 / 8
64 / 128+700%
Boost Clock
4.9 GHz+11%
4.4 GHz
Base Clock
3.6 GHz+12%
3.2 GHz
L3 Cache
12 MB (total)
256 MB (total)+2033%
L2 Cache
256K (per core)
1 MB (per core)+300%
Process
14 nm
4 nm-71%
Architecture
Coffee Lake-R (2018−2019)
Turin (2024)
PassMark
14,397
133,253+826%
🧠

Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the EPYC 9555 uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i7-9700K versus DDR5-6000 on the EPYC 9555 — the EPYC 9555 supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-9700K supports up to 128 GB of RAM compared to 6 TB 182.1% more capacity for professional workloads. Memory channels: 2 (Core i7-9700K) vs 12 (EPYC 9555). PCIe lanes: 16 (Core i7-9700K) vs 128 (EPYC 9555) — the EPYC 9555 offers 112 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 300 series (Core i7-9700K) and SP5 (EPYC 9555).

FeatureCore i7-9700KEPYC 9555
Socket
LGA1151
SP5
PCIe Generation
PCIe 3.0
PCIe 5.0+67%
Max RAM Speed
DDR4-2666
DDR5-6000+25%
Max RAM Capacity
128 GB
6 TB+4700%
RAM Channels
2
12+500%
ECC Support
No
Yes
PCIe Lanes
16
128+700%
🔧

Advanced Features

Virtualization support: VT-x, VT-d (Core i7-9700K) vs AMD-V, SEV-SNP (EPYC 9555). The Core i7-9700K includes integrated graphics (UHD Graphics 630), while the EPYC 9555 requires a dedicated GPU. Primary use case: Core i7-9700K targets Desktop, EPYC 9555 targets Data Center. Direct competitor: EPYC 9555 rivals Xeon 6972P.

FeatureCore i7-9700KEPYC 9555
Integrated GPU
Yes
No
IGPU Model
UHD Graphics 630
Unlocked
Yes
AVX-512
No
Virtualization
VT-x, VT-d
AMD-V, SEV-SNP
Target Use
Desktop
Data Center
💰

Value Analysis

The Core i7-9700K launched at $385 MSRP, while the EPYC 9555 debuted at $9826. On MSRP ($385 vs $9826), the Core i7-9700K is $9441 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-9700K delivers 37.4 pts/$ vs 13.6 pts/$ for the EPYC 9555 — making the Core i7-9700K the 93.5% better value option.

FeatureCore i7-9700KEPYC 9555
MSRP
$385-96%
$9826
Performance per Dollar
37.4+175%
13.6
Release Date
2018
2024