EPYC 7J13 vs EPYC 7663

AMD

EPYC 7J13

64 Cores128 Thrd280 WWMax: 3.5 GHz2021

Popular choices:

VS
AMD

EPYC 7663

56 Cores112 Thrd240 WWMax: 3.5 GHz2021

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 7J13

2021

Why buy it

  • Better for gaming: +8.2% higher average FPS across 4 shared CPU benchmark tests.

Trade-offs

  • Lower PassMark per dollar, at 10.7 vs 12.9 PassMark/$ ($7,890 MSRP vs $6,366 MSRP).
  • 16.7% higher power demand at 280W vs 240W.

EPYC 7663

2021

Why buy it

  • Costs $1,524 less on MSRP ($6,366 MSRP vs $7,890 MSRP).
  • Delivers 20.0% more PassMark for each dollar spent, at 12.9 vs 10.7 PassMark/$ ($6,366 MSRP vs $7,890 MSRP).
  • Draws 240W instead of 280W, a 40W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than EPYC 7J13 across 4 shared CPU benchmark tests.
  • Lower PassMark (82,120 vs 84,786).

Quick Answers

So, is EPYC 7J13 better than EPYC 7663?
Yes. EPYC 7J13 is the better overall CPU here. You are getting a 8.2% average FPS lead across 4 shared CPU game tests in our data, 3.2% better PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.
Which one is better for gaming?
If gaming is the priority, EPYC 7J13 is the better pick here. According to our tests, it delivers 8.2% more average FPS across 4 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, EPYC 7J13 is the better fit. You are getting 3.2% better PassMark, backed by 64 cores and 128 threads.
Which one is the smarter buy today, not just the cheaper CPU?
EPYC 7J13 is still the faster CPU overall, but EPYC 7663 makes more sense if price matters more than absolute performance. EPYC 7J13 is 23.9% more expensive on MSRP at $7,890 MSRP versus $6,366 MSRP, and it gives you a 8.2% average FPS lead across 4 shared CPU game tests in our data. EPYC 7663 is also 20.0% better value on MSRP (12.9 vs 10.7 PassMark/$), 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 7J13 is the more future-proof choice for 2026 and beyond. You are getting more multi-core headroom with 64 cores / 128 threads instead of 56/112. 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.

Path of Exile 2

Path of Exile 2

PresetEPYC 7J13EPYC 7663
1080p
low190 FPS190 FPS
medium155 FPS155 FPS
high123 FPS123 FPS
ultra96 FPS96 FPS
1440p
low156 FPS156 FPS
medium123 FPS123 FPS
high94 FPS94 FPS
ultra75 FPS75 FPS
4K
low72 FPS72 FPS
medium60 FPS60 FPS
high46 FPS46 FPS
ultra38 FPS38 FPS
Counter-Strike 2

Counter-Strike 2

PresetEPYC 7J13EPYC 7663
1080p
low422 FPS238 FPS
medium371 FPS211 FPS
high301 FPS174 FPS
ultra237 FPS138 FPS
1440p
low347 FPS195 FPS
medium313 FPS177 FPS
high261 FPS151 FPS
ultra200 FPS116 FPS
4K
low213 FPS121 FPS
medium196 FPS112 FPS
high164 FPS97 FPS
ultra132 FPS79 FPS
League of Legends

League of Legends

PresetEPYC 7J13EPYC 7663
1080p
low836 FPS836 FPS
medium696 FPS696 FPS
high649 FPS649 FPS
ultra573 FPS573 FPS
1440p
low602 FPS602 FPS
medium500 FPS500 FPS
high458 FPS458 FPS
ultra400 FPS400 FPS
4K
low430 FPS430 FPS
medium335 FPS335 FPS
high300 FPS300 FPS
ultra242 FPS242 FPS
Valorant

Valorant

PresetEPYC 7J13EPYC 7663
1080p
low977 FPS954 FPS
medium886 FPS863 FPS
high762 FPS739 FPS
ultra656 FPS637 FPS
1440p
low746 FPS733 FPS
medium649 FPS636 FPS
high555 FPS542 FPS
ultra477 FPS466 FPS
4K
low532 FPS522 FPS
medium473 FPS464 FPS
high415 FPS406 FPS
ultra361 FPS353 FPS

Technical Specifications

Side-by-side comparison of EPYC 7J13 and EPYC 7663

AMD

EPYC 7J13

The EPYC 7J13 is manufactured by AMD. It was released in 2021-03-01. It is based on the Milan (2021−2023) architecture. It features 64 cores and 128 threads. Base frequency is 2.55 GHz, with boost up to 3.5 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: SP3. Thermal design power (TDP): 280 Watt. Memory support: DDR4. Passmark benchmark score: 84,786 points. Launch price was $6,000.

AMD

EPYC 7663

The EPYC 7663 is manufactured by AMD. It was released in 15 March 2021 (4 years ago). It is based on the Milan (2021−2023) architecture. It features 56 cores and 112 threads. Base frequency is 2 GHz, with boost up to 3.5 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 240 Watt. Memory support: DDR4-3200. Passmark benchmark score: 82,120 points. Launch price was $6,366.

Processing Power

The EPYC 7J13 packs 64 cores / 128 threads, while the EPYC 7663 offers 56 cores / 112 threads — the EPYC 7J13 has 8 more cores. Boost clocks reach 3.5 GHz on the EPYC 7J13 versus 3.5 GHz on the EPYC 7663 — identical boost frequencies (base: 2.55 GHz vs 2 GHz). Both are built on the Milan (2021−2023) architecture using a 7 nm process. In PassMark, the EPYC 7J13 scores 84,786 against the EPYC 7663's 82,120 — a 3.2% lead for the EPYC 7J13. Both processors carry 256 MB (total) of L3 cache.

FeatureEPYC 7J13EPYC 7663
Cores / Threads
64 / 128+14%
56 / 112
Boost Clock
3.5 GHz
3.5 GHz
Base Clock
2.55 GHz+27%
2 GHz
L3 Cache
256 MB (total)
256 MB (total)
L2 Cache
512 kB (per core)
512 kB (per core)
Process
7 nm
7 nm+
Architecture
Milan (2021−2023)
Milan (2021−2023)
PassMark
84,786+3%
82,120
Geekbench 6 Single
1,370
Geekbench 6 Multi
12,380
🧠

Memory & Platform

Both processors use the SP3 socket with PCIe 4.0. Maximum memory speed reaches 3200 on the EPYC 7J13 versus DDR4-3200 on the EPYC 7663 — the EPYC 7J13 supports 199.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4096 of RAM. Both feature 8-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP3 (EPYC 7J13) and SP3 (EPYC 7663).

FeatureEPYC 7J13EPYC 7663
Socket
SP3
SP3
PCIe Generation
PCIe 4.0
PCIe 4.0
Max RAM Speed
3200+79900%
DDR4-3200
Max RAM Capacity
4096
4096 GB+104857500%
RAM Channels
8
8
ECC Support
Yes
Yes
PCIe Lanes
128
128
🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: VT-x, VT-d, SEV (EPYC 7J13) vs AMD-V (EPYC 7663). Primary use case: EPYC 7663 targets Server. Direct competitor: EPYC 7J13 rivals Xeon Platinum 8380; EPYC 7663 rivals Xeon Platinum 8380.

FeatureEPYC 7J13EPYC 7663
Integrated GPU
No
No
IGPU Model
None
None
Unlocked
No
No
AVX-512
No
No
Virtualization
VT-x, VT-d, SEV
AMD-V
Target Use
Server
💰

Value Analysis

The EPYC 7J13 launched at $7890 MSRP, while the EPYC 7663 debuted at $6366. On MSRP ($7890 vs $6366), the EPYC 7663 is $1524 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7J13 delivers 10.7 pts/$ vs 12.9 pts/$ for the EPYC 7663 — making the EPYC 7663 the 18.2% better value option.

FeatureEPYC 7J13EPYC 7663
MSRP
$7890
$6366-19%
Performance per Dollar
10.7
12.9+21%
Release Date
2021
2021