EPYC 7J13 vs EPYC 7663

EPYC 7J13 vs EPYC 7663 Performance Spectrum

EPYC 7J13

64 / 128

84,786

+3.2%

Ryzen 9 PRO 7945

Ryzen 9 9900X3D

Ryzen 9 9950X

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper PRO 7975WX

Ryzen Threadripper PRO 9975WX

Ryzen Threadripper PRO 7985WX

Ryzen Threadripper 7980X

EPYC 7663

56 / 112

82,120

0.0%

Ryzen 9 5950X

Ryzen Threadripper 3960X

Ryzen Threadripper 3970X

Ryzen 9 9950X3D

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

Ryzen Threadripper PRO 7985WX

Ryzen Threadripper 7980X

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.

EPYC 7J13 vs EPYC 7663 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

EPYC 7J13 vs EPYC 7663: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

EPYC 7J13

2021

Why buy it

✅+3.2% higher PassMark.

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

❌Lower PassMark (82,120 vs 84,786).

Quick Answers

So, is EPYC 7J13 better than EPYC 7663?

Yes. EPYC 7J13 is the better all-around CPU here. It gives you a 2.9% average FPS lead across 50 shared CPU game tests in our data, 3.2% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

For gaming, this matchup is basically a tie in the data we have.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, EPYC 7J13 is the stronger 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 is easier to justify if budget matters more than peak performance. EPYC 7J13 comes in 23.9% more expensive on MSRP at $7,890 MSRP versus $6,366 MSRP, and it still gives you a 2.9% average FPS lead across 50 shared CPU game tests in our data. EPYC 7663 is also 20.0% better value on MSRP (12.9 vs 10.7 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

Which one is more future-proof for 2026 and beyond?

EPYC 7J13 makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 64 cores / 128 threads instead of 56/112. That extra cache should keep paying off in CPU-limited games and high-refresh builds.

EPYC 7J13 vs EPYC 7663 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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.

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.

Feature	EPYC 7J13	EPYC 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. Both support up to 3200 memory speed. Both support up to 4096 GB of RAM. Both feature 8-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP3 (EPYC 7J13) and SP3 (EPYC 7663).

Feature	EPYC 7J13	EPYC 7663
Socket	SP3	SP3
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	3200	DDR4-3200
Max RAM Capacity	4096 GB	4096 GB
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.

Feature	EPYC 7J13	EPYC 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

At launch, the EPYC 7J13 was priced at $7890, while the EPYC 7663 came in at $6366. On launch pricing ($7890 vs $6366), EPYC 7663 was $1524 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7J13 delivers 10.7 pts/$ vs 12.9 pts/$ for the EPYC 7663 — making the EPYC 7663 the 18.2% better value option.

Feature	EPYC 7J13	EPYC 7663
MSRP	$7890	$6366-19%
Performance per Dollar	10.7	12.9+21%
Release Date	2021	2021

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