EPYC 7663 vs Ryzen 7 3700X

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 7663 vs Ryzen 7 3700X 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 7663 vs Ryzen 7 3700X: Pros, Cons & Final Verdict

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

EPYC 7663

2021

Why buy it

✅+266.1% higher PassMark.
✅+700% larger total L3 cache (256 MB vs 32 MB).
✅Better for workstations and heavier parallel workloads: 56 cores / 112 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 3700X across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 12.9 vs 68.2 PassMark/$ ($6,366 MSRP vs $329 MSRP).
❌269.2% higher power demand at 240W vs 65W.

Ryzen 7 3700X

2019

Why buy it

✅Better for gaming: +22.0% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $6,037 less on MSRP ($329 MSRP vs $6,366 MSRP).
✅Delivers 428.5% more PassMark for each dollar spent, at 68.2 vs 12.9 PassMark/$ ($329 MSRP vs $6,366 MSRP).
✅Draws 65W instead of 240W, a 175W reduction.

Trade-offs

❌Lower PassMark (22,430 vs 82,120).
❌Smaller total L3 cache (32 MB vs 256 MB).
❌Less compelling for workstation-style loads than EPYC 7663, which brings 56 cores / 112 threads and 128 PCIe lanes.

Quick Answers

So, is Ryzen 7 3700X better than EPYC 7663?

Not really, because they are built for different jobs. EPYC 7663 makes more sense for workstation-style multi-core throughput, while Ryzen 7 3700X is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, EPYC 7663 is the stronger fit. You are getting 266.1% better PassMark, backed by 56 cores and 112 threads. It also has the larger cache pool with 700% larger total L3 cache (256 MB vs 32 MB).

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

Ryzen 7 3700X is the better buy right now. Ryzen 7 3700X comes in $6,037 cheaper on MSRP at $329 MSRP versus $6,366 MSRP, and it still gives you a 22.0% average FPS lead across 50 shared CPU game tests in our data. The compromise is that EPYC 7663 is still stronger for heavier multi-core work with 266.1% better PassMark. It is also 428.5% better value on MSRP (68.2 vs 12.9 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

EPYC 7663 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2019), 700% larger total L3 cache (256 MB vs 32 MB), and more multi-core headroom with 56 cores / 112 threads instead of 8/16. That extra cache should keep paying off in CPU-limited games and high-refresh builds.

EPYC 7663 vs Ryzen 7 3700X Technical Specifications

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

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.

Ryzen 7 3700X

The Ryzen 7 3700X is manufactured by AMD. It was released in 7 July 2019 (6 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.4 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 22,430 points. Launch price was $329.

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Processing Power

The EPYC 7663 packs 56 cores / 112 threads, while the Ryzen 7 3700X offers 8 cores / 16 threads — the EPYC 7663 has 48 more cores. Boost clocks reach 3.5 GHz on the EPYC 7663 versus 4.4 GHz on the Ryzen 7 3700X — a 22.8% clock advantage for the Ryzen 7 3700X (base: 2 GHz vs 3.6 GHz). The EPYC 7663 uses the Milan (2021−2023) architecture (7 nm+), while the Ryzen 7 3700X uses Matisse (Zen 2) (2019−2020) (7 nm, 12 nm). In PassMark, the EPYC 7663 scores 82,120 against the Ryzen 7 3700X's 22,430 — a 114.2% lead for the EPYC 7663. L3 cache: 256 MB (total) on the EPYC 7663 vs 32 MB on the Ryzen 7 3700X.

Feature	EPYC 7663	Ryzen 7 3700X
Cores / Threads	56 / 112+600%	8 / 16
Boost Clock	3.5 GHz	4.4 GHz+26%
Base Clock	2 GHz	3.6 GHz+80%
L3 Cache	256 MB (total)+700%	32 MB
L2 Cache	512 kB (per core)	512K (per core)
Process	7 nm+	7 nm, 12 nm
Architecture	Milan (2021−2023)	Matisse (Zen 2) (2019−2020)
PassMark	82,120+266%	22,430
Geekbench 6 Single	1,370	—
Geekbench 6 Multi	12,380	—

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Memory & Platform

The EPYC 7663 uses the SP3 socket (PCIe 4.0), while the Ryzen 7 3700X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. The EPYC 7663 supports up to 4096 GB of RAM compared to 128 GB — 3100% more capacity for professional workloads. Memory channels: 8 (EPYC 7663) vs 2 (Ryzen 7 3700X). PCIe lanes: 128 (EPYC 7663) vs 24 (Ryzen 7 3700X) — the EPYC 7663 offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7663) and AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 3700X).

Feature	EPYC 7663	Ryzen 7 3700X
Socket	SP3	AM4
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR4-3200	DDR4-3200
Max RAM Capacity	4096 GB+3100%	128 GB
RAM Channels	8+300%	2
ECC Support	Yes	Yes
PCIe Lanes	128+433%	24

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Advanced Features

Virtualization: AMD-V (EPYC 7663) / not specified (Ryzen 7 3700X). Primary use case: EPYC 7663 targets Server. Direct competitor: EPYC 7663 rivals Xeon Platinum 8380.

Feature	EPYC 7663	Ryzen 7 3700X
Integrated GPU	No	No
IGPU Model	None	—
Unlocked	No	—
AVX-512	No	—
Virtualization	AMD-V	—
Target Use	Server	—

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Value Analysis

At launch, the EPYC 7663 was priced at $6366, while the Ryzen 7 3700X came in at $329. On launch pricing ($6366 vs $329), Ryzen 7 3700X was $6037 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7663 delivers 12.9 pts/$ vs 68.2 pts/$ for the Ryzen 7 3700X — making the Ryzen 7 3700X the 136.4% better value option.

Feature	EPYC 7663	Ryzen 7 3700X
MSRP	$6366	$329-95%
Performance per Dollar	12.9	68.2+429%
Release Date	2021	2019

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