EPYC 7773X vs EPYC 9454

EPYC 7773X vs EPYC 9454 Performance Spectrum

EPYC 7773X

64 / 128

91,340

+3.8%

Ryzen 9 7900X3D

Ryzen Threadripper PRO 7955WX

Ryzen 9 9950X3D

Ryzen Threadripper 3990X

Ryzen Threadripper PRO 9975WX

Ryzen Threadripper PRO 7985WX

Ryzen Threadripper 7980X

Ryzen Threadripper 9980X

EPYC 9454

48 / 96

87,961

0.0%

Ryzen Threadripper PRO 5955WX

Ryzen 9 7945HX3D

Ryzen Threadripper PRO 9955WX

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 7970X

Ryzen Threadripper 9970X

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 7773X vs EPYC 9454 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 7773X vs EPYC 9454: Pros, Cons & Final Verdict

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

EPYC 7773X

2022

Why buy it

✅+3.8% higher PassMark.
✅+200% larger total L3 cache (768 MB vs 256 MB).
✅Draws 280W instead of 290W, a 10W reduction.

Trade-offs

❌Lower PassMark per dollar, at 10.4 vs 16.8 PassMark/$ ($8,800 MSRP vs $5,225 MSRP).
❌Older platform position on SP3 with DDR4, while EPYC 9454 moves to SP5 and DDR5.

EPYC 9454

2022

Why buy it

✅Costs $3,575 less on MSRP ($5,225 MSRP vs $8,800 MSRP).
✅Delivers 62.2% more PassMark for each dollar spent, at 16.8 vs 10.4 PassMark/$ ($5,225 MSRP vs $8,800 MSRP).
✅Newer platform on SP5 with DDR5 support instead of SP3 and DDR4.

Trade-offs

❌Lower PassMark (87,961 vs 91,340).
❌Smaller total L3 cache (256 MB vs 768 MB).

Quick Answers

So, is EPYC 9454 better than EPYC 7773X?

It depends on what you want from the system. For gaming, EPYC 9454 is ahead with a 0.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, EPYC 7773X pulls ahead with 3.8% better PassMark. EPYC 7773X also has the bigger cache pool with 200% larger total L3 cache (768 MB vs 256 MB).

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

For streaming, content creation, and heavier multitasking, EPYC 7773X is the stronger fit. You are getting 3.8% better PassMark, backed by 64 cores and 128 threads. It also has the larger cache pool with 200% larger total L3 cache (768 MB vs 256 MB).

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

EPYC 9454 is the better buy right now. EPYC 9454 comes in $3,575 cheaper on MSRP at $5,225 MSRP versus $8,800 MSRP, and it still gives you a 0.2% average FPS lead across 50 shared CPU game tests in our data. The compromise is that EPYC 7773X is still stronger for heavier multi-core work with 3.8% better PassMark. It is also 62.2% better value on MSRP (16.8 vs 10.4 PassMark/$), 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 9454 makes more sense long term for 2026 and beyond. You are getting a healthier platform with SP5 and DDR5 instead of SP3. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

EPYC 7773X vs EPYC 9454 Technical Specifications

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

EPYC 7773X

The EPYC 7773X is manufactured by AMD. It was released in 2022-03-22. It is based on the Milan-X (2022) architecture. It features 64 cores and 128 threads. Base frequency is 2.2 GHz, with boost up to 3.5 GHz. L3 cache: 768 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: SP3. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 91,340 points. Launch price was $8,800.

EPYC 9454

The EPYC 9454 is manufactured by AMD. It was released in 10 November 2022 (3 years ago). It is based on the Genoa (2022−2023) architecture. It features 48 cores and 96 threads. Base frequency is 2.75 GHz, with boost up to 3.8 GHz. L3 cache: 256 MB (total). L2 cache: 1 MB (per core). Built on 5 nm, 6 nm process technology. Socket: SP5. Thermal design power (TDP): 290 Watt. Memory support: DDR5-4800. Passmark benchmark score: 87,961 points. Launch price was $5,225.

⚡

Processing Power

The EPYC 7773X packs 64 cores / 128 threads, while the EPYC 9454 offers 48 cores / 96 threads — the EPYC 7773X has 16 more cores. Boost clocks reach 3.5 GHz on the EPYC 7773X versus 3.8 GHz on the EPYC 9454 — a 8.2% clock advantage for the EPYC 9454 (base: 2.2 GHz vs 2.75 GHz). The EPYC 7773X uses the Milan-X (2022) architecture (7 nm), while the EPYC 9454 uses Genoa (2022−2023) (5 nm, 6 nm). In PassMark, the EPYC 7773X scores 91,340 against the EPYC 9454's 87,961 — a 3.8% lead for the EPYC 7773X. L3 cache: 768 MB (total) on the EPYC 7773X vs 256 MB (total) on the EPYC 9454.

Feature	EPYC 7773X	EPYC 9454
Cores / Threads	64 / 128+33%	48 / 96
Boost Clock	3.5 GHz	3.8 GHz+9%
Base Clock	2.2 GHz	2.75 GHz+25%
L3 Cache	768 MB (total)+200%	256 MB (total)
L2 Cache	512K (per core)+51100%	1 MB (per core)
Process	7 nm	5 nm, 6 nm-29%
Architecture	Milan-X (2022)	Genoa (2022−2023)
PassMark	91,340+4%	87,961
Geekbench 6 Single	1,536	—
Geekbench 6 Multi	45,000	—

🧠

Memory & Platform

The EPYC 7773X uses the SP3 socket (PCIe 4.0), while the EPYC 9454 uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the EPYC 7773X versus DDR5-4800 on the EPYC 9454 — the EPYC 9454 supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9454 supports up to 6 TB of RAM compared to 4 TB — 50% more capacity for professional workloads. Memory channels: 8 (EPYC 7773X) vs 12 (EPYC 9454). Both provide 128 PCIe lanes. Chipset compatibility: SP3 (EPYC 7773X) and SP5 (EPYC 9454).

Feature	EPYC 7773X	EPYC 9454
Socket	SP3	SP5
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	DDR4-3200	DDR5-4800+50%
Max RAM Capacity	4 TB	6 TB+50%
RAM Channels	8	12+50%
ECC Support	Yes	Yes
PCIe Lanes	128	128

🔧

Advanced Features

Virtualization support: AMD-V (EPYC 7773X) vs AMD-V, SEV-SNP (EPYC 9454). Primary use case: EPYC 7773X targets Server, EPYC 9454 targets Data Center. Direct competitor: EPYC 7773X rivals EPYC 9654; EPYC 9454 rivals Xeon Platinum 8468.

Feature	EPYC 7773X	EPYC 9454
Integrated GPU	No	No
IGPU Model	None	—
Unlocked	No	—
AVX-512	No	—
Virtualization	AMD-V	AMD-V, SEV-SNP
Target Use	Server	Data Center

💰

Value Analysis

At launch, the EPYC 7773X was priced at $8800, while the EPYC 9454 came in at $5225. On launch pricing ($8800 vs $5225), EPYC 9454 was $3575 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7773X delivers 10.4 pts/$ vs 16.8 pts/$ for the EPYC 9454 — making the EPYC 9454 the 47.4% better value option.

Feature	EPYC 7773X	EPYC 9454
MSRP	$8800	$5225-41%
Performance per Dollar	10.4	16.8+62%
Release Date	2022	2022

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