Core i5-13400E vs EPYC 7451

Core i5-13400E vs EPYC 7451 Performance Spectrum

Core i5-13400E

10 / 16

27,000

+1.4%

26,639

0.0%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Ryzen Threadripper 9960X

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.

Core i5-13400E vs EPYC 7451 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.

Core i5-13400E vs EPYC 7451: Pros, Cons & Final Verdict

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

Core i5-13400E

2023

Why buy it

✅Draws 65W instead of 180W, a 115W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of TR4 and DDR4.
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD 730, while EPYC 7451 needs a discrete GPU.
✅Includes a boxed cooler (Yes), unlike EPYC 7451.

Trade-offs

❌Smaller total L3 cache (20 MB vs 64 MB).
❌Less compelling for workstation-style loads than EPYC 7451, which brings 24 cores / 48 threads.
❌Launch MSRP is still $221 MSRP, while EPYC 7451 mostly shows up through inconsistent older-market listings.

EPYC 7451

2017

Why buy it

✅+220% larger total L3 cache (64 MB vs 20 MB).
✅Better for workstations and heavier parallel workloads: 24 cores / 48 threads.

Trade-offs

❌Lower PassMark (26,639 vs 27,000).
❌176.9% higher power demand at 180W vs 65W.
❌Older platform position on TR4 with DDR4, while Core i5-13400E moves to LGA1700 and DDR5.
❌No integrated graphics, while Core i5-13400E can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike Core i5-13400E.

Quick Answers

So, is Core i5-13400E better than EPYC 7451?

Not really, because they are built for different jobs. EPYC 7451 makes more sense for workstation-style multi-core throughput, while Core i5-13400E is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Core i5-13400E is the better pick. According to our tests, it delivers 1.1% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Core i5-13400E is the stronger fit. You are getting 1.4% better PassMark, backed by 10 cores and 16 threads.

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

Core i5-13400E is the better buy right now. Core i5-13400E comes in at an unclear MSRP at $221 MSRP versus unclear MSRP, and it still gives you a 1.1% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (122.2 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i5-13400E makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2017), a healthier platform with LGA1700 and DDR5 instead of TR4, and more multi-core headroom with 10 cores / 16 threads instead of 24/48. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-13400E vs EPYC 7451 Technical Specifications

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

Core i5-13400E

The Core i5-13400E is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-S (2023−2024) architecture. It features 10 cores and 16 threads. Base frequency is 2.4 GHz, with boost up to 4.6 GHz. L3 cache: 20 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR4, DDR5 Dual-channel. Passmark benchmark score: 27,000 points. Launch price was $299.

EPYC 7451

The EPYC 7451 is manufactured by AMD. It was released in 29 June 2017 (8 years ago). It is based on the Naples (2017−2018) architecture. It features 24 cores and 48 threads. Base frequency is 2.3 GHz, with boost up to 3.2 GHz. L3 cache: 64 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: TR4. Thermal design power (TDP): 180 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 26,639 points. Launch price was $2,400.

⚡

Processing Power

The Core i5-13400E packs 10 cores / 16 threads, while the EPYC 7451 offers 24 cores / 48 threads — the EPYC 7451 has 14 more cores. Boost clocks reach 4.6 GHz on the Core i5-13400E versus 3.2 GHz on the EPYC 7451 — a 35.9% clock advantage for the Core i5-13400E (base: 2.4 GHz vs 2.3 GHz). The Core i5-13400E uses the Raptor Lake-S (2023−2024) architecture (10 nm), while the EPYC 7451 uses Naples (2017−2018) (14 nm). In PassMark, the Core i5-13400E scores 27,000 against the EPYC 7451's 26,639 — a 1.3% lead for the Core i5-13400E. L3 cache: 20 MB (total) on the Core i5-13400E vs 64 MB (total) on the EPYC 7451.

Feature	Core i5-13400E	EPYC 7451
Cores / Threads	10 / 16	24 / 48+140%
Boost Clock	4.6 GHz+44%	3.2 GHz
Base Clock	2.4 GHz+4%	2.3 GHz
L3 Cache	20 MB (total)	64 MB (total)+220%
L2 Cache	1.25 MB (per core)	512K (per core)+40860%
Process	10 nm-29%	14 nm
Architecture	Raptor Lake-S (2023−2024)	Naples (2017−2018)
PassMark	27,000+1%	26,639
Cinebench R23 Multi	15,953	—
Geekbench 6 Single	2,375	—
Geekbench 6 Multi	9,977	—

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Memory & Platform

The Core i5-13400E uses the LGA1700 socket (PCIe 5.0), while the EPYC 7451 uses TR4 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core i5-13400E	EPYC 7451
Socket	LGA1700	TR4
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-4800	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	Yes	—
PCIe Lanes	20	—

🔧

Advanced Features

Virtualization: VT-x, VT-d, EPT (Core i5-13400E) / not specified (EPYC 7451). The Core i5-13400E includes integrated graphics (UHD 730), while the EPYC 7451 requires a dedicated GPU. Primary use case: Core i5-13400E targets Productivity. Direct competitor: Core i5-13400E rivals Ryzen 5 7600.