EPYC 7453 vs Xeon w7-3445

CPU

GPU

EPYC 7453

28 Cores56 Thrd225 WWMax: 3.45 GHz2021

EPYC family

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Xeon w7-3445

20 Cores40 Thrd270 WWMax: 4.8 GHz2023

Similar parts

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EPYC 7453 vs Xeon w7-3445 Performance Spectrum

EPYC 7453

28 / 56

48,453

0.0%

Ryzen Threadripper 3970X

Ryzen Threadripper 3990X

Ryzen Threadripper 9960X

Ryzen Threadripper PRO 9975WX

Xeon w7-3445

20 / 40

48,991

+1.1%

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 7453 vs Xeon w7-3445 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 7453 vs Xeon w7-3445: Pros, Cons & Final Verdict

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

EPYC 7453

2021

Why buy it

✅+21.9% larger total L3 cache (64 MB vs 53 MB).
✅Costs $419 less on MSRP ($1,570 MSRP vs $1,989 MSRP).
✅Delivers 25.3% more PassMark for each dollar spent, at 30.9 vs 24.6 PassMark/$ ($1,570 MSRP vs $1,989 MSRP).
✅Draws 225W instead of 270W, a 45W reduction.
✅14.3% more PCIe lanes (128 vs 112) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon w7-3445 across 50 shared CPU benchmark tests.
❌Lower PassMark (48,453 vs 48,991).
❌Older platform position on SP3 with DDR4, while Xeon w7-3445 moves to LGA4677 and DDR5.

Xeon w7-3445

2023

Why buy it

✅Better for gaming: +25.4% higher average FPS across 50 shared CPU benchmark tests.
✅Newer platform on LGA4677 with DDR5 support instead of SP3 and DDR4.

Trade-offs

❌Smaller total L3 cache (53 MB vs 64 MB).
❌Lower PassMark per dollar, at 24.6 vs 30.9 PassMark/$ ($1,989 MSRP vs $1,570 MSRP).
❌20% higher power demand at 270W vs 225W.

Quick Answers

So, is Xeon w7-3445 better than EPYC 7453?

Yes. Xeon w7-3445 is the better all-around CPU here. It gives you a 25.4% average FPS lead across 50 shared CPU game tests in our data, 1.1% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon w7-3445 is the better pick. According to our tests, it delivers 25.4% 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, Xeon w7-3445 is the stronger fit. You are getting 1.1% better PassMark, backed by 20 cores and 40 threads.

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

Xeon w7-3445 is still the faster CPU overall, but EPYC 7453 is easier to justify if budget matters more than peak performance. Xeon w7-3445 comes in 26.7% more expensive on MSRP at $1,989 MSRP versus $1,570 MSRP, and it still gives you a 25.4% average FPS lead across 50 shared CPU game tests in our data. EPYC 7453 is also 25.3% better value on MSRP (30.9 vs 24.6 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Xeon w7-3445 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021), a healthier platform with LGA4677 and DDR5 instead of SP3, and more multi-core headroom with 20 cores / 40 threads instead of 28/56. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

EPYC 7453 vs Xeon w7-3445 Technical Specifications

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

EPYC 7453

The EPYC 7453 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 28 cores and 56 threads. Base frequency is 2.75 GHz, with boost up to 3.45 GHz. L3 cache: 64 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 225 Watt. Memory support: DDR4-3200. Passmark benchmark score: 48,453 points. Launch price was $1,570.

Xeon w7-3445

The Xeon w7-3445 is manufactured by Intel. It was released in 15 February 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 20 cores and 40 threads. Base frequency is 2.6 GHz, with boost up to 4.8 GHz. L3 cache: 52.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 270 Watt. Memory support: DDR5-4800. Passmark benchmark score: 48,991 points. Launch price was $1,989.

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Processing Power

The EPYC 7453 packs 28 cores / 56 threads, while the Xeon w7-3445 offers 20 cores / 40 threads — the EPYC 7453 has 8 more cores. Boost clocks reach 3.45 GHz on the EPYC 7453 versus 4.8 GHz on the Xeon w7-3445 — a 32.7% clock advantage for the Xeon w7-3445 (base: 2.75 GHz vs 2.6 GHz). The EPYC 7453 uses the Milan (2021−2023) architecture (7 nm+), while the Xeon w7-3445 uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the EPYC 7453 scores 48,453 against the Xeon w7-3445's 48,991 — a 1.1% lead for the Xeon w7-3445. L3 cache: 64 MB (total) on the EPYC 7453 vs 52.5 MB on the Xeon w7-3445.

Feature	EPYC 7453	Xeon w7-3445
Cores / Threads	28 / 56+40%	20 / 40
Boost Clock	3.45 GHz	4.8 GHz+39%
Base Clock	2.75 GHz+6%	2.6 GHz
L3 Cache	64 MB (total)+22%	52.5 MB
L2 Cache	512 kB (per core)	2 MB (per core)+300%
Process	7 nm+	Intel 7 nm
Architecture	Milan (2021−2023)	Sapphire Rapids (2023−2024)
PassMark	48,453	48,991+1%

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Memory & Platform

The EPYC 7453 uses the SP3 socket (PCIe 4.0), while the Xeon w7-3445 uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7453 versus 4800 on the Xeon w7-3445 — the Xeon w7-3445 supports 50% 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. PCIe lanes: 128 (EPYC 7453) vs 112 (Xeon w7-3445) — the EPYC 7453 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3,C621A (EPYC 7453) and W790 (Xeon w7-3445).

Feature	EPYC 7453	Xeon w7-3445
Socket	SP3	LGA4677
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	3200	4800+50%
Max RAM Capacity	4096	4096
RAM Channels	8	8
ECC Support	Yes	Yes
PCIe Lanes	128+14%	112

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Advanced Features

Only the Xeon w7-3445 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d virtualization. Direct competitor: EPYC 7453 rivals Xeon Platinum 8362; Xeon w7-3445 rivals Threadripper PRO 7965WX.

Feature	EPYC 7453	Xeon w7-3445
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	Yes
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d

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Value Analysis

At launch, the EPYC 7453 was priced at $1570, while the Xeon w7-3445 came in at $1989. On launch pricing ($1570 vs $1989), EPYC 7453 was $419 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7453 delivers 30.9 pts/$ vs 24.6 pts/$ for the Xeon w7-3445 — making the EPYC 7453 the 22.5% better value option.

Feature	EPYC 7453	Xeon w7-3445
MSRP	$1570-21%	$1989
Performance per Dollar	30.9+26%	24.6
Release Date	2021	2023

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