EPYC 7303P vs Xeon w5-2455X

CPU

GPU

EPYC 7303P

16 Cores32 Thrd130 WWMax: 3.4 GHz2023

Popular choices:

•••••••••

Xeon w5-2455X

12 Cores24 Thrd200 WWMax: 4.6 GHz2023

Popular choices:

•••••••••

Performance Spectrum - CPU

EPYC 7303P

16 / 32

36,487

0.0%

Ryzen Threadripper PRO 9955WX

Ryzen Threadripper PRO 3995WX

Ryzen Threadripper 7970X

Xeon w5-2455X

12 / 24

37,109

+1.7%

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

EPYC 7303P

2023

Why buy it

✅+113.3% larger total L3 cache (64 MB vs 30 MB).
✅Costs $445 less on MSRP ($594 MSRP vs $1,039 MSRP).
✅Delivers 72.0% more PassMark for each dollar spent, at 61.4 vs 35.7 PassMark/$ ($594 MSRP vs $1,039 MSRP).
✅Draws 130W instead of 200W, a 70W reduction.
✅100% more PCIe lanes (128 vs 64) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon w5-2455X across 50 shared CPU benchmark tests.
❌Lower PassMark (36,487 vs 37,109).
❌Older platform position on SP3 with DDR4, while Xeon w5-2455X moves to LGA4677 and DDR5.

Xeon w5-2455X

2023

Why buy it

✅Better for gaming: +24.6% 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 (30 MB vs 64 MB).
❌Lower PassMark per dollar, at 35.7 vs 61.4 PassMark/$ ($1,039 MSRP vs $594 MSRP).
❌53.8% higher power demand at 200W vs 130W.

EPYC 7303P

2023

Xeon w5-2455X

2023

Why buy it

✅+113.3% larger total L3 cache (64 MB vs 30 MB).
✅Costs $445 less on MSRP ($594 MSRP vs $1,039 MSRP).
✅Delivers 72.0% more PassMark for each dollar spent, at 61.4 vs 35.7 PassMark/$ ($594 MSRP vs $1,039 MSRP).
✅Draws 130W instead of 200W, a 70W reduction.
✅100% more PCIe lanes (128 vs 64) for storage and expansion-heavy builds.

Why buy it

✅Better for gaming: +24.6% higher average FPS across 50 shared CPU benchmark tests.
✅Newer platform on LGA4677 with DDR5 support instead of SP3 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon w5-2455X across 50 shared CPU benchmark tests.
❌Lower PassMark (36,487 vs 37,109).
❌Older platform position on SP3 with DDR4, while Xeon w5-2455X moves to LGA4677 and DDR5.

Trade-offs

❌Smaller total L3 cache (30 MB vs 64 MB).
❌Lower PassMark per dollar, at 35.7 vs 61.4 PassMark/$ ($1,039 MSRP vs $594 MSRP).
❌53.8% higher power demand at 200W vs 130W.

Quick Answers

So, is Xeon w5-2455X better than EPYC 7303P?

Yes. Xeon w5-2455X is the better overall CPU here. You are getting a 24.6% average FPS lead across 50 shared CPU game tests in our data, 1.7% better PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Xeon w5-2455X is the better pick here. According to our tests, it delivers 24.6% 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 w5-2455X is the better fit. You are getting 1.7% better PassMark, backed by 12 cores and 24 threads.

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

Xeon w5-2455X is still the faster CPU overall, but EPYC 7303P makes more sense if price matters more than absolute performance. Xeon w5-2455X is 74.9% more expensive on MSRP at $1,039 MSRP versus $594 MSRP, and it gives you a 24.6% average FPS lead across 50 shared CPU game tests in our data. EPYC 7303P is also 72.0% better value on MSRP (61.4 vs 35.7 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

Xeon w5-2455X is the more future-proof choice for 2026 and beyond. You are getting a healthier platform with LGA4677 and DDR5 instead of SP3 and more multi-core headroom with 12 cores / 24 threads instead of 16/32. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

EPYC 7303P Benchmark Check

Xeon w5-2455X Benchmark Check

Path of Exile 2

Preset	EPYC 7303P	Xeon w5-2455X
1080p
low	159 FPS	186 FPS
medium	130 FPS	155 FPS
high	109 FPS	129 FPS
ultra	86 FPS	106 FPS
1440p
low	141 FPS	151 FPS
medium	113 FPS	121 FPS
high	89 FPS	98 FPS
ultra	71 FPS	81 FPS
4K
low	68 FPS	83 FPS
medium	57 FPS	71 FPS
high	45 FPS	58 FPS
ultra	37 FPS	45 FPS

Open EPYC 7303P Open Xeon w5-2455X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 7303P	Xeon w5-2455X
1080p
low	390 FPS	589 FPS
medium	346 FPS	493 FPS
high	283 FPS	404 FPS
ultra	225 FPS	363 FPS
1440p
low	329 FPS	500 FPS
medium	297 FPS	435 FPS
high	251 FPS	366 FPS
ultra	192 FPS	314 FPS
4K
low	203 FPS	311 FPS
medium	186 FPS	272 FPS
high	158 FPS	249 FPS
ultra	127 FPS	220 FPS

Open EPYC 7303P Open Xeon w5-2455X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 7303P	Xeon w5-2455X
1080p
low	644 FPS	928 FPS
medium	526 FPS	928 FPS
high	469 FPS	928 FPS
ultra	411 FPS	861 FPS
1440p
low	499 FPS	869 FPS
medium	406 FPS	765 FPS
high	356 FPS	726 FPS
ultra	310 FPS	651 FPS
4K
low	368 FPS	560 FPS
medium	286 FPS	459 FPS
high	244 FPS	417 FPS
ultra	197 FPS	338 FPS

Open EPYC 7303P Open Xeon w5-2455X

League of Legends

League of Legends

Valorant

Preset	EPYC 7303P	Xeon w5-2455X
1080p
low	885 FPS	928 FPS
medium	806 FPS	928 FPS
high	696 FPS	865 FPS
ultra	610 FPS	753 FPS
1440p
low	696 FPS	915 FPS
medium	608 FPS	784 FPS
high	521 FPS	685 FPS
ultra	446 FPS	590 FPS
4K
low	498 FPS	634 FPS
medium	445 FPS	552 FPS
high	390 FPS	495 FPS
ultra	337 FPS	428 FPS

Open EPYC 7303P Open Xeon w5-2455X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 7303P and Xeon w5-2455X

EPYC 7303P

The EPYC 7303P is manufactured by AMD. It was released in 5 September 2023 (2 years ago). It is based on the Milan (2021−2023) architecture. It features 16 cores and 32 threads. Base frequency is 2.4 GHz, with boost up to 3.4 GHz. L3 cache: 64 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: SP3. Thermal design power (TDP): 130 Watt. Memory support: DDR4. Passmark benchmark score: 36,487 points. Launch price was $594.

Xeon w5-2455X

The Xeon w5-2455X 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 12 cores and 24 threads. Base frequency is 3.2 GHz, with boost up to 4.6 GHz. L3 cache: 30 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 200 Watt. Memory support: DDR5-4800. Passmark benchmark score: 37,109 points. Launch price was $1,039.

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Processing Power

The EPYC 7303P packs 16 cores / 32 threads, while the Xeon w5-2455X offers 12 cores / 24 threads — the EPYC 7303P has 4 more cores. Boost clocks reach 3.4 GHz on the EPYC 7303P versus 4.6 GHz on the Xeon w5-2455X — a 30% clock advantage for the Xeon w5-2455X (base: 2.4 GHz vs 3.2 GHz). The EPYC 7303P uses the Milan (2021−2023) architecture (7 nm), while the Xeon w5-2455X uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the EPYC 7303P scores 36,487 against the Xeon w5-2455X's 37,109 — a 1.7% lead for the Xeon w5-2455X. L3 cache: 64 MB (total) on the EPYC 7303P vs 30 MB on the Xeon w5-2455X.

Feature	EPYC 7303P	Xeon w5-2455X
Cores / Threads	16 / 32+33%	12 / 24
Boost Clock	3.4 GHz	4.6 GHz+35%
Base Clock	2.4 GHz	3.2 GHz+33%
L3 Cache	64 MB (total)+113%	30 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	36,487	37,109+2%

🧠

Memory & Platform

The EPYC 7303P uses the SP3 socket (PCIe 4.0), while the Xeon w5-2455X uses LGA4677 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7303P versus 4800 on the Xeon w5-2455X — the Xeon w5-2455X supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7303P supports up to 4096 of RAM compared to 2048 — 66.7% more capacity for professional workloads. Memory channels: 8 (EPYC 7303P) vs 4 (Xeon w5-2455X). PCIe lanes: 128 (EPYC 7303P) vs 64 (Xeon w5-2455X) — the EPYC 7303P offers 64 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7303P) and W790 (Xeon w5-2455X).

Feature	EPYC 7303P	Xeon w5-2455X
Socket	SP3	LGA4677
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	3200	4800+50%
Max RAM Capacity	4096+100%	2048
RAM Channels	8+100%	4
ECC Support	Yes	Yes
PCIe Lanes	128+100%	64

🔧

Advanced Features

Only the Xeon w5-2455X 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. Virtualization support: AMD-V, IOMMU (EPYC 7303P) vs VT-x, VT-d (Xeon w5-2455X). Direct competitor: EPYC 7303P rivals Xeon Gold 6330; Xeon w5-2455X rivals Threadripper 7960X.

Feature	EPYC 7303P	Xeon w5-2455X
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	Yes
AVX-512	Yes	Yes
Virtualization	AMD-V, IOMMU	VT-x, VT-d

💰

Value Analysis

The EPYC 7303P launched at $594 MSRP, while the Xeon w5-2455X debuted at $1039. On MSRP ($594 vs $1039), the EPYC 7303P is $445 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7303P delivers 61.4 pts/$ vs 35.7 pts/$ for the Xeon w5-2455X — making the EPYC 7303P the 52.9% better value option.