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

✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 128 PCIe lanes vs 24.
✅433.3% more PCIe lanes (128 vs 24) for storage and expansion-heavy builds.
✅AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
❌Lower PassMark (36,487 vs 38,955).
❌Lower PassMark per dollar, at 61.4 vs 71.0 PassMark/$ ($594 MSRP vs $549 MSRP).
❌23.8% higher power demand at 130W vs 105W.

Ryzen 9 5900X

2020

Why buy it

✅Better for gaming: +41.0% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $45 less on MSRP ($549 MSRP vs $594 MSRP).
✅Delivers 15.5% more PassMark for each dollar spent, at 71.0 vs 61.4 PassMark/$ ($549 MSRP vs $594 MSRP).
✅Draws 105W instead of 130W, a 25W reduction.

Trade-offs

❌Less compelling for workstation-style loads than EPYC 7303P, which brings 16 cores / 32 threads and 128 PCIe lanes.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

EPYC 7303P

2023

Ryzen 9 5900X

2020

Why buy it

✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 128 PCIe lanes vs 24.
✅433.3% more PCIe lanes (128 vs 24) for storage and expansion-heavy builds.
✅AVX-512 support for select workstation, AI, and scientific workloads.

Why buy it

✅Better for gaming: +41.0% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $45 less on MSRP ($549 MSRP vs $594 MSRP).
✅Delivers 15.5% more PassMark for each dollar spent, at 71.0 vs 61.4 PassMark/$ ($549 MSRP vs $594 MSRP).
✅Draws 105W instead of 130W, a 25W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
❌Lower PassMark (36,487 vs 38,955).
❌Lower PassMark per dollar, at 61.4 vs 71.0 PassMark/$ ($594 MSRP vs $549 MSRP).
❌23.8% higher power demand at 130W vs 105W.

Trade-offs

❌Less compelling for workstation-style loads than EPYC 7303P, which brings 16 cores / 32 threads and 128 PCIe lanes.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Quick Answers

So, is Ryzen 9 5900X better than EPYC 7303P?

Not in a simple one-size-fits-all way. EPYC 7303P makes more sense for workstation-style multi-core throughput, while Ryzen 9 5900X is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

Which one is better for gaming?

If gaming is the priority, Ryzen 9 5900X is the better pick here. According to our tests, it delivers 41.0% 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, Ryzen 9 5900X is the better fit. You are getting 6.8% better PassMark, backed by 12 cores and 24 threads.

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

Ryzen 9 5900X is the smarter buy today. Ryzen 9 5900X is $45 cheaper on MSRP at $549 MSRP versus $594 MSRP, and it gives you a 41.0% average FPS lead across 50 shared CPU game tests in our data. It is also 15.5% better value on MSRP (71.0 vs 61.4 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.

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

EPYC 7303P is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020) and AVX-512 support for heavier modern compute workloads. That makes it the safer long-term pick.

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

Ryzen 9 5900X Benchmark Check

Path of Exile 2

Preset	EPYC 7303P	Ryzen 9 5900X
1080p
low	159 FPS	323 FPS
medium	130 FPS	291 FPS
high	109 FPS	243 FPS
ultra	86 FPS	193 FPS
1440p
low	141 FPS	307 FPS
medium	113 FPS	248 FPS
high	89 FPS	192 FPS
ultra	71 FPS	157 FPS
4K
low	68 FPS	193 FPS
medium	57 FPS	156 FPS
high	45 FPS	115 FPS
ultra	37 FPS	103 FPS

Open EPYC 7303P Open Ryzen 9 5900X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 7303P	Ryzen 9 5900X
1080p
low	390 FPS	772 FPS
medium	346 FPS	647 FPS
high	283 FPS	508 FPS
ultra	225 FPS	450 FPS
1440p
low	329 FPS	619 FPS
medium	297 FPS	536 FPS
high	251 FPS	443 FPS
ultra	192 FPS	364 FPS
4K
low	203 FPS	365 FPS
medium	186 FPS	318 FPS
high	158 FPS	289 FPS
ultra	127 FPS	255 FPS

Open EPYC 7303P Open Ryzen 9 5900X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 7303P	Ryzen 9 5900X
1080p
low	644 FPS	832 FPS
medium	526 FPS	645 FPS
high	469 FPS	558 FPS
ultra	411 FPS	459 FPS
1440p
low	499 FPS	721 FPS
medium	406 FPS	565 FPS
high	356 FPS	488 FPS
ultra	310 FPS	407 FPS
4K
low	368 FPS	511 FPS
medium	286 FPS	421 FPS
high	244 FPS	374 FPS
ultra	197 FPS	308 FPS

Open EPYC 7303P Open Ryzen 9 5900X

League of Legends

League of Legends

Valorant

Preset	EPYC 7303P	Ryzen 9 5900X
1080p
low	885 FPS	974 FPS
medium	806 FPS	974 FPS
high	696 FPS	934 FPS
ultra	610 FPS	826 FPS
1440p
low	696 FPS	959 FPS
medium	608 FPS	843 FPS
high	521 FPS	726 FPS
ultra	446 FPS	617 FPS
4K
low	498 FPS	694 FPS
medium	445 FPS	621 FPS
high	390 FPS	541 FPS
ultra	337 FPS	437 FPS

Open EPYC 7303P Open Ryzen 9 5900X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 7303P and Ryzen 9 5900X

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.

Ryzen 9 5900X

The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.

⚡

Processing Power

The EPYC 7303P packs 16 cores / 32 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the EPYC 7303P has 4 more cores. Boost clocks reach 3.4 GHz on the EPYC 7303P versus 4.8 GHz on the Ryzen 9 5900X — a 34.1% clock advantage for the Ryzen 9 5900X (base: 2.4 GHz vs 3.7 GHz). The EPYC 7303P uses the Milan (2021−2023) architecture (7 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the EPYC 7303P scores 36,487 against the Ryzen 9 5900X's 38,955 — a 6.5% lead for the Ryzen 9 5900X. L3 cache: 64 MB (total) on the EPYC 7303P vs 64 MB on the Ryzen 9 5900X.

Feature	EPYC 7303P	Ryzen 9 5900X
Cores / Threads	16 / 32+33%	12 / 24
Boost Clock	3.4 GHz	4.8 GHz+41%
Base Clock	2.4 GHz	3.7 GHz+54%
L3 Cache	64 MB (total)	64 MB
L2 Cache	512 kB (per core)	512K (per core)
Process	7 nm	7 nm, 12 nm
Architecture	Milan (2021−2023)	Vermeer (Zen3) (2020−2022)
PassMark	36,487	38,955+7%
Cinebench R23 Multi	—	21,000
Geekbench 6 Single	—	2,174
Geekbench 6 Multi	—	11,888

🧠

Memory & Platform

The EPYC 7303P uses the SP3 socket (PCIe 4.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7303P versus DDR4-3200 on the Ryzen 9 5900X — the EPYC 7303P supports 199.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7303P supports up to 4096 of RAM compared to 128 GB — 187.9% more capacity for professional workloads. Memory channels: 8 (EPYC 7303P) vs 2 (Ryzen 9 5900X). PCIe lanes: 128 (EPYC 7303P) vs 24 (Ryzen 9 5900X) — the EPYC 7303P offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7303P) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).

Feature	EPYC 7303P	Ryzen 9 5900X
Socket	SP3	AM4
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	3200+79900%	DDR4-3200
Max RAM Capacity	4096	128 GB+3276700%
RAM Channels	8+300%	2
ECC Support	Yes	Yes
PCIe Lanes	128+433%	24

🔧

Advanced Features

Only the Ryzen 9 5900X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the EPYC 7303P supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V, IOMMU (EPYC 7303P) vs AMD-V (Ryzen 9 5900X). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: EPYC 7303P rivals Xeon Gold 6330; Ryzen 9 5900X rivals Core i9-12900K.

Feature	EPYC 7303P	Ryzen 9 5900X
Integrated GPU	No	No
IGPU Model	None	—
Unlocked	No	Yes
AVX-512	Yes	No
Virtualization	AMD-V, IOMMU	AMD-V
Target Use	—	Workstation

💰

Value Analysis

The EPYC 7303P launched at $594 MSRP, while the Ryzen 9 5900X debuted at $549. On MSRP ($594 vs $549), the Ryzen 9 5900X is $45 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7303P delivers 61.4 pts/$ vs 71.0 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 14.4% better value option.