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 7343

2021

Why buy it

✅+100% larger total L3 cache (128 MB vs 64 MB).
✅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.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900XT across 4 shared CPU benchmark tests.
❌Lower PassMark (43,644 vs 44,105).
❌Lower PassMark per dollar, at 27.9 vs 126.4 PassMark/$ ($1,565 MSRP vs $349 MSRP).
❌81% higher power demand at 190W vs 105W.

Ryzen 9 5900XT

2024

Why buy it

✅Better for gaming: +25.4% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $1,216 less on MSRP ($349 MSRP vs $1,565 MSRP).
✅Delivers 353.2% more PassMark for each dollar spent, at 126.4 vs 27.9 PassMark/$ ($349 MSRP vs $1,565 MSRP).
✅Draws 105W instead of 190W, a 85W reduction.

Trade-offs

❌Smaller total L3 cache (64 MB vs 128 MB).
❌Less compelling for workstation-style loads than EPYC 7343, which brings 16 cores / 32 threads and 128 PCIe lanes.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

EPYC 7343

2021

Ryzen 9 5900XT

2024

Why buy it

✅+100% larger total L3 cache (128 MB vs 64 MB).
✅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.

Why buy it

✅Better for gaming: +25.4% higher average FPS across 4 shared CPU benchmark tests.
✅Costs $1,216 less on MSRP ($349 MSRP vs $1,565 MSRP).
✅Delivers 353.2% more PassMark for each dollar spent, at 126.4 vs 27.9 PassMark/$ ($349 MSRP vs $1,565 MSRP).
✅Draws 105W instead of 190W, a 85W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 5900XT across 4 shared CPU benchmark tests.
❌Lower PassMark (43,644 vs 44,105).
❌Lower PassMark per dollar, at 27.9 vs 126.4 PassMark/$ ($1,565 MSRP vs $349 MSRP).
❌81% higher power demand at 190W vs 105W.

Trade-offs

❌Smaller total L3 cache (64 MB vs 128 MB).
❌Less compelling for workstation-style loads than EPYC 7343, 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 5900XT better than EPYC 7343?

Not in a simple one-size-fits-all way. EPYC 7343 makes more sense for workstation-style multi-core throughput, while Ryzen 9 5900XT 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 5900XT is the better pick here. According to our tests, it delivers 25.4% more average FPS across 4 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Ryzen 9 5900XT is the better fit. You are getting 1.1% better PassMark, backed by 16 cores and 32 threads.

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

Ryzen 9 5900XT is the smarter buy today. Ryzen 9 5900XT is $1,216 cheaper on MSRP at $349 MSRP versus $1,565 MSRP, and it gives you a 25.4% average FPS lead across 4 shared CPU game tests in our data. It is also 353.2% better value on MSRP (126.4 vs 27.9 PassMark/$), 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?

Ryzen 9 5900XT is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2021) and more multi-core headroom with 16 cores / 32 threads instead of 16/32. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

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 7343 Benchmark Check

Ryzen 9 5900XT Benchmark Check

Path of Exile 2

Preset	EPYC 7343	Ryzen 9 5900XT
1080p
low	167 FPS	285 FPS
medium	137 FPS	260 FPS
high	116 FPS	214 FPS
ultra	91 FPS	181 FPS
1440p
low	147 FPS	261 FPS
medium	118 FPS	216 FPS
high	95 FPS	167 FPS
ultra	75 FPS	148 FPS
4K
low	69 FPS	181 FPS
medium	59 FPS	150 FPS
high	46 FPS	115 FPS
ultra	38 FPS	102 FPS

Open EPYC 7343 Open Ryzen 9 5900XT

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 7343	Ryzen 9 5900XT
1080p
low	506 FPS	667 FPS
medium	442 FPS	573 FPS
high	354 FPS	456 FPS
ultra	288 FPS	402 FPS
1440p
low	415 FPS	538 FPS
medium	372 FPS	475 FPS
high	307 FPS	398 FPS
ultra	242 FPS	325 FPS
4K
low	256 FPS	316 FPS
medium	233 FPS	280 FPS
high	205 FPS	257 FPS
ultra	170 FPS	228 FPS

Open EPYC 7343 Open Ryzen 9 5900XT

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 7343	Ryzen 9 5900XT
1080p
low	665 FPS	839 FPS
medium	555 FPS	667 FPS
high	518 FPS	594 FPS
ultra	451 FPS	504 FPS
1440p
low	504 FPS	665 FPS
medium	419 FPS	527 FPS
high	385 FPS	458 FPS
ultra	333 FPS	386 FPS
4K
low	372 FPS	474 FPS
medium	290 FPS	392 FPS
high	260 FPS	349 FPS
ultra	209 FPS	290 FPS

Open EPYC 7343 Open Ryzen 9 5900XT

League of Legends

League of Legends

Valorant

Preset	EPYC 7343	Ryzen 9 5900XT
1080p
low	936 FPS	1073 FPS
medium	856 FPS	972 FPS
high	734 FPS	850 FPS
ultra	648 FPS	766 FPS
1440p
low	747 FPS	846 FPS
medium	654 FPS	751 FPS
high	558 FPS	657 FPS
ultra	477 FPS	570 FPS
4K
low	536 FPS	622 FPS
medium	481 FPS	556 FPS
high	421 FPS	491 FPS
ultra	364 FPS	425 FPS

Open EPYC 7343 Open Ryzen 9 5900XT

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 7343 and Ryzen 9 5900XT

EPYC 7343

The EPYC 7343 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 16 cores and 32 threads. Base frequency is 3.2 GHz, with boost up to 3.9 GHz. L3 cache: 128 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 190 Watt. Memory support: DDR4-3200. Passmark benchmark score: 43,644 points. Launch price was $1,565.

Ryzen 9 5900XT

The Ryzen 9 5900XT is manufactured by AMD. It was released in 31 July 2024 (1 year ago). It is based on the Vermeer (2020−2025) architecture. It features 16 cores and 32 threads. Base frequency is 3.3 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 44,105 points. Launch price was $349.

⚡

Processing Power

Both the EPYC 7343 and Ryzen 9 5900XT share an identical 16-core/32-thread configuration. Boost clocks reach 3.9 GHz on the EPYC 7343 versus 4.8 GHz on the Ryzen 9 5900XT — a 20.7% clock advantage for the Ryzen 9 5900XT (base: 3.2 GHz vs 3.3 GHz). The EPYC 7343 uses the Milan (2021−2023) architecture (7 nm+), while the Ryzen 9 5900XT uses Vermeer (2020−2025) (7 nm). In PassMark, the EPYC 7343 scores 43,644 against the Ryzen 9 5900XT's 44,105 — a 1.1% lead for the Ryzen 9 5900XT. L3 cache: 128 MB (total) on the EPYC 7343 vs 64 MB on the Ryzen 9 5900XT.

Feature	EPYC 7343	Ryzen 9 5900XT
Cores / Threads	16 / 32	16 / 32
Boost Clock	3.9 GHz	4.8 GHz+23%
Base Clock	3.2 GHz	3.3 GHz+3%
L3 Cache	128 MB (total)+100%	64 MB
L2 Cache	512 kB (per core)	512 kB (per core)
Process	7 nm+	7 nm
Architecture	Milan (2021−2023)	Vermeer (2020−2025)
PassMark	43,644	44,105+1%
Cinebench R23 Multi	—	22,000
Geekbench 6 Single	—	2,320
Geekbench 6 Multi	—	14,000

🧠

Memory & Platform

The EPYC 7343 uses the SP3 socket (PCIe 4.0), while the Ryzen 9 5900XT uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7343 versus DDR4-3200 on the Ryzen 9 5900XT — the EPYC 7343 supports 199.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7343 supports up to 4096 of RAM compared to 128 GB — 187.9% more capacity for professional workloads. Memory channels: 8 (EPYC 7343) vs 2 (Ryzen 9 5900XT). PCIe lanes: 128 (EPYC 7343) vs 24 (Ryzen 9 5900XT) — the EPYC 7343 offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7343) and X570,B550,A520,X470,B450 (Ryzen 9 5900XT).

Feature	EPYC 7343	Ryzen 9 5900XT
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 5900XT has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the EPYC 7343 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, AMD-V (EPYC 7343) vs AMD-V (Ryzen 9 5900XT). Primary use case: Ryzen 9 5900XT targets High End Desktop. Direct competitor: EPYC 7343 rivals Xeon Gold 6248.

Feature	EPYC 7343	Ryzen 9 5900XT
Integrated GPU	No	No
IGPU Model	None	—
Unlocked	No	Yes
AVX-512	Yes	No
Virtualization	VT-x, VT-d, AMD-V	AMD-V
Target Use	—	High End Desktop

💰

Value Analysis

The EPYC 7343 launched at $1565 MSRP, while the Ryzen 9 5900XT debuted at $349. On MSRP ($1565 vs $349), the Ryzen 9 5900XT is $1216 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7343 delivers 27.9 pts/$ vs 126.4 pts/$ for the Ryzen 9 5900XT — making the Ryzen 9 5900XT the 127.7% better value option.