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 7573X

2022

Why buy it

✅+500% larger total L3 cache (768 MB vs 128 MB).
✅33.3% more PCIe lanes (128 vs 96) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 12.4 vs 43.8 PassMark/$ ($5,590 MSRP vs $1,517 MSRP).
❌40% higher power demand at 280W vs 200W.
❌Older platform position on SP3 with DDR4, while EPYC 8434P moves to SP6 and DDR5.

EPYC 8434P

2023

Why buy it

✅Costs $4,073 less on MSRP ($1,517 MSRP vs $5,590 MSRP).
✅Delivers 252.9% more PassMark for each dollar spent, at 43.8 vs 12.4 PassMark/$ ($1,517 MSRP vs $5,590 MSRP).
✅Draws 200W instead of 280W, a 80W reduction.
✅Newer platform on SP6 with DDR5 support instead of SP3 and DDR4.

Trade-offs

❌Lower PassMark (66,490 vs 69,432).
❌Smaller total L3 cache (128 MB vs 768 MB).

EPYC 7573X

2022

EPYC 8434P

2023

Why buy it

✅+500% larger total L3 cache (768 MB vs 128 MB).
✅33.3% more PCIe lanes (128 vs 96) for storage and expansion-heavy builds.

Why buy it

✅Costs $4,073 less on MSRP ($1,517 MSRP vs $5,590 MSRP).
✅Delivers 252.9% more PassMark for each dollar spent, at 43.8 vs 12.4 PassMark/$ ($1,517 MSRP vs $5,590 MSRP).
✅Draws 200W instead of 280W, a 80W reduction.
✅Newer platform on SP6 with DDR5 support instead of SP3 and DDR4.

Trade-offs

❌Lower PassMark per dollar, at 12.4 vs 43.8 PassMark/$ ($5,590 MSRP vs $1,517 MSRP).
❌40% higher power demand at 280W vs 200W.
❌Older platform position on SP3 with DDR4, while EPYC 8434P moves to SP6 and DDR5.

Trade-offs

❌Lower PassMark (66,490 vs 69,432).
❌Smaller total L3 cache (128 MB vs 768 MB).

Quick Answers

So, is EPYC 7573X better than EPYC 8434P?

Yes. EPYC 7573X is the better overall CPU here. You are getting a 1.9% average FPS lead across 4 shared CPU game tests in our data and 4.4% better PassMark, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, EPYC 7573X is the better pick here. According to our tests, it delivers 1.9% 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, EPYC 7573X is the better fit. You are getting 4.4% better PassMark, backed by 32 cores and 64 threads. It also carries the larger cache pool with 500% larger total L3 cache (768 MB vs 128 MB).

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

EPYC 7573X is still the faster CPU overall, but EPYC 8434P makes more sense if price matters more than absolute performance. EPYC 7573X is 268.5% more expensive on MSRP at $5,590 MSRP versus $1,517 MSRP, and it gives you a 1.9% average FPS lead across 4 shared CPU game tests in our data. EPYC 8434P is also 252.9% better value on MSRP (43.8 vs 12.4 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

EPYC 8434P is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2022), a healthier platform with SP6 and DDR5 instead of SP3, and AVX-512 support for heavier modern compute workloads. 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 7573X Benchmark Check

EPYC 8434P Benchmark Check

Path of Exile 2

Preset	EPYC 7573X	EPYC 8434P
1080p
low	205 FPS	159 FPS
medium	167 FPS	131 FPS
high	136 FPS	110 FPS
ultra	105 FPS	87 FPS
1440p
low	163 FPS	142 FPS
medium	127 FPS	114 FPS
high	100 FPS	90 FPS
ultra	79 FPS	72 FPS
4K
low	74 FPS	68 FPS
medium	61 FPS	58 FPS
high	48 FPS	45 FPS
ultra	40 FPS	37 FPS

Open EPYC 7573X Open EPYC 8434P

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 7573X	EPYC 8434P
1080p
low	463 FPS	419 FPS
medium	407 FPS	369 FPS
high	329 FPS	300 FPS
ultra	259 FPS	236 FPS
1440p
low	381 FPS	344 FPS
medium	343 FPS	311 FPS
high	286 FPS	260 FPS
ultra	218 FPS	199 FPS
4K
low	234 FPS	212 FPS
medium	215 FPS	195 FPS
high	180 FPS	163 FPS
ultra	144 FPS	132 FPS

Open EPYC 7573X Open EPYC 8434P

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 7573X	EPYC 8434P
1080p
low	865 FPS	860 FPS
medium	717 FPS	786 FPS
high	668 FPS	760 FPS
ultra	590 FPS	682 FPS
1440p
low	622 FPS	663 FPS
medium	514 FPS	587 FPS
high	472 FPS	558 FPS
ultra	412 FPS	498 FPS
4K
low	444 FPS	435 FPS
medium	345 FPS	344 FPS
high	308 FPS	307 FPS
ultra	249 FPS	250 FPS

Open EPYC 7573X Open EPYC 8434P

League of Legends

League of Legends

Valorant

Preset	EPYC 7573X	EPYC 8434P
1080p
low	992 FPS	1023 FPS
medium	900 FPS	913 FPS
high	775 FPS	772 FPS
ultra	671 FPS	651 FPS
1440p
low	767 FPS	833 FPS
medium	668 FPS	712 FPS
high	572 FPS	598 FPS
ultra	492 FPS	492 FPS
4K
low	550 FPS	600 FPS
medium	490 FPS	524 FPS
high	430 FPS	451 FPS
ultra	372 FPS	376 FPS

Open EPYC 7573X Open EPYC 8434P

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 7573X and EPYC 8434P

EPYC 7573X

The EPYC 7573X is manufactured by AMD. It was released in 2022-03-01. It is based on the Milan-X (2022) architecture. It features 32 cores and 64 threads. Base frequency is 2.8 GHz, with boost up to 3.6 GHz. L3 cache: 768 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: SP3. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 69,432 points. Launch price was $5,590.

EPYC 8434P

The EPYC 8434P is manufactured by AMD. It was released in 18 September 2023 (2 years ago). It is based on the Siena (2023−2024) architecture. It features 48 cores and 96 threads. Base frequency is 2.5 GHz, with boost up to 3.1 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: SP6. Thermal design power (TDP): 200 Watt. Memory support: DDR5. Passmark benchmark score: 66,490 points. Launch price was $2,700.

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Processing Power

The EPYC 7573X packs 32 cores / 64 threads, while the EPYC 8434P offers 48 cores / 96 threads — the EPYC 8434P has 16 more cores. Boost clocks reach 3.6 GHz on the EPYC 7573X versus 3.1 GHz on the EPYC 8434P — a 14.9% clock advantage for the EPYC 7573X (base: 2.8 GHz vs 2.5 GHz). The EPYC 7573X uses the Milan-X (2022) architecture (7 nm), while the EPYC 8434P uses Siena (2023−2024) (5 nm). In PassMark, the EPYC 7573X scores 69,432 against the EPYC 8434P's 66,490 — a 4.3% lead for the EPYC 7573X. L3 cache: 768 MB (total) on the EPYC 7573X vs 128 MB (total) on the EPYC 8434P.

Feature	EPYC 7573X	EPYC 8434P
Cores / Threads	32 / 64	48 / 96+50%
Boost Clock	3.6 GHz+16%	3.1 GHz
Base Clock	2.8 GHz+12%	2.5 GHz
L3 Cache	768 MB (total)+500%	128 MB (total)
L2 Cache	512K (per core)	1 MB (per core)+100%
Process	7 nm	5 nm-29%
Architecture	Milan-X (2022)	Siena (2023−2024)
PassMark	69,432+4%	66,490

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Memory & Platform

The EPYC 7573X uses the SP3 socket (PCIe 4.0), while the EPYC 8434P uses SP6 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7573X versus 4800 on the EPYC 8434P — the EPYC 8434P supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7573X supports up to 4096 of RAM compared to 1152 — 112.2% more capacity for professional workloads. Memory channels: 8 (EPYC 7573X) vs 6 (EPYC 8434P). PCIe lanes: 128 (EPYC 7573X) vs 96 (EPYC 8434P) — the EPYC 7573X offers 32 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7573X) and SP6 (EPYC 8434P).

Feature	EPYC 7573X	EPYC 8434P
Socket	SP3	SP6
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	3200	4800+50%
Max RAM Capacity	4096+256%	1152
RAM Channels	8+33%	6
ECC Support	Yes	Yes
PCIe Lanes	128+33%	96

🔧

Advanced Features

Neither processor supports overclocking. Only the EPYC 8434P supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Direct competitor: EPYC 7573X rivals Xeon Platinum 8280; EPYC 8434P rivals Xeon Platinum 8452Y.

Feature	EPYC 7573X	EPYC 8434P
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	No
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d

💰

Value Analysis

The EPYC 7573X launched at $5590 MSRP, while the EPYC 8434P debuted at $1517. On MSRP ($5590 vs $1517), the EPYC 8434P is $4073 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7573X delivers 12.4 pts/$ vs 43.8 pts/$ for the EPYC 8434P — making the EPYC 8434P the 111.7% better value option.