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 4345P

2025

Why buy it

✅Better for gaming: +16.1% higher average FPS across 5 shared CPU benchmark tests.
✅Costs $310 less on MSRP ($329 MSRP vs $639 MSRP).
✅Delivers 93.8% more PassMark for each dollar spent, at 109.4 vs 56.5 PassMark/$ ($329 MSRP vs $639 MSRP).
✅Draws 65W instead of 125W, a 60W reduction.
✅Integrated graphics onboard with AMD Radeon Graphics, while EPYC 8124P needs a discrete GPU.

Trade-offs

❌Lower PassMark (36,006 vs 36,079).
❌Smaller total L3 cache (32 MB vs 64 MB).

EPYC 8124P

2023

Why buy it

✅+0.2% higher PassMark.
✅+100% larger total L3 cache (64 MB vs 32 MB).
✅242.9% more PCIe lanes (96 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 4345P across 5 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 56.5 vs 109.4 PassMark/$ ($639 MSRP vs $329 MSRP).
❌92.3% higher power demand at 125W vs 65W.
❌No integrated graphics, while EPYC 4345P can still boot and troubleshoot without a discrete GPU.

EPYC 4345P

2025

EPYC 8124P

2023

Why buy it

✅Better for gaming: +16.1% higher average FPS across 5 shared CPU benchmark tests.
✅Costs $310 less on MSRP ($329 MSRP vs $639 MSRP).
✅Delivers 93.8% more PassMark for each dollar spent, at 109.4 vs 56.5 PassMark/$ ($329 MSRP vs $639 MSRP).
✅Draws 65W instead of 125W, a 60W reduction.
✅Integrated graphics onboard with AMD Radeon Graphics, while EPYC 8124P needs a discrete GPU.

Why buy it

✅+0.2% higher PassMark.
✅+100% larger total L3 cache (64 MB vs 32 MB).
✅242.9% more PCIe lanes (96 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (36,006 vs 36,079).
❌Smaller total L3 cache (32 MB vs 64 MB).

Trade-offs

❌Worse for gaming: lower average FPS than EPYC 4345P across 5 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 56.5 vs 109.4 PassMark/$ ($639 MSRP vs $329 MSRP).
❌92.3% higher power demand at 125W vs 65W.
❌No integrated graphics, while EPYC 4345P can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is EPYC 4345P better than EPYC 8124P?

It depends on what matters more to you. For gaming, EPYC 4345P is ahead with a 16.1% average FPS lead across 5 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, EPYC 8124P pulls ahead with 0.2% better PassMark. EPYC 8124P also has the bigger cache pool with 100% larger total L3 cache (64 MB vs 32 MB).

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

For streaming, content creation, and heavier multitasking, EPYC 8124P is the better fit. You are getting 0.2% better PassMark, backed by 16 cores and 32 threads. It also carries the larger cache pool with 100% larger total L3 cache (64 MB vs 32 MB).

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

EPYC 4345P is the smarter buy today. EPYC 4345P is $310 cheaper on MSRP at $329 MSRP versus $639 MSRP, and it gives you a 16.1% average FPS lead across 5 shared CPU game tests in our data. The trade-off is that EPYC 8124P is still stronger for heavier multi-core work with 0.2% better PassMark. It is also 93.8% better value on MSRP (109.4 vs 56.5 PassMark/$), 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 4345P is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2023). 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 4345P Benchmark Check

EPYC 8124P Benchmark Check

Path of Exile 2

Preset	EPYC 4345P	EPYC 8124P
1080p
low	257 FPS	153 FPS
medium	239 FPS	125 FPS
high	207 FPS	105 FPS
ultra	178 FPS	83 FPS
1440p
low	220 FPS	139 FPS
medium	185 FPS	111 FPS
high	153 FPS	87 FPS
ultra	134 FPS	70 FPS
4K
low	153 FPS	67 FPS
medium	128 FPS	57 FPS
high	100 FPS	44 FPS
ultra	86 FPS	36 FPS

Open EPYC 4345P Open EPYC 8124P

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	EPYC 4345P	EPYC 8124P
1080p
low	630 FPS	387 FPS
medium	526 FPS	344 FPS
high	436 FPS	281 FPS
ultra	393 FPS	224 FPS
1440p
low	537 FPS	327 FPS
medium	470 FPS	296 FPS
high	395 FPS	250 FPS
ultra	337 FPS	191 FPS
4K
low	315 FPS	202 FPS
medium	281 FPS	186 FPS
high	265 FPS	157 FPS
ultra	232 FPS	127 FPS

Open EPYC 4345P Open EPYC 8124P

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	EPYC 4345P	EPYC 8124P
1080p
low	900 FPS	856 FPS
medium	747 FPS	767 FPS
high	664 FPS	743 FPS
ultra	570 FPS	667 FPS
1440p
low	725 FPS	660 FPS
medium	581 FPS	573 FPS
high	504 FPS	546 FPS
ultra	425 FPS	487 FPS
4K
low	501 FPS	432 FPS
medium	415 FPS	341 FPS
high	373 FPS	305 FPS
ultra	311 FPS	250 FPS

Open EPYC 4345P Open EPYC 8124P

League of Legends

League of Legends

Valorant

Preset	EPYC 4345P	EPYC 8124P
1080p
low	900 FPS	902 FPS
medium	900 FPS	902 FPS
high	856 FPS	769 FPS
ultra	772 FPS	647 FPS
1440p
low	855 FPS	823 FPS
medium	756 FPS	707 FPS
high	663 FPS	596 FPS
ultra	579 FPS	488 FPS
4K
low	570 FPS	596 FPS
medium	509 FPS	521 FPS
high	459 FPS	449 FPS
ultra	400 FPS	372 FPS

Open EPYC 4345P Open EPYC 8124P

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of EPYC 4345P and EPYC 8124P

EPYC 4345P

The EPYC 4345P is manufactured by AMD. It was released in 13 May 2025 (less than a year ago). It is based on the Grado (2025) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 5.5 GHz. L3 cache: 32 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 36,006 points. Launch price was $329.

EPYC 8124P

The EPYC 8124P 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 16 cores and 32 threads. Base frequency is 2.45 GHz, with boost up to 3 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: SP6. Thermal design power (TDP): 125 Watt. Memory support: DDR5. Passmark benchmark score: 36,079 points. Launch price was $639.

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Processing Power

The EPYC 4345P packs 8 cores / 16 threads, while the EPYC 8124P offers 16 cores / 32 threads — the EPYC 8124P has 8 more cores. Boost clocks reach 5.5 GHz on the EPYC 4345P versus 3 GHz on the EPYC 8124P — a 58.8% clock advantage for the EPYC 4345P (base: 3.8 GHz vs 2.45 GHz). The EPYC 4345P uses the Grado (2025) architecture (4 nm), while the EPYC 8124P uses Siena (2023−2024) (5 nm). In PassMark, the EPYC 4345P scores 36,006 against the EPYC 8124P's 36,079 — a 0.2% lead for the EPYC 8124P. L3 cache: 32 MB (total) on the EPYC 4345P vs 64 MB (total) on the EPYC 8124P.

Feature	EPYC 4345P	EPYC 8124P
Cores / Threads	8 / 16	16 / 32+100%
Boost Clock	5.5 GHz+83%	3 GHz
Base Clock	3.8 GHz+55%	2.45 GHz
L3 Cache	32 MB (total)	64 MB (total)+100%
L2 Cache	1 MB (per core)	1 MB (per core)
Process	4 nm-20%	5 nm
Architecture	Grado (2025)	Siena (2023−2024)
PassMark	36,006	36,079

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Memory & Platform

The EPYC 4345P uses the AM5 socket (PCIe 4.0), while the EPYC 8124P uses SP6 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the EPYC 4345P versus 4800 on the EPYC 8124P — the EPYC 4345P supports 15.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 8124P supports up to 2048 of RAM compared to 128 — 176.5% more capacity for professional workloads. Memory channels: 2 (EPYC 4345P) vs 6 (EPYC 8124P). PCIe lanes: 28 (EPYC 4345P) vs 96 (EPYC 8124P) — the EPYC 8124P offers 68 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM5 (EPYC 4345P) and SP6 (EPYC 8124P).

Feature	EPYC 4345P	EPYC 8124P
Socket	AM5	SP6
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	5600+17%	4800
Max RAM Capacity	128	2048+1500%
RAM Channels	2	6+200%
ECC Support	Yes	Yes
PCIe Lanes	28	96+243%

🔧

Advanced Features

Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support AMD-V, IOMMU virtualization. The EPYC 4345P includes integrated graphics (AMD Radeon Graphics), while the EPYC 8124P requires a dedicated GPU. Direct competitor: EPYC 4345P rivals Xeon E-2488; EPYC 8124P rivals Xeon Gold 6426Y.

Feature	EPYC 4345P	EPYC 8124P
Integrated GPU	Yes	No
IGPU Model	AMD Radeon Graphics	None
Unlocked	No	No
AVX-512	Yes	Yes
Virtualization	AMD-V, IOMMU	AMD-V, IOMMU

💰

Value Analysis

The EPYC 4345P launched at $329 MSRP, while the EPYC 8124P debuted at $639. On MSRP ($329 vs $639), the EPYC 4345P is $310 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 4345P delivers 109.4 pts/$ vs 56.5 pts/$ for the EPYC 8124P — making the EPYC 4345P the 63.9% better value option.