EPYC 4345P
EPYC 8124P
EPYC 4345P vs EPYC 8124P Performance Spectrum
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.
EPYC 4345P vs EPYC 8124P FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.
Path of Exile 2
Counter-Strike 2
League of Legends
Valorant
Among Us
Apex Legends
ARC Raiders
Baldur's Gate 3
Call of Duty: Black Ops 6
EPYC 4345P vs EPYC 8124P: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
EPYC 4345P
2025Why buy it
- ✅Better for gaming: +18.8% higher average FPS across 50 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 $639 MSRP).
- ✅Draws 65W instead of 125W, a 60W reduction.
- ✅Integrated graphics onboard with AMD Radeon Graphics, while EPYC 8124P needs a discrete GPU.
Trade-offs
- ❌Lower PassMark (36,006 vs 36,079).
- ❌Smaller total L3 cache (32 MB vs 64 MB).
EPYC 8124P
2023Why buy it
- ✅+0.2% higher PassMark.
- ✅+100% larger total L3 cache (64 MB vs 32 MB).
- ✅242.9% more PCIe lanes (96 vs 28) for storage and expansion-heavy builds.
Trade-offs
- ❌Worse for gaming: lower average FPS than EPYC 4345P across 50 shared CPU benchmark tests.
- ❌Lower PassMark per dollar, at 56.5 vs 109.4 PassMark/$ ($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?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
EPYC 4345P vs EPYC 8124P Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
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.
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 |
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 16.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 8124P supports up to 2048 of RAM compared to 128 — 1500% 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
At launch, the EPYC 4345P was priced at $329, while the EPYC 8124P came in at $639. On launch pricing ($329 vs $639), EPYC 4345P was $310 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 4345P delivers 109.4 pts/$ vs 56.5 pts/$ for the EPYC 8124P — making the EPYC 4345P the 63.9% better value option.
| Feature | EPYC 4345P | EPYC 8124P |
|---|---|---|
| MSRP | $329-49% | $639 |
| Performance per Dollar | 109.4+94% | 56.5 |
| Release Date | 2025 | 2023 |
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