EPYC 8124P
Ryzen 9 5900X
EPYC 8124P vs Ryzen 9 5900X 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 8124P vs Ryzen 9 5900X 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 8124P vs Ryzen 9 5900X: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
EPYC 8124P
2023Why buy it
- ✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 96 PCIe lanes vs 24.
- ✅Newer platform on SP6 with DDR5 support instead of AM4 and DDR4.
- ✅300% more PCIe lanes (96 vs 24) for storage and expansion-heavy builds.
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
- ❌Lower PassMark (36,079 vs 38,955).
- ❌Lower PassMark per dollar, at 56.5 vs 71.0 PassMark/$ ($639 MSRP vs $549 MSRP).
- ❌19% higher power demand at 125W vs 105W.
Ryzen 9 5900X
2020Why buy it
- ✅Better for gaming: +30.3% higher average FPS across 50 shared CPU benchmark tests.
- ✅Costs $90 less on MSRP ($549 MSRP vs $639 MSRP).
- ✅Delivers 25.7% more PassMark for each dollar spent, at 71.0 vs 56.5 PassMark/$ ($549 MSRP vs $639 MSRP).
- ✅Draws 105W instead of 125W, a 20W reduction.
Trade-offs
- ❌Less compelling for workstation-style loads than EPYC 8124P, which brings 16 cores / 32 threads and 96 PCIe lanes.
- ❌Older platform position on AM4 with DDR4, while EPYC 8124P moves to SP6 and DDR5.
- ❌No AVX-512 support for niche heavy compute workloads where it can matter.
Quick Answers
So, is Ryzen 9 5900X better than EPYC 8124P?
Which one is better for gaming?
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 8124P vs Ryzen 9 5900X Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
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.
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 8124P packs 16 cores / 32 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the EPYC 8124P has 4 more cores. Boost clocks reach 3 GHz on the EPYC 8124P versus 4.8 GHz on the Ryzen 9 5900X — a 46.2% clock advantage for the Ryzen 9 5900X (base: 2.45 GHz vs 3.7 GHz). The EPYC 8124P uses the Siena (2023−2024) architecture (5 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the EPYC 8124P scores 36,079 against the Ryzen 9 5900X's 38,955 — a 7.7% lead for the Ryzen 9 5900X. L3 cache: 64 MB (total) on the EPYC 8124P vs 64 MB on the Ryzen 9 5900X.
| Feature | EPYC 8124P | Ryzen 9 5900X |
|---|---|---|
| Cores / Threads | 16 / 32+33% | 12 / 24 |
| Boost Clock | 3 GHz | 4.8 GHz+60% |
| Base Clock | 2.45 GHz | 3.7 GHz+51% |
| L3 Cache | 64 MB (total) | 64 MB |
| L2 Cache | 1 MB (per core) | 512K (per core)+51100% |
| Process | 5 nm-29% | 7 nm, 12 nm |
| Architecture | Siena (2023−2024) | Vermeer (Zen3) (2020−2022) |
| PassMark | 36,079 | 38,955+8% |
| Cinebench R23 Multi | — | 21,000 |
| Geekbench 6 Single | — | 2,174 |
| Geekbench 6 Multi | — | 11,888 |
Memory & Platform
The EPYC 8124P uses the SP6 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 4800 on the EPYC 8124P versus DDR4-3200 on the Ryzen 9 5900X — the EPYC 8124P supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 8124P supports up to 2048 GB of RAM compared to 128 GB — 1500% more capacity for professional workloads. Memory channels: 6 (EPYC 8124P) vs 2 (Ryzen 9 5900X). PCIe lanes: 96 (EPYC 8124P) vs 24 (Ryzen 9 5900X) — the EPYC 8124P offers 72 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP6 (EPYC 8124P) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).
| Feature | EPYC 8124P | Ryzen 9 5900X |
|---|---|---|
| Socket | SP6 | AM4 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 4800+50% | DDR4-3200 |
| Max RAM Capacity | 2048 GB+1500% | 128 GB |
| RAM Channels | 6+200% | 2 |
| ECC Support | Yes | Yes |
| PCIe Lanes | 96+300% | 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 8124P supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V, IOMMU (EPYC 8124P) vs AMD-V (Ryzen 9 5900X). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: EPYC 8124P rivals Xeon Gold 6426Y; Ryzen 9 5900X rivals Core i9-12900K.
| Feature | EPYC 8124P | 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
At launch, the EPYC 8124P was priced at $639, while the Ryzen 9 5900X came in at $549. On launch pricing ($639 vs $549), Ryzen 9 5900X was $90 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 8124P delivers 56.5 pts/$ vs 71.0 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 22.8% better value option.
| Feature | EPYC 8124P | Ryzen 9 5900X |
|---|---|---|
| MSRP | $639 | $549-14% |
| Performance per Dollar | 56.5 | 71.0+26% |
| Release Date | 2023 | 2020 |
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