EPYC 4465P
Ryzen 9 5900X
EPYC 4465P 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 4465P 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 4465P 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 4465P
2025Why buy it
- ✅+28.9% higher PassMark.
- ✅Better for workstations and heavier parallel workloads: 12 cores / 24 threads, plus 28 PCIe lanes vs 24.
- ✅Costs $150 less on MSRP ($399 MSRP vs $549 MSRP).
- ✅Delivers 77.4% more PassMark for each dollar spent, at 125.9 vs 71.0 PassMark/$ ($399 MSRP vs $549 MSRP).
- ✅Draws 65W instead of 105W, a 40W reduction.
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen 9 5900X across 50 shared CPU benchmark tests.
Ryzen 9 5900X
2020Why buy it
- ✅Better for gaming: +7.5% higher average FPS across 50 shared CPU benchmark tests.
Trade-offs
- ❌Lower PassMark (38,955 vs 50,216).
- ❌Less compelling for workstation-style loads than EPYC 4465P, which brings 12 cores / 24 threads and 28 PCIe lanes.
- ❌Lower PassMark per dollar, at 71.0 vs 125.9 PassMark/$ ($549 MSRP vs $399 MSRP).
- ❌61.5% higher power demand at 105W vs 65W.
- ❌Older platform position on AM4 with DDR4, while EPYC 4465P moves to AM5 and DDR5.
Quick Answers
So, is EPYC 4465P better than Ryzen 9 5900X?
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 4465P vs Ryzen 9 5900X Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
EPYC 4465P
The EPYC 4465P 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 12 cores and 24 threads. Base frequency is 3.4 GHz, with boost up to 5.4 GHz. L3 cache: 64 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: 50,216 points. Launch price was $399.
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
Both the EPYC 4465P and Ryzen 9 5900X share an identical 12-core/24-thread configuration. Boost clocks reach 5.4 GHz on the EPYC 4465P versus 4.8 GHz on the Ryzen 9 5900X — a 11.8% clock advantage for the EPYC 4465P (base: 3.4 GHz vs 3.7 GHz). The EPYC 4465P uses the Grado (2025) architecture (4 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the EPYC 4465P scores 50,216 against the Ryzen 9 5900X's 38,955 — a 25.3% lead for the EPYC 4465P. L3 cache: 64 MB (total) on the EPYC 4465P vs 64 MB on the Ryzen 9 5900X.
| Feature | EPYC 4465P | Ryzen 9 5900X |
|---|---|---|
| Cores / Threads | 12 / 24 | 12 / 24 |
| Boost Clock | 5.4 GHz+13% | 4.8 GHz |
| Base Clock | 3.4 GHz | 3.7 GHz+9% |
| L3 Cache | 64 MB (total) | 64 MB |
| L2 Cache | 1 MB (per core) | 512K (per core)+51100% |
| Process | 4 nm-43% | 7 nm, 12 nm |
| Architecture | Grado (2025) | Vermeer (Zen3) (2020−2022) |
| PassMark | 50,216+29% | 38,955 |
| Cinebench R23 Multi | — | 21,000 |
| Geekbench 6 Single | — | 2,174 |
| Geekbench 6 Multi | — | 11,888 |
Memory & Platform
The EPYC 4465P uses the AM5 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 5200 on the EPYC 4465P versus DDR4-3200 on the Ryzen 9 5900X — the EPYC 4465P supports 62.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 28 (EPYC 4465P) vs 24 (Ryzen 9 5900X) — the EPYC 4465P offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM5 (EPYC 4465P) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).
| Feature | EPYC 4465P | Ryzen 9 5900X |
|---|---|---|
| Socket | AM5 | AM4 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 5200+63% | DDR4-3200 |
| Max RAM Capacity | 128 GB | 128 GB |
| RAM Channels | 2 | 2 |
| ECC Support | Yes | Yes |
| PCIe Lanes | 28+17% | 24 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Only the EPYC 4465P supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, AMD-V (EPYC 4465P) vs AMD-V (Ryzen 9 5900X). The EPYC 4465P includes integrated graphics (AMD Radeon Graphics), while the Ryzen 9 5900X requires a dedicated GPU. Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: EPYC 4465P rivals Core i7-14700K; Ryzen 9 5900X rivals Core i9-12900K.
| Feature | EPYC 4465P | Ryzen 9 5900X |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | AMD Radeon Graphics | — |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d, AMD-V | AMD-V |
| Target Use | — | Workstation |
Value Analysis
At launch, the EPYC 4465P was priced at $399, while the Ryzen 9 5900X came in at $549. On launch pricing ($399 vs $549), EPYC 4465P was $150 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 4465P delivers 125.9 pts/$ vs 71.0 pts/$ for the Ryzen 9 5900X — making the EPYC 4465P the 55.8% better value option.
| Feature | EPYC 4465P | Ryzen 9 5900X |
|---|---|---|
| MSRP | $399-27% | $549 |
| Performance per Dollar | 125.9+77% | 71.0 |
| Release Date | 2025 | 2020 |
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