Ryzen 9 7900 vs EPYC 9115
Ryzen 9 7900
EPYC 9115
Performance Spectrum - CPU
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Ryzen 9 7900
Performance Per Dollar EPYC 9115
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 7900 | EPYC 9115 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($370) | ⚠️ Higher cost ($726) |
| Longevity | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) | ✨ Modern (Turin (2024) / 4 nm) |
💎 Value Proposition
| Insight | Ryzen 9 7900 | EPYC 9115 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+96%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($370) | ⚠️ Higher cost ($726) |
Performance Check
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.
Technical Specifications
Side-by-side comparison of Ryzen 9 7900 and EPYC 9115
Ryzen 9 7900
The Ryzen 9 7900 is manufactured by AMD. It was released in 14 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5-5200. Passmark benchmark score: 48,168 points. Launch price was $429.
EPYC 9115
The EPYC 9115 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 16 cores and 32 threads. Base frequency is 2.6 GHz, with boost up to 4.1 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 125 Watt. Memory support: DDR5. Passmark benchmark score: 48,343 points. Launch price was $726.
Processing Power
The Ryzen 9 7900 packs 12 cores / 24 threads, while the EPYC 9115 offers 16 cores / 32 threads — the EPYC 9115 has 4 more cores. Boost clocks reach 5.4 GHz on the Ryzen 9 7900 versus 4.1 GHz on the EPYC 9115 — a 27.4% clock advantage for the Ryzen 9 7900 (base: 3.7 GHz vs 2.6 GHz). The Ryzen 9 7900 uses the Raphael (Zen4) (2022−2023) architecture (5 nm), while the EPYC 9115 uses Turin (2024) (4 nm). In PassMark, the Ryzen 9 7900 scores 48,168 against the EPYC 9115's 48,343 — a 0.4% lead for the EPYC 9115. Both processors carry 64 MB (total) of L3 cache.
| Feature | Ryzen 9 7900 | EPYC 9115 |
|---|---|---|
| Cores / Threads | 12 / 24 | 16 / 32+33% |
| Boost Clock | 5.4 GHz+32% | 4.1 GHz |
| Base Clock | 3.7 GHz+42% | 2.6 GHz |
| L3 Cache | 64 MB (total) | 64 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 5 nm | 4 nm-20% |
| Architecture | Raphael (Zen4) (2022−2023) | Turin (2024) |
| PassMark | 48,168 | 48,343 |
| Cinebench R23 Multi | 24,600 | — |
| Geekbench 6 Single | 2,800 | — |
| Geekbench 6 Multi | 18,000 | — |
Memory & Platform
The Ryzen 9 7900 uses the AM5 socket (PCIe 5.0), while the EPYC 9115 uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Ryzen 9 7900 versus 4800 on the EPYC 9115 — the EPYC 9115 supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9115 supports up to 6144 of RAM compared to 128 GB — 191.8% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 7900) vs 12 (EPYC 9115). PCIe lanes: 28 (Ryzen 9 7900) vs 128 (EPYC 9115) — the EPYC 9115 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD X670E,AMD X670,AMD B650E,AMD B650,AMD A620 (Ryzen 9 7900) and SP5 (EPYC 9115).
| Feature | Ryzen 9 7900 | EPYC 9115 |
|---|---|---|
| Socket | AM5 | SP5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-5200 | 4800+95900% |
| Max RAM Capacity | 128 GB+2184433% | 6144 |
| RAM Channels | 2 | 12+500% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28 | 128+357% |
Advanced Features
Only the Ryzen 9 7900 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: true (Ryzen 9 7900) vs VT-x, VT-d, AMD-V (EPYC 9115). The Ryzen 9 7900 includes integrated graphics (Radeon Graphics (Raphael)), while the EPYC 9115 requires a dedicated GPU. Direct competitor: Ryzen 9 7900 rivals Core i9-13900; EPYC 9115 rivals Xeon Platinum 8468X.
| Feature | Ryzen 9 7900 | EPYC 9115 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Radeon Graphics (Raphael) | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | true | VT-x, VT-d, AMD-V |
Value Analysis
The Ryzen 9 7900 launched at $429 MSRP, while the EPYC 9115 debuted at $726. At current prices ($370 vs $726), the Ryzen 9 7900 is $356 cheaper. In terms of value (PassMark points per dollar), the Ryzen 9 7900 delivers 130.2 pts/$ vs 66.6 pts/$ for the EPYC 9115 — making the Ryzen 9 7900 the 64.6% better value option.
| Feature | Ryzen 9 7900 | EPYC 9115 |
|---|---|---|
| MSRP | $429-41% | $726 |
| Avg Price (30d) | $370-49% | $726 |
| Performance per Dollar | 130.2+95% | 66.6 |
| Release Date | 2023 | 2024 |
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