EPYC 7502 vs Ryzen 9 7900X
EPYC 7502
Ryzen 9 7900X
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 EPYC 7502
Performance Per Dollar Ryzen 9 7900X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7502 | Ryzen 9 7900X |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($1,299) | ✅ More affordable ($316) |
| Longevity | ✨ Modern (Zen 2 (2017−2020) / 7 nm, 14 nm) | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) |
💎 Value Proposition
| Insight | EPYC 7502 | Ryzen 9 7900X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+305%) |
| Upfront Cost | ⚠️ Higher cost ($1,299) | ✅ More affordable ($316) |
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 EPYC 7502 and Ryzen 9 7900X
EPYC 7502
The EPYC 7502 is manufactured by AMD. It was released in 7 August 2019 (6 years ago). It is based on the Zen 2 (2017−2020) architecture. It features 32 cores and 64 threads. Base frequency is 2.5 GHz, with boost up to 3.35 GHz. L3 cache: 128 MB (total). L2 cache: 512K (per core). Built on 7 nm, 14 nm process technology. Socket: TR4. Thermal design power (TDP): 180 Watt. Memory support: DDR4 Eight-channel. Passmark benchmark score: 52,107 points. Launch price was $2,600.
Ryzen 9 7900X
The Ryzen 9 7900X is manufactured by AMD. It was released in 2022-09-27. It is based on the Raphael (Zen4) (2022−2023) architecture. It features 12 cores and 24 threads. Base frequency is 4.7 GHz, with boost up to 5.6 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 170 Watt. Memory support: DDR5-5200. Passmark benchmark score: 51,329 points. Launch price was $549.
Processing Power
The EPYC 7502 packs 32 cores / 64 threads, while the Ryzen 9 7900X offers 12 cores / 24 threads — the EPYC 7502 has 20 more cores. Boost clocks reach 3.35 GHz on the EPYC 7502 versus 5.6 GHz on the Ryzen 9 7900X — a 50.3% clock advantage for the Ryzen 9 7900X (base: 2.5 GHz vs 4.7 GHz). The EPYC 7502 uses the Zen 2 (2017−2020) architecture (7 nm, 14 nm), while the Ryzen 9 7900X uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the EPYC 7502 scores 52,107 against the Ryzen 9 7900X's 51,329 — a 1.5% lead for the EPYC 7502. L3 cache: 128 MB (total) on the EPYC 7502 vs 64 MB (total) on the Ryzen 9 7900X.
| Feature | EPYC 7502 | Ryzen 9 7900X |
|---|---|---|
| Cores / Threads | 32 / 64+167% | 12 / 24 |
| Boost Clock | 3.35 GHz | 5.6 GHz+67% |
| Base Clock | 2.5 GHz | 4.7 GHz+88% |
| L3 Cache | 128 MB (total)+100% | 64 MB (total) |
| L2 Cache | 512K (per core) | 1 MB (per core)+100% |
| Process | 7 nm, 14 nm | 5 nm-29% |
| Architecture | Zen 2 (2017−2020) | Raphael (Zen4) (2022−2023) |
| PassMark | 52,107+2% | 51,329 |
| Cinebench R23 Multi | — | 29,557 |
Memory & Platform
The EPYC 7502 uses the TR4 socket (PCIe 4.0), while the Ryzen 9 7900X uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7502 versus DDR5-5200 on the Ryzen 9 7900X — the EPYC 7502 supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7502 supports up to 4096 of RAM compared to 128 GB — 187.9% more capacity for professional workloads. Memory channels: 8 (EPYC 7502) vs 2 (Ryzen 9 7900X). PCIe lanes: 128 (EPYC 7502) vs 28 (Ryzen 9 7900X) — the EPYC 7502 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7502) and AM5 (Ryzen 9 7900X).
| Feature | EPYC 7502 | Ryzen 9 7900X |
|---|---|---|
| Socket | TR4 | AM5 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 3200+63900% | DDR5-5200 |
| Max RAM Capacity | 4096 | 128 GB+3276700% |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+357% | 28 |
Advanced Features
Only the Ryzen 9 7900X 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: VT-x, VT-d (EPYC 7502) vs AMD-V (Ryzen 9 7900X). The Ryzen 9 7900X includes integrated graphics (Radeon Graphics), while the EPYC 7502 requires a dedicated GPU. Primary use case: Ryzen 9 7900X targets Gaming. Direct competitor: EPYC 7502 rivals Xeon Gold 6338; Ryzen 9 7900X rivals Core i9-13900K.
| Feature | EPYC 7502 | Ryzen 9 7900X |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Radeon Graphics |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | AMD-V |
| Target Use | — | Gaming |
Value Analysis
The EPYC 7502 launched at $2600 MSRP, while the Ryzen 9 7900X debuted at $549. At current prices ($1299 vs $316), the Ryzen 9 7900X is $983 cheaper. In terms of value (PassMark points per dollar), the EPYC 7502 delivers 40.1 pts/$ vs 162.4 pts/$ for the Ryzen 9 7900X — making the Ryzen 9 7900X the 120.8% better value option.
| Feature | EPYC 7502 | Ryzen 9 7900X |
|---|---|---|
| MSRP | $2600 | $549-79% |
| Avg Price (30d) | $1299 | $316-76% |
| Performance per Dollar | 40.1 | 162.4+305% |
| Release Date | 2019 | 2022 |
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