Ryzen 7 7800X3D vs EPYC 9845
Ryzen 7 7800X3D
EPYC 9845
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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 7 7800X3D
Performance Per Dollar EPYC 9845
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 7800X3D | EPYC 9845 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($384) | ⚠️ Higher cost ($8,670) |
| Longevity | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) | ✨ Modern (Turin (2024) / 3 nm) |
💎 Value Proposition
| Insight | Ryzen 7 7800X3D | EPYC 9845 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+406%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($384) | ⚠️ Higher cost ($8,670) |
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 7 7800X3D and EPYC 9845
Ryzen 7 7800X3D
The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.
EPYC 9845
The EPYC 9845 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 160 cores and 320 threads. Base frequency is 2.1 GHz, with boost up to 3.7 GHz. L3 cache: 320 MB (total). L2 cache: 1 MB (per core). Built on 3 nm process technology. Socket: SP5. Thermal design power (TDP): 390 Watt. Memory support: DDR5. Passmark benchmark score: 152,985 points. Launch price was $13,564.
Processing Power
The Ryzen 7 7800X3D packs 8 cores / 16 threads, while the EPYC 9845 offers 160 cores / 320 threads — the EPYC 9845 has 152 more cores. Boost clocks reach 5 GHz on the Ryzen 7 7800X3D versus 3.7 GHz on the EPYC 9845 — a 29.9% clock advantage for the Ryzen 7 7800X3D (base: 4.4 GHz vs 2.1 GHz). The Ryzen 7 7800X3D uses the Raphael (Zen4) (2022−2023) architecture (5 nm), while the EPYC 9845 uses Turin (2024) (3 nm). In PassMark, the Ryzen 7 7800X3D scores 34,293 against the EPYC 9845's 152,985 — a 126.8% lead for the EPYC 9845. L3 cache: 96 MB (total) on the Ryzen 7 7800X3D vs 320 MB (total) on the EPYC 9845.
| Feature | Ryzen 7 7800X3D | EPYC 9845 |
|---|---|---|
| Cores / Threads | 8 / 16 | 160 / 320+1900% |
| Boost Clock | 5 GHz+35% | 3.7 GHz |
| Base Clock | 4.4 GHz+110% | 2.1 GHz |
| L3 Cache | 96 MB (total) | 320 MB (total)+233% |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 5 nm | 3 nm-40% |
| Architecture | Raphael (Zen4) (2022−2023) | Turin (2024) |
| PassMark | 34,293 | 152,985+346% |
| Cinebench R23 Multi | 18,500 | — |
| Geekbench 6 Single | 2,700 | — |
| Geekbench 6 Multi | 15,000 | — |
Memory & Platform
The Ryzen 7 7800X3D uses the AM5 socket (PCIe 5.0), while the EPYC 9845 uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-5200 memory speed. The Ryzen 7 7800X3D supports up to 128 GB of RAM compared to 6 TB — 182.1% more capacity for professional workloads. Memory channels: 2 (Ryzen 7 7800X3D) vs 12 (EPYC 9845). PCIe lanes: 28 (Ryzen 7 7800X3D) vs 128 (EPYC 9845) — the EPYC 9845 offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D) and SP5 (EPYC 9845).
| Feature | Ryzen 7 7800X3D | EPYC 9845 |
|---|---|---|
| Socket | AM5 | SP5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-5200 | DDR5-6000 |
| Max RAM Capacity | 128 GB | 6 TB+4700% |
| RAM Channels | 2 | 12+500% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28 | 128+357% |
Advanced Features
Virtualization support: AMD-V (Ryzen 7 7800X3D) vs AMD-V, SEV-SNP (EPYC 9845). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the EPYC 9845 requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming, EPYC 9845 targets Data Center / AI Training. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K; EPYC 9845 rivals Xeon 6972P.
| Feature | Ryzen 7 7800X3D | EPYC 9845 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | AMD Radeon Graphics (2-core) | — |
| Unlocked | Yes | — |
| AVX-512 | Yes | — |
| Virtualization | AMD-V | AMD-V, SEV-SNP |
| Target Use | Gaming | Data Center / AI Training |
Value Analysis
The Ryzen 7 7800X3D launched at $449 MSRP, while the EPYC 9845 debuted at $13564. At current prices ($384 vs $8670), the Ryzen 7 7800X3D is $8286 cheaper. In terms of value (PassMark points per dollar), the Ryzen 7 7800X3D delivers 89.3 pts/$ vs 17.6 pts/$ for the EPYC 9845 — making the Ryzen 7 7800X3D the 134% better value option.
| Feature | Ryzen 7 7800X3D | EPYC 9845 |
|---|---|---|
| MSRP | $449-97% | $13564 |
| Avg Price (30d) | $384-96% | $8670 |
| Performance per Dollar | 89.3+407% | 17.6 |
| Release Date | 2023 | 2024 |
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