CPU
GPU
EPYC 7643P
Xeon Max 9480
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 7643P
Performance Per Dollar Xeon Max 9480
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7643P | Xeon Max 9480 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($2,722) | ⚠️ Higher cost ($12,980) |
| Longevity | ✨ Modern (Milan (2021−2023) / 7 nm) | ✨ Modern (Sapphire Rapids HBM (2023) / 10 nm) |
💎 Value Proposition
| Insight | EPYC 7643P | Xeon Max 9480 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+345%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($2,722) | ⚠️ Higher cost ($12,980) |
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 7643P and Xeon Max 9480
EPYC 7643P
The EPYC 7643P is manufactured by AMD. It was released in 5 September 2023 (2 years ago). It is based on the Milan (2021−2023) architecture. It features 48 cores and 96 threads. Base frequency is 2.3 GHz, with boost up to 3.6 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: SP3. Thermal design power (TDP): 225 Watt. Memory support: DDR4. Passmark benchmark score: 77,307 points. Launch price was $2,722.
Xeon Max 9480
The Xeon Max 9480 is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids HBM (2023) architecture. It features 56 cores and 112 threads. Base frequency is 1.9 GHz, with boost up to 3.5 GHz. L3 cache: 112.5 MB. L2 cache: 2 MB (per core). Built on 10 nm process technology. Socket: LGA4677. Thermal design power (TDP): 350 Watt. Memory support: DDR5-4800. Passmark benchmark score: 82,913 points. Launch price was $12,980.
Processing Power
The EPYC 7643P packs 48 cores / 96 threads, while the Xeon Max 9480 offers 56 cores / 112 threads — the Xeon Max 9480 has 8 more cores. Boost clocks reach 3.6 GHz on the EPYC 7643P versus 3.5 GHz on the Xeon Max 9480 — a 2.8% clock advantage for the EPYC 7643P (base: 2.3 GHz vs 1.9 GHz). The EPYC 7643P uses the Milan (2021−2023) architecture (7 nm), while the Xeon Max 9480 uses Sapphire Rapids HBM (2023) (10 nm). In PassMark, the EPYC 7643P scores 77,307 against the Xeon Max 9480's 82,913 — a 7% lead for the Xeon Max 9480. L3 cache: 256 MB (total) on the EPYC 7643P vs 112.5 MB on the Xeon Max 9480.
| Feature | EPYC 7643P | Xeon Max 9480 |
|---|---|---|
| Cores / Threads | 48 / 96 | 56 / 112+17% |
| Boost Clock | 3.6 GHz+3% | 3.5 GHz |
| Base Clock | 2.3 GHz+21% | 1.9 GHz |
| L3 Cache | 256 MB (total)+128% | 112.5 MB |
| L2 Cache | 512 kB (per core) | 2 MB (per core)+300% |
| Process | 7 nm-30% | 10 nm |
| Architecture | Milan (2021−2023) | Sapphire Rapids HBM (2023) |
| PassMark | 77,307 | 82,913+7% |
| Geekbench 6 Single | — | 1,900 |
| Geekbench 6 Multi | — | 55,000 |
Memory & Platform
The EPYC 7643P uses the SP3 socket (PCIe 4.0), while the Xeon Max 9480 uses LGA4677 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7643P versus DDR5-4800 on the Xeon Max 9480 — the EPYC 7643P supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4096 of RAM. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (EPYC 7643P) vs 80 (Xeon Max 9480) — the EPYC 7643P offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7643P) and C741 (Xeon Max 9480).
| Feature | EPYC 7643P | Xeon Max 9480 |
|---|---|---|
| Socket | SP3 | LGA4677 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 3200+63900% | DDR5-4800 |
| Max RAM Capacity | 4096 | 4096 GB+104857500% |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+60% | 80 |
Advanced Features
Neither processor supports overclocking. Only the Xeon Max 9480 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, SEV (EPYC 7643P) vs VT-x, VT-d (Xeon Max 9480). Primary use case: Xeon Max 9480 targets HPC Server. Direct competitor: EPYC 7643P rivals Xeon Platinum 8380; Xeon Max 9480 rivals EPYC 9684X.
| Feature | EPYC 7643P | Xeon Max 9480 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d, SEV | VT-x, VT-d |
| Target Use | — | HPC Server |
Value Analysis
The EPYC 7643P launched at $2722 MSRP, while the Xeon Max 9480 debuted at $12980. At current prices ($2722 vs $12980), the EPYC 7643P is $10258 cheaper. In terms of value (PassMark points per dollar), the EPYC 7643P delivers 28.4 pts/$ vs 6.4 pts/$ for the Xeon Max 9480 — making the EPYC 7643P the 126.6% better value option.
| Feature | EPYC 7643P | Xeon Max 9480 |
|---|---|---|
| MSRP | $2722-79% | $12980 |
| Avg Price (30d) | $2722-79% | $12980 |
| Performance per Dollar | 28.4+344% | 6.4 |
| Release Date | 2023 | 2023 |
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