EPYC 7763 vs EPYC 7773X
EPYC 7763
EPYC 7773X
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 7763
Performance Per Dollar EPYC 7773X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7763 | EPYC 7773X |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($1,513) | ⚠️ Higher cost ($8,800) |
| Longevity | ✨ Modern (Milan (2021−2023) / 7 nm+) | ✨ Modern (Milan-X (2022) / 7 nm) |
💎 Value Proposition
| Insight | EPYC 7763 | EPYC 7773X |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+438%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($1,513) | ⚠️ Higher cost ($8,800) |
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 7763 and EPYC 7773X
EPYC 7763
The EPYC 7763 is manufactured by AMD. It was released in 15 March 2021 (4 years ago). It is based on the Milan (2021−2023) architecture. It features 64 cores and 128 threads. Base frequency is 2.45 GHz, with boost up to 3.5 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 84,440 points. Launch price was $7,890.
EPYC 7773X
The EPYC 7773X is manufactured by AMD. It was released in 2022-03-22. It is based on the Milan-X (2022) architecture. It features 64 cores and 128 threads. Base frequency is 2.2 GHz, with boost up to 3.5 GHz. L3 cache: 768 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: SP3. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 91,340 points. Launch price was $8,800.
Processing Power
Both the EPYC 7763 and EPYC 7773X share an identical 64-core/128-thread configuration. Boost clocks reach 3.5 GHz on the EPYC 7763 versus 3.5 GHz on the EPYC 7773X — identical boost frequencies (base: 2.45 GHz vs 2.2 GHz). The EPYC 7763 uses the Milan (2021−2023) architecture (7 nm+), while the EPYC 7773X uses Milan-X (2022) (7 nm). In PassMark, the EPYC 7763 scores 84,440 against the EPYC 7773X's 91,340 — a 7.9% lead for the EPYC 7773X. L3 cache: 256 MB (total) on the EPYC 7763 vs 768 MB (total) on the EPYC 7773X.
| Feature | EPYC 7763 | EPYC 7773X |
|---|---|---|
| Cores / Threads | 64 / 128 | 64 / 128 |
| Boost Clock | 3.5 GHz | 3.5 GHz |
| Base Clock | 2.45 GHz+11% | 2.2 GHz |
| L3 Cache | 256 MB (total) | 768 MB (total)+200% |
| L2 Cache | 512 kB (per core) | 512K (per core) |
| Process | 7 nm+ | 7 nm |
| Architecture | Milan (2021−2023) | Milan-X (2022) |
| PassMark | 84,440 | 91,340+8% |
| Geekbench 6 Single | — | 1,536 |
| Geekbench 6 Multi | — | 45,000 |
Memory & Platform
Both processors use the SP3 socket with PCIe 4.0. Maximum memory speed reaches 3200 on the EPYC 7763 versus DDR4-3200 on the EPYC 7773X — the EPYC 7763 supports 199.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7763 supports up to 4096 of RAM compared to 4 TB — 199.6% more capacity for professional workloads. Both feature 8-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP3 (EPYC 7763) and SP3 (EPYC 7773X).
| Feature | EPYC 7763 | EPYC 7773X |
|---|---|---|
| Socket | SP3 | SP3 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 3200+79900% | DDR4-3200 |
| Max RAM Capacity | 4096 | 4 TB+104857500% |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128 | 128 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x, VT-d, SEV (EPYC 7763) vs AMD-V (EPYC 7773X). Primary use case: EPYC 7773X targets Server. Direct competitor: EPYC 7763 rivals Xeon Platinum 8380; EPYC 7773X rivals EPYC 9654.
| Feature | EPYC 7763 | EPYC 7773X |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d, SEV | AMD-V |
| Target Use | — | Server |
Value Analysis
The EPYC 7763 launched at $7890 MSRP, while the EPYC 7773X debuted at $8800. At current prices ($1513 vs $8800), the EPYC 7763 is $7287 cheaper. In terms of value (PassMark points per dollar), the EPYC 7763 delivers 55.8 pts/$ vs 10.4 pts/$ for the EPYC 7773X — making the EPYC 7763 the 137.3% better value option.
| Feature | EPYC 7763 | EPYC 7773X |
|---|---|---|
| MSRP | $7890-10% | $8800 |
| Avg Price (30d) | $1513-83% | $8800 |
| Performance per Dollar | 55.8+437% | 10.4 |
| Release Date | 2021 | 2022 |
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