
EPYC 7663
Popular choices:

Xeon 6737P
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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.
Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook
This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.
EPYC 7663
2021Why buy it
- ✅+77.8% larger total L3 cache (256 MB vs 144 MB).
- ✅Draws 240W instead of 270W, a 30W reduction.
- ✅45.5% more PCIe lanes (128 vs 88) for storage and expansion-heavy builds.
Trade-offs
- ❌Worse for gaming: lower average FPS than Xeon 6737P across 46 shared CPU benchmark tests.
- ❌Lower Geekbench multi-core (12,380 vs 45,000).
- ❌Lower PassMark per dollar, at 12.9 vs 15.9 PassMark/$ ($6,366 MSRP vs $4,995 MSRP).
- ❌Older platform position on SP3 with DDR4, while Xeon 6737P moves to LGA4710 and DDR5.
Xeon 6737P
2025Why buy it
- ✅Better for gaming: +6.8% higher average FPS across 46 shared CPU benchmark tests.
- ✅Costs $1,371 less on MSRP ($4,995 MSRP vs $6,366 MSRP).
- ✅Delivers 23.6% more PassMark for each dollar spent, at 15.9 vs 12.9 PassMark/$ ($4,995 MSRP vs $6,366 MSRP).
- ✅Newer platform on LGA4710 with DDR5 support instead of SP3 and DDR4.
Trade-offs
- ❌Smaller total L3 cache (144 MB vs 256 MB).
EPYC 7663
2021Xeon 6737P
2025Why buy it
- ✅+77.8% larger total L3 cache (256 MB vs 144 MB).
- ✅Draws 240W instead of 270W, a 30W reduction.
- ✅45.5% more PCIe lanes (128 vs 88) for storage and expansion-heavy builds.
Why buy it
- ✅Better for gaming: +6.8% higher average FPS across 46 shared CPU benchmark tests.
- ✅Costs $1,371 less on MSRP ($4,995 MSRP vs $6,366 MSRP).
- ✅Delivers 23.6% more PassMark for each dollar spent, at 15.9 vs 12.9 PassMark/$ ($4,995 MSRP vs $6,366 MSRP).
- ✅Newer platform on LGA4710 with DDR5 support instead of SP3 and DDR4.
Trade-offs
- ❌Worse for gaming: lower average FPS than Xeon 6737P across 46 shared CPU benchmark tests.
- ❌Lower Geekbench multi-core (12,380 vs 45,000).
- ❌Lower PassMark per dollar, at 12.9 vs 15.9 PassMark/$ ($6,366 MSRP vs $4,995 MSRP).
- ❌Older platform position on SP3 with DDR4, while Xeon 6737P moves to LGA4710 and DDR5.
Trade-offs
- ❌Smaller total L3 cache (144 MB vs 256 MB).
Quick Answers
So, is Xeon 6737P better than EPYC 7663?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Games Benchmarks
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.

Path of Exile 2
| Preset | EPYC 7663 | Xeon 6737P |
|---|---|---|
| 1080p | ||
| low | 190 FPS | 190 FPS |
| medium | 155 FPS | 166 FPS |
| high | 123 FPS | 132 FPS |
| ultra | 96 FPS | 106 FPS |
| 1440p | ||
| low | 156 FPS | 156 FPS |
| medium | 123 FPS | 132 FPS |
| high | 94 FPS | 101 FPS |
| ultra | 75 FPS | 83 FPS |
| 4K | ||
| low | 72 FPS | 71 FPS |
| medium | 60 FPS | 63 FPS |
| high | 46 FPS | 49 FPS |
| ultra | 38 FPS | 40 FPS |

Counter-Strike 2
| Preset | EPYC 7663 | Xeon 6737P |
|---|---|---|
| 1080p | ||
| low | 238 FPS | 520 FPS |
| medium | 211 FPS | 460 FPS |
| high | 174 FPS | 376 FPS |
| ultra | 138 FPS | 309 FPS |
| 1440p | ||
| low | 195 FPS | 425 FPS |
| medium | 177 FPS | 383 FPS |
| high | 151 FPS | 321 FPS |
| ultra | 116 FPS | 256 FPS |
| 4K | ||
| low | 121 FPS | 262 FPS |
| medium | 112 FPS | 239 FPS |
| high | 97 FPS | 212 FPS |
| ultra | 79 FPS | 176 FPS |

League of Legends
| Preset | EPYC 7663 | Xeon 6737P |
|---|---|---|
| 1080p | ||
| low | 836 FPS | 883 FPS |
| medium | 696 FPS | 813 FPS |
| high | 649 FPS | 768 FPS |
| ultra | 573 FPS | 677 FPS |
| 1440p | ||
| low | 602 FPS | 756 FPS |
| medium | 500 FPS | 692 FPS |
| high | 458 FPS | 650 FPS |
| ultra | 400 FPS | 581 FPS |
| 4K | ||
| low | 430 FPS | 510 FPS |
| medium | 335 FPS | 429 FPS |
| high | 300 FPS | 383 FPS |
| ultra | 242 FPS | 318 FPS |

Valorant
| Preset | EPYC 7663 | Xeon 6737P |
|---|---|---|
| 1080p | ||
| low | 954 FPS | 985 FPS |
| medium | 863 FPS | 886 FPS |
| high | 739 FPS | 766 FPS |
| ultra | 637 FPS | 665 FPS |
| 1440p | ||
| low | 733 FPS | 806 FPS |
| medium | 636 FPS | 701 FPS |
| high | 542 FPS | 604 FPS |
| ultra | 466 FPS | 519 FPS |
| 4K | ||
| low | 522 FPS | 582 FPS |
| medium | 464 FPS | 521 FPS |
| high | 406 FPS | 462 FPS |
| ultra | 353 FPS | 397 FPS |
Technical Specifications
Side-by-side comparison of EPYC 7663 and Xeon 6737P

EPYC 7663
EPYC 7663
The EPYC 7663 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 56 cores and 112 threads. Base frequency is 2 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): 240 Watt. Memory support: DDR4-3200. Passmark benchmark score: 82,120 points. Launch price was $6,366.

Xeon 6737P
Xeon 6737P
The Xeon 6737P is manufactured by Intel. It was released in 24 February 2025 (less than a year ago). It is based on the Granite Rapids (2024−2025) architecture. It features 32 cores and 64 threads. Base frequency is 2.9 GHz, with boost up to 4 GHz. L3 cache: 144 MB (total). L2 cache: 2 MB (per core). Built on Intel 3 nm process technology. Socket: LGA4710. Thermal design power (TDP): 270 Watt. Memory support: DDR5(6400MT/s). Passmark benchmark score: 79,634 points. Launch price was $4,995.
Processing Power
The EPYC 7663 packs 56 cores / 112 threads, while the Xeon 6737P offers 32 cores / 64 threads — the EPYC 7663 has 24 more cores. Boost clocks reach 3.5 GHz on the EPYC 7663 versus 4 GHz on the Xeon 6737P — a 13.3% clock advantage for the Xeon 6737P (base: 2 GHz vs 2.9 GHz). The EPYC 7663 uses the Milan (2021−2023) architecture (7 nm+), while the Xeon 6737P uses Granite Rapids (2024−2025) (Intel 3 nm). In PassMark, the EPYC 7663 scores 82,120 against the Xeon 6737P's 79,634 — a 3.1% lead for the EPYC 7663. Geekbench 6 single-core — the metric most relevant to gaming — records 1,370 vs 2,000, a 37.4% lead for the Xeon 6737P that directly translates to higher frame rates. Multi-core Geekbench: 12,380 vs 45,000 (113.7% advantage for the Xeon 6737P). L3 cache: 256 MB (total) on the EPYC 7663 vs 144 MB (total) on the Xeon 6737P.
| Feature | EPYC 7663 | Xeon 6737P |
|---|---|---|
| Cores / Threads | 56 / 112+75% | 32 / 64 |
| Boost Clock | 3.5 GHz | 4 GHz+14% |
| Base Clock | 2 GHz | 2.9 GHz+45% |
| L3 Cache | 256 MB (total)+78% | 144 MB (total) |
| L2 Cache | 512 kB (per core) | 2 MB (per core)+300% |
| Process | 7 nm+ | Intel 3 nm-57% |
| Architecture | Milan (2021−2023) | Granite Rapids (2024−2025) |
| PassMark | 82,120+3% | 79,634 |
| Geekbench 6 Single | 1,370 | 2,000+46% |
| Geekbench 6 Multi | 12,380 | 45,000+263% |
Memory & Platform
The EPYC 7663 uses the SP3 socket (PCIe 4.0), while the Xeon 6737P uses LGA4710 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the EPYC 7663 versus DDR5-6400 on the Xeon 6737P — the Xeon 6737P supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4096 GB of RAM. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (EPYC 7663) vs 88 (Xeon 6737P) — the EPYC 7663 offers 40 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 7663) and C741 (Xeon 6737P).
| Feature | EPYC 7663 | Xeon 6737P |
|---|---|---|
| Socket | SP3 | LGA4710 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | DDR5-6400+25% |
| Max RAM Capacity | 4096 GB | 4096 GB |
| RAM Channels | 8 | 8 |
| ECC Support | Yes | Yes |
| PCIe Lanes | 128+45% | 88 |
Advanced Features
Neither processor supports overclocking. Only the Xeon 6737P supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (EPYC 7663) vs VT-x, VT-d (Xeon 6737P). Primary use case: EPYC 7663 targets Server, Xeon 6737P targets High Performance Server. Direct competitor: EPYC 7663 rivals Xeon Platinum 8380; Xeon 6737P rivals EPYC 9005.
| Feature | EPYC 7663 | Xeon 6737P |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | No | Yes |
| Virtualization | AMD-V | VT-x, VT-d |
| Target Use | Server | High Performance Server |
Value Analysis
The EPYC 7663 launched at $6366 MSRP, while the Xeon 6737P debuted at $4995. On MSRP ($6366 vs $4995), the Xeon 6737P is $1371 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 7663 delivers 12.9 pts/$ vs 15.9 pts/$ for the Xeon 6737P — making the Xeon 6737P the 21.1% better value option.
| Feature | EPYC 7663 | Xeon 6737P |
|---|---|---|
| MSRP | $6366 | $4995-22% |
| Performance per Dollar | 12.9 | 15.9+23% |
| Release Date | 2021 | 2025 |
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