Xeon 6740E vs EPYC 7663
Xeon 6740E
EPYC 7663
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 Xeon 6740E
Performance Per Dollar EPYC 7663
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon 6740E | EPYC 7663 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($3,949) | ⚠️ Higher cost ($6,366) |
| Longevity | ✨ Modern (Sierra Forest (2024) / Intel 3 nm) | ✨ Modern (Milan (2021−2023) / 7 nm+) |
💎 Value Proposition
| Insight | Xeon 6740E | EPYC 7663 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+50%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($3,949) | ⚠️ Higher cost ($6,366) |
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 Xeon 6740E and EPYC 7663
Xeon 6740E
The Xeon 6740E is manufactured by Intel. It was released in 3 June 2024 (1 year ago). It is based on the Sierra Forest (2024) architecture. It features 96 cores and 96 threads. Base frequency is 2.4 GHz, with boost up to 3.2 GHz. L3 cache: 96 MB (total). L2 cache: 4 MB (per module). Built on Intel 3 nm process technology. Socket: LGA4710. Thermal design power (TDP): 250 Watt. Memory support: DDR5-6400. Passmark benchmark score: 76,167 points. Launch price was $5,265.
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.
Processing Power
The Xeon 6740E packs 96 cores / 96 threads, while the EPYC 7663 offers 56 cores / 112 threads — the Xeon 6740E has 40 more cores. Boost clocks reach 3.2 GHz on the Xeon 6740E versus 3.5 GHz on the EPYC 7663 — a 9% clock advantage for the EPYC 7663 (base: 2.4 GHz vs 2 GHz). The Xeon 6740E uses the Sierra Forest (2024) architecture (Intel 3 nm), while the EPYC 7663 uses Milan (2021−2023) (7 nm+). In PassMark, the Xeon 6740E scores 76,167 against the EPYC 7663's 82,120 — a 7.5% lead for the EPYC 7663. L3 cache: 96 MB (total) on the Xeon 6740E vs 256 MB (total) on the EPYC 7663.
| Feature | Xeon 6740E | EPYC 7663 |
|---|---|---|
| Cores / Threads | 96 / 96+71% | 56 / 112 |
| Boost Clock | 3.2 GHz | 3.5 GHz+9% |
| Base Clock | 2.4 GHz+20% | 2 GHz |
| L3 Cache | 96 MB (total) | 256 MB (total)+167% |
| L2 Cache | 4 MB (per module)+700% | 512 kB (per core) |
| Process | Intel 3 nm-57% | 7 nm+ |
| Architecture | Sierra Forest (2024) | Milan (2021−2023) |
| PassMark | 76,167 | 82,120+8% |
| Geekbench 6 Single | — | 1,370 |
| Geekbench 6 Multi | — | 12,380 |
Memory & Platform
The Xeon 6740E uses the LGA4710 socket (PCIe 4.0), while the EPYC 7663 uses SP3 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 6400 on the Xeon 6740E versus DDR4-3200 on the EPYC 7663 — the Xeon 6740E supports 199.8% 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: 80 (Xeon 6740E) vs 128 (EPYC 7663) — the EPYC 7663 offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C741 (Xeon 6740E) and SP3 (EPYC 7663).
| Feature | Xeon 6740E | EPYC 7663 |
|---|---|---|
| Socket | LGA4710 | SP3 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 6400+159900% | DDR4-3200 |
| Max RAM Capacity | 4096 | 4096 GB+104857500% |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 80 | 128+60% |
Advanced Features
Neither processor supports overclocking. Only the Xeon 6740E supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, TDX (Xeon 6740E) vs AMD-V (EPYC 7663). Primary use case: EPYC 7663 targets Server. Direct competitor: Xeon 6740E rivals EPYC 9005; EPYC 7663 rivals Xeon Platinum 8380.
| Feature | Xeon 6740E | EPYC 7663 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d, TDX | AMD-V |
| Target Use | — | Server |
Value Analysis
The Xeon 6740E launched at $5265 MSRP, while the EPYC 7663 debuted at $6366. At current prices ($3949 vs $6366), the Xeon 6740E is $2417 cheaper. In terms of value (PassMark points per dollar), the Xeon 6740E delivers 19.3 pts/$ vs 12.9 pts/$ for the EPYC 7663 — making the Xeon 6740E the 39.7% better value option.
| Feature | Xeon 6740E | EPYC 7663 |
|---|---|---|
| MSRP | $5265-17% | $6366 |
| Avg Price (30d) | $3949-38% | $6366 |
| Performance per Dollar | 19.3+50% | 12.9 |
| Release Date | 2024 | 2021 |
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