EPYC 9255 vs Xeon 6740E
EPYC 9255
Xeon 6740E
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 9255
Performance Per Dollar Xeon 6740E
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 9255 | Xeon 6740E |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($1,934) | ⚠️ Higher cost ($3,949) |
| Longevity | ✨ Modern (Turin (2024) / 4 nm) | ✨ Modern (Sierra Forest (2024) / Intel 3 nm) |
💎 Value Proposition
| Insight | EPYC 9255 | Xeon 6740E |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+103%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($1,934) | ⚠️ Higher cost ($3,949) |
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 9255 and Xeon 6740E
EPYC 9255
The EPYC 9255 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 24 cores and 48 threads. Base frequency is 3.25 GHz, with boost up to 4.8 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 200 Watt. Memory support: DDR5. Passmark benchmark score: 75,809 points. Launch price was $2,495.
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.
Processing Power
The EPYC 9255 packs 24 cores / 48 threads, while the Xeon 6740E offers 96 cores / 96 threads — the Xeon 6740E has 72 more cores. Boost clocks reach 4.8 GHz on the EPYC 9255 versus 3.2 GHz on the Xeon 6740E — a 40% clock advantage for the EPYC 9255 (base: 3.25 GHz vs 2.4 GHz). The EPYC 9255 uses the Turin (2024) architecture (4 nm), while the Xeon 6740E uses Sierra Forest (2024) (Intel 3 nm). In PassMark, the EPYC 9255 scores 75,809 against the Xeon 6740E's 76,167 — a 0.5% lead for the Xeon 6740E. L3 cache: 128 MB (total) on the EPYC 9255 vs 96 MB (total) on the Xeon 6740E.
| Feature | EPYC 9255 | Xeon 6740E |
|---|---|---|
| Cores / Threads | 24 / 48 | 96 / 96+300% |
| Boost Clock | 4.8 GHz+50% | 3.2 GHz |
| Base Clock | 3.25 GHz+35% | 2.4 GHz |
| L3 Cache | 128 MB (total)+33% | 96 MB (total) |
| L2 Cache | 1 MB (per core) | 4 MB (per module)+300% |
| Process | 4 nm | Intel 3 nm-25% |
| Architecture | Turin (2024) | Sierra Forest (2024) |
| PassMark | 75,809 | 76,167 |
Memory & Platform
The EPYC 9255 uses the SP5 socket (PCIe 5.0), while the Xeon 6740E uses LGA4710 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the EPYC 9255 versus 6400 on the Xeon 6740E — the Xeon 6740E supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9255 supports up to 6144 of RAM compared to 4096 — 40% more capacity for professional workloads. Memory channels: 12 (EPYC 9255) vs 8 (Xeon 6740E). PCIe lanes: 128 (EPYC 9255) vs 80 (Xeon 6740E) — the EPYC 9255 offers 48 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP5 (EPYC 9255) and C741 (Xeon 6740E).
| Feature | EPYC 9255 | Xeon 6740E |
|---|---|---|
| Socket | SP5 | LGA4710 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | 4800 | 6400+33% |
| Max RAM Capacity | 6144+50% | 4096 |
| RAM Channels | 12+50% | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+60% | 80 |
Advanced Features
Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d, SEV-SNP (EPYC 9255) vs VT-x, VT-d, TDX (Xeon 6740E). Direct competitor: EPYC 9255 rivals Xeon Platinum 8480+; Xeon 6740E rivals EPYC 9005.
| Feature | EPYC 9255 | Xeon 6740E |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, SEV-SNP | VT-x, VT-d, TDX |
Value Analysis
The EPYC 9255 launched at $2495 MSRP, while the Xeon 6740E debuted at $5265. At current prices ($1934 vs $3949), the EPYC 9255 is $2015 cheaper. In terms of value (PassMark points per dollar), the EPYC 9255 delivers 39.2 pts/$ vs 19.3 pts/$ for the Xeon 6740E — making the EPYC 9255 the 68.1% better value option.
| Feature | EPYC 9255 | Xeon 6740E |
|---|---|---|
| MSRP | $2495-53% | $5265 |
| Avg Price (30d) | $1934-51% | $3949 |
| Performance per Dollar | 39.2+103% | 19.3 |
| Release Date | 2024 | 2024 |
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