Xeon E-2456 vs Xeon W-2155
Xeon E-2456
Xeon W-2155
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 E-2456
Performance Per Dollar Xeon W-2155
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E-2456 | Xeon W-2155 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($289) | ✅ More affordable ($150) |
| Longevity | ✨ Modern (Raptor Lake-S (2023−2024) / Intel 7 nm) | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E-2456 | Xeon W-2155 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+94%) |
| Upfront Cost | ⚠️ Higher cost ($289) | ✅ More affordable ($150) |
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 E-2456 and Xeon W-2155
Xeon E-2456
The Xeon E-2456 is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Raptor Lake-S (2023−2024) architecture. It features 6 cores and 12 threads. Base frequency is 3.3 GHz, with boost up to 5.1 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 80 Watt. Memory support: DDR5-4800. Passmark benchmark score: 20,705 points. Launch price was $375.
Xeon W-2155
The Xeon W-2155 is manufactured by Intel. It was released in 29 August 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 10 cores and 20 threads. Base frequency is 3.3 GHz, with boost up to 4.5 GHz. L3 cache: 13.75 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 140 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400, DDR4-2666. Passmark benchmark score: 20,858 points. Launch price was $1,440.
Processing Power
The Xeon E-2456 packs 6 cores / 12 threads, while the Xeon W-2155 offers 10 cores / 20 threads — the Xeon W-2155 has 4 more cores. Boost clocks reach 5.1 GHz on the Xeon E-2456 versus 4.5 GHz on the Xeon W-2155 — a 12.5% clock advantage for the Xeon E-2456 (base: 3.3 GHz vs 3.3 GHz). The Xeon E-2456 uses the Raptor Lake-S (2023−2024) architecture (Intel 7 nm), while the Xeon W-2155 uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Xeon E-2456 scores 20,705 against the Xeon W-2155's 20,858 — a 0.7% lead for the Xeon W-2155. L3 cache: 18 MB (total) on the Xeon E-2456 vs 13.75 MB (total) on the Xeon W-2155.
| Feature | Xeon E-2456 | Xeon W-2155 |
|---|---|---|
| Cores / Threads | 6 / 12 | 10 / 20+67% |
| Boost Clock | 5.1 GHz+13% | 4.5 GHz |
| Base Clock | 3.3 GHz | 3.3 GHz |
| L3 Cache | 18 MB (total)+31% | 13.75 MB (total) |
| L2 Cache | 1.25 MB (per core)+25% | 1 MB (per core) |
| Process | Intel 7 nm-50% | 14 nm |
| Architecture | Raptor Lake-S (2023−2024) | Skylake (server) (2017−2018) |
| PassMark | 20,705 | 20,858 |
Memory & Platform
The Xeon E-2456 uses the LGA1700 socket (PCIe 5.0), while the Xeon W-2155 uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E-2456 | Xeon W-2155 |
|---|---|---|
| Socket | LGA1700 | LGA2066 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
Value Analysis
At current prices ($289 vs $150), the Xeon W-2155 is $139 cheaper. In terms of value (PassMark points per dollar), the Xeon E-2456 delivers 71.6 pts/$ vs 139.1 pts/$ for the Xeon W-2155 — making the Xeon W-2155 the 64% better value option.
| Feature | Xeon E-2456 | Xeon W-2155 |
|---|---|---|
| MSRP | — | $1440 |
| Avg Price (30d) | $289 | $150-48% |
| Performance per Dollar | 71.6 | 139.1+94% |
| Release Date | 2023 | 2017 |
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