Xeon E7-8857 v2 vs Xeon w5-2455X
Xeon E7-8857 v2
Xeon w5-2455X
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 E7-8857 v2
Performance Per Dollar Xeon w5-2455X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E7-8857 v2 | Xeon w5-2455X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($2,995) | ✅ More affordable ($1,049) |
| Longevity | 🛑 Legacy (Legacy / 22 nm) | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) |
💎 Value Proposition
| Insight | Xeon E7-8857 v2 | Xeon w5-2455X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+192%) |
| Upfront Cost | ⚠️ Higher cost ($2,995) | ✅ More affordable ($1,049) |
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 E7-8857 v2 and Xeon w5-2455X
Xeon E7-8857 v2
The Xeon E7-8857 v2 is manufactured by Intel. It was released in 2015-01-01. It features 12 cores and 12 threads. Base frequency is 3 GHz, with boost up to 3.6 GHz. L3 cache: 30 MB. Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 130 Watt. Memory support: DDR3-1066, DDR3-1333, DDR3-1600. Passmark benchmark score: 36,304 points. Launch price was $800.
Xeon w5-2455X
The Xeon w5-2455X is manufactured by Intel. It was released in 15 February 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 12 cores and 24 threads. Base frequency is 3.2 GHz, with boost up to 4.6 GHz. L3 cache: 30 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 200 Watt. Memory support: DDR5-4800. Passmark benchmark score: 37,109 points. Launch price was $1,039.
Processing Power
The Xeon E7-8857 v2 packs 12 cores / 12 threads, matching the Xeon w5-2455X's 12 cores. Boost clocks reach 3.6 GHz on the Xeon E7-8857 v2 versus 4.6 GHz on the Xeon w5-2455X — a 24.4% clock advantage for the Xeon w5-2455X (base: 3 GHz vs 3.2 GHz). The Xeon w5-2455X is built on the Sapphire Rapids (2023−2024) architecture. In PassMark, the Xeon E7-8857 v2 scores 36,304 against the Xeon w5-2455X's 37,109 — a 2.2% lead for the Xeon w5-2455X. Both processors carry 30 MB of L3 cache.
| Feature | Xeon E7-8857 v2 | Xeon w5-2455X |
|---|---|---|
| Cores / Threads | 12 / 12 | 12 / 24 |
| Boost Clock | 3.6 GHz | 4.6 GHz+28% |
| Base Clock | 3 GHz | 3.2 GHz+7% |
| L3 Cache | 30 MB | 30 MB |
| L2 Cache | — | 2 MB (per core) |
| Process | 22 nm | Intel 7 nm-68% |
| Architecture | — | Sapphire Rapids (2023−2024) |
| PassMark | 36,304 | 37,109+2% |
Memory & Platform
The Xeon E7-8857 v2 uses the LGA2011 socket (PCIe 5.0), while the Xeon w5-2455X uses LGA4677 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1600 on the Xeon E7-8857 v2 versus 4800 on the Xeon w5-2455X — the Xeon w5-2455X supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon w5-2455X supports up to 2048 of RAM compared to 1536 — 28.6% more capacity for professional workloads. Both feature 4-channel memory with ECC support. PCIe lanes: 40 (Xeon E7-8857 v2) vs 64 (Xeon w5-2455X) — the Xeon w5-2455X offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C602J (Xeon E7-8857 v2) and W790 (Xeon w5-2455X).
| Feature | Xeon E7-8857 v2 | Xeon w5-2455X |
|---|---|---|
| Socket | LGA2011 | LGA4677 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | 1600 | 4800+200% |
| Max RAM Capacity | 1536 | 2048+33% |
| RAM Channels | 4 | 4 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 40 | 64+60% |
Advanced Features
Only the Xeon w5-2455X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon w5-2455X supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Direct competitor: Xeon E7-8857 v2 rivals Xeon E7-4850 v2; Xeon w5-2455X rivals Threadripper 7960X.
| Feature | Xeon E7-8857 v2 | Xeon w5-2455X |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | Yes |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
Value Analysis
The Xeon E7-8857 v2 launched at $3838 MSRP, while the Xeon w5-2455X debuted at $1039. At current prices ($2995 vs $1049), the Xeon w5-2455X is $1946 cheaper. In terms of value (PassMark points per dollar), the Xeon E7-8857 v2 delivers 12.1 pts/$ vs 35.4 pts/$ for the Xeon w5-2455X — making the Xeon w5-2455X the 97.9% better value option.
| Feature | Xeon E7-8857 v2 | Xeon w5-2455X |
|---|---|---|
| MSRP | $3838 | $1039-73% |
| Avg Price (30d) | $2995 | $1049-65% |
| Performance per Dollar | 12.1 | 35.4+193% |
| Release Date | 2014 | 2023 |
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