Xeon E-2456 vs Core i9-7900X
Xeon E-2456
Core i9-7900X
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 Core i9-7900X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E-2456 | Core i9-7900X |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($289) | ✅ More affordable ($188) |
| Longevity | ✨ Modern (Raptor Lake-S (2023−2024) / Intel 7 nm) | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E-2456 | Core i9-7900X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+55%) |
| Upfront Cost | ⚠️ Higher cost ($289) | ✅ More affordable ($188) |
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 Core i9-7900X
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.
Core i9-7900X
The Core i9-7900X is manufactured by Intel. It was released in 26 June 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: 14 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 140 Watt. Memory support: DDR4. Passmark benchmark score: 20,907 points. Launch price was $999.
Processing Power
The Xeon E-2456 packs 6 cores / 12 threads, while the Core i9-7900X offers 10 cores / 20 threads — the Core i9-7900X has 4 more cores. Boost clocks reach 5.1 GHz on the Xeon E-2456 versus 4.5 GHz on the Core i9-7900X — 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 Core i9-7900X uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Xeon E-2456 scores 20,705 against the Core i9-7900X's 20,907 — a 1% lead for the Core i9-7900X. L3 cache: 18 MB (total) on the Xeon E-2456 vs 14 MB (total) on the Core i9-7900X.
| Feature | Xeon E-2456 | Core i9-7900X |
|---|---|---|
| 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)+29% | 14 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 | 20,907 |
| Geekbench 6 Single | — | 1,323 |
| Geekbench 6 Multi | — | 8,536 |
Memory & Platform
The Xeon E-2456 uses the LGA1700 socket (PCIe 5.0), while the Core i9-7900X uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E-2456 | Core i9-7900X |
|---|---|---|
| Socket | LGA1700 | LGA2011 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | — | DDR4-2666 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 4 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 44 |
Advanced Features
Virtualization: not specified (Xeon E-2456) / VT-x, VT-d (Core i9-7900X). Primary use case: Core i9-7900X targets High-End Desktop.
| Feature | Xeon E-2456 | Core i9-7900X |
|---|---|---|
| Integrated GPU | — | No |
| IGPU Model | — | None |
| Unlocked | — | Yes |
| AVX-512 | — | Yes |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | High-End Desktop |
Value Analysis
At current prices ($289 vs $188), the Core i9-7900X is $101 cheaper. In terms of value (PassMark points per dollar), the Xeon E-2456 delivers 71.6 pts/$ vs 111.2 pts/$ for the Core i9-7900X — making the Core i9-7900X the 43.3% better value option.
| Feature | Xeon E-2456 | Core i9-7900X |
|---|---|---|
| MSRP | — | $999 |
| Avg Price (30d) | $289 | $188-35% |
| Performance per Dollar | 71.6 | 111.2+55% |
| Release Date | 2023 | 2017 |
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