Xeon E-2456 vs Xeon Gold 6126T
Xeon E-2456
Xeon Gold 6126T
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 Gold 6126T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E-2456 | Xeon Gold 6126T |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($289) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Raptor Lake-S (2023−2024) / Intel 7 nm) | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E-2456 | Xeon Gold 6126T |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($289) | ✅ More affordable ($0) |
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 Gold 6126T
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 Gold 6126T
The Xeon Gold 6126T is manufactured by Intel. It was released in 25 April 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 12 cores and 24 threads. Base frequency is 2.6 GHz, with boost up to 3.7 GHz. L3 cache: 19.25 MB. L2 cache: 12 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 125 Watt. Memory support: DDR4-2666. Passmark benchmark score: 20,821 points. Launch price was $1,865.
Processing Power
The Xeon E-2456 packs 6 cores / 12 threads, while the Xeon Gold 6126T offers 12 cores / 24 threads — the Xeon Gold 6126T has 6 more cores. Boost clocks reach 5.1 GHz on the Xeon E-2456 versus 3.7 GHz on the Xeon Gold 6126T — a 31.8% clock advantage for the Xeon E-2456 (base: 3.3 GHz vs 2.6 GHz). The Xeon E-2456 uses the Raptor Lake-S (2023−2024) architecture (Intel 7 nm), while the Xeon Gold 6126T uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Xeon E-2456 scores 20,705 against the Xeon Gold 6126T's 20,821 — a 0.6% lead for the Xeon Gold 6126T. L3 cache: 18 MB (total) on the Xeon E-2456 vs 19.25 MB on the Xeon Gold 6126T.
| Feature | Xeon E-2456 | Xeon Gold 6126T |
|---|---|---|
| Cores / Threads | 6 / 12 | 12 / 24+100% |
| Boost Clock | 5.1 GHz+38% | 3.7 GHz |
| Base Clock | 3.3 GHz+27% | 2.6 GHz |
| L3 Cache | 18 MB (total) | 19.25 MB+7% |
| L2 Cache | 1.25 MB (per core) | 12 MB+860% |
| Process | Intel 7 nm-50% | 14 nm |
| Architecture | Raptor Lake-S (2023−2024) | Skylake (server) (2017−2018) |
| PassMark | 20,705 | 20,821 |
Memory & Platform
The Xeon E-2456 uses the LGA1700 socket (PCIe 5.0), while the Xeon Gold 6126T uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E-2456 | Xeon Gold 6126T |
|---|---|---|
| Socket | LGA1700 | LGA3647 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
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