Core i5-10400T vs Xeon E5-2648L V3
Core i5-10400T
Xeon E5-2648L V3
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 Core i5-10400T
Performance Per Dollar Xeon E5-2648L V3
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-10400T | Xeon E5-2648L V3 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($100) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Legacy / 14 nm) | 🛑 Legacy (Haswell-EP (2014−2015) / 22 nm) |
💎 Value Proposition
| Insight | Core i5-10400T | Xeon E5-2648L V3 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($100) | ✅ 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 Core i5-10400T and Xeon E5-2648L V3
Core i5-10400T
The Core i5-10400T is manufactured by Intel. It was released in 1 April 2020 (5 years ago). It features 6 cores and 12 threads. Base frequency is 2 GHz, with boost up to 3.6 GHz. L3 cache: 12 MB Intel® Smart Cache. Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 9,789 points. Launch price was $149.
Xeon E5-2648L V3
The Xeon E5-2648L V3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 12 cores and 24 threads. Base frequency is 1.8 GHz, with boost up to 2.5 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 75 Watt. Memory support: DDR4-2133. Passmark benchmark score: 9,847 points. Launch price was $800.
Processing Power
The Core i5-10400T packs 6 cores / 12 threads, while the Xeon E5-2648L V3 offers 12 cores / 24 threads — the Xeon E5-2648L V3 has 6 more cores. Boost clocks reach 3.6 GHz on the Core i5-10400T versus 2.5 GHz on the Xeon E5-2648L V3 — a 36.1% clock advantage for the Core i5-10400T (base: 2 GHz vs 1.8 GHz). The Xeon E5-2648L V3 is built on the Haswell-EP (2014−2015) architecture. In PassMark, the Core i5-10400T scores 9,789 against the Xeon E5-2648L V3's 9,847 — a 0.6% lead for the Xeon E5-2648L V3. L3 cache: 12 MB Intel® Smart Cache on the Core i5-10400T vs 30 MB (total) on the Xeon E5-2648L V3.
| Feature | Core i5-10400T | Xeon E5-2648L V3 |
|---|---|---|
| Cores / Threads | 6 / 12 | 12 / 24+100% |
| Boost Clock | 3.6 GHz+44% | 2.5 GHz |
| Base Clock | 2 GHz+11% | 1.8 GHz |
| L3 Cache | 12 MB Intel® Smart Cache | 30 MB (total)+150% |
| L2 Cache | — | 256K (per core) |
| Process | 14 nm-36% | 22 nm |
| Architecture | — | Haswell-EP (2014−2015) |
| PassMark | 9,789 | 9,847 |
| Geekbench 6 Single | 1,272 | — |
Memory & Platform
The Core i5-10400T uses the LGA1200 socket (PCIe 3.0), while the Xeon E5-2648L V3 uses LGA2011-3 (PCIe 5.0) — making them incompatible on the same motherboard.
| Feature | Core i5-10400T | Xeon E5-2648L V3 |
|---|---|---|
| Socket | LGA1200 | LGA2011-3 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR4-2666 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Core i5-10400T) / not specified (Xeon E5-2648L V3). The Core i5-10400T includes integrated graphics (UHD Graphics 630), while the Xeon E5-2648L V3 requires a dedicated GPU. Primary use case: Core i5-10400T targets Low Power Desktop. Direct competitor: Core i5-10400T rivals Ryzen 5 3400GE.
| Feature | Core i5-10400T | Xeon E5-2648L V3 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | UHD Graphics 630 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | Low Power Desktop | — |
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