Core i5-7400T vs Xeon L5640
Core i5-7400T
Xeon L5640
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. The Core i5-7400T is positioned at rank 666 and the Xeon L5640 is on rank 994, so the Core i5-7400T offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i5-7400T
Performance Per Dollar Xeon L5640
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-7400T | Xeon L5640 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($78) | ⚠️ Higher cost ($996) |
| Longevity | ✨ Modern (Kaby Lake (2016−2019) / 14 nm) | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Core i5-7400T | Xeon L5640 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+1186%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($78) | ⚠️ Higher cost ($996) |
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 i5-7400T and Xeon L5640
Core i5-7400T
The Core i5-7400T is manufactured by Intel. It was released in 3 January 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 4 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 3 GHz. L3 cache: 6 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR4. Passmark benchmark score: 4,692 points. Launch price was $187.
Xeon L5640
The Xeon L5640 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 2.26 GHz, with boost up to 2.8 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 60 Watt. Memory support: DDR3. Passmark benchmark score: 4,659 points. Launch price was $200.
Processing Power
The Core i5-7400T packs 4 cores / 4 threads, while the Xeon L5640 offers 6 cores / 12 threads — the Xeon L5640 has 2 more cores. Boost clocks reach 3 GHz on the Core i5-7400T versus 2.8 GHz on the Xeon L5640 — a 6.9% clock advantage for the Core i5-7400T (base: 2.4 GHz vs 2.26 GHz). The Core i5-7400T uses the Kaby Lake (2016−2019) architecture (14 nm), while the Xeon L5640 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Core i5-7400T scores 4,692 against the Xeon L5640's 4,659 — a 0.7% lead for the Core i5-7400T. L3 cache: 6 MB (total) on the Core i5-7400T vs 12 MB (total) on the Xeon L5640.
| Feature | Core i5-7400T | Xeon L5640 |
|---|---|---|
| Cores / Threads | 4 / 4 | 6 / 12+50% |
| Boost Clock | 3 GHz+7% | 2.8 GHz |
| Base Clock | 2.4 GHz+6% | 2.26 GHz |
| L3 Cache | 6 MB (total) | 12 MB (total)+100% |
| L2 Cache | 256K (per core) | 256 kB (per core) |
| Process | 14 nm-56% | 32 nm |
| Architecture | Kaby Lake (2016−2019) | Westmere-EP (2010−2011) |
| PassMark | 4,692 | 4,659 |
| Cinebench R23 Multi | 3,334 | — |
| Geekbench 6 Single | 1,069 | — |
| Geekbench 6 Multi | 2,463 | — |
Memory & Platform
The Core i5-7400T uses the LGA1151 socket (PCIe 3.0), while the Xeon L5640 uses LGA1366 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the Core i5-7400T versus DDR3 1333 MHz on the Xeon L5640 — the Xeon L5640 supports 199.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon L5640 supports up to 288 GB of RAM compared to 64 GB — 127.3% more capacity for professional workloads. Memory channels: 2 (Core i5-7400T) vs 3 (Xeon L5640). PCIe lanes: 16 (Core i5-7400T) vs 0 (Xeon L5640) — the Core i5-7400T offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: B150,Q170,B250,Q250,H110,Q270,H170,Z170,H270,Z270 (Core i5-7400T) and Intel 5520,Intel X58 (Xeon L5640).
| Feature | Core i5-7400T | Xeon L5640 |
|---|---|---|
| Socket | LGA1151 | LGA1366 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR4-2400+33% | DDR3 1333 MHz |
| Max RAM Capacity | 64 GB | 288 GB+350% |
| RAM Channels | 2 | 3+50% |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 16 | 0 |
Advanced Features
Virtualization support: Yes (Core i5-7400T) vs true (Xeon L5640). The Core i5-7400T includes integrated graphics (Intel HD Graphics 630), while the Xeon L5640 requires a dedicated GPU. Primary use case: Xeon L5640 targets Server Low Power.
| Feature | Core i5-7400T | Xeon L5640 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel HD Graphics 630 | — |
| Unlocked | — | No |
| AVX-512 | No | No |
| Virtualization | Yes | true |
| Target Use | — | Server Low Power |
Value Analysis
The Core i5-7400T launched at $182 MSRP, while the Xeon L5640 debuted at $996.
| Feature | Core i5-7400T | Xeon L5640 |
|---|---|---|
| MSRP | $182-82% | $996 |
| Avg Price (30d) | $78 | — |
| Release Date | 2017 | 2010 |
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