CPU
GPU
Xeon L5640
Core i5-12400F
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. The Xeon L5640 is positioned at rank #994 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 L5640
Performance Per Dollar Core i5-12400F
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon L5640 | Core i5-12400F |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($996) | ✅ More affordable ($110) |
| Longevity | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) | ✨ Modern (Alder Lake-S (2022) / Intel 7 nm) |
💎 Value Proposition
| Insight | Xeon L5640 | Core i5-12400F |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+3696%) |
| Upfront Cost | ⚠️ Higher cost ($996) | ✅ More affordable ($110) |
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 L5640 and Core i5-12400F
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.
Core i5-12400F
The Core i5-12400F is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 6 cores and 12 threads. Base frequency is 2.5 GHz, with boost up to 4.4 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): 65 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 19,532 points. Launch price was $180.
Processing Power
Both the Xeon L5640 and Core i5-12400F share an identical 6-core/12-thread configuration. Boost clocks reach 2.8 GHz on the Xeon L5640 versus 4.4 GHz on the Core i5-12400F — a 44.4% clock advantage for the Core i5-12400F (base: 2.26 GHz vs 2.5 GHz). The Xeon L5640 uses the Westmere-EP (2010−2011) architecture (32 nm), while the Core i5-12400F uses Alder Lake-S (2022) (Intel 7 nm). In PassMark, the Xeon L5640 scores 4,659 against the Core i5-12400F's 19,532 — a 123% lead for the Core i5-12400F. L3 cache: 12 MB (total) on the Xeon L5640 vs 18 MB (total) on the Core i5-12400F.
| Feature | Xeon L5640 | Core i5-12400F |
|---|---|---|
| Cores / Threads | 6 / 12 | 6 / 12 |
| Boost Clock | 2.8 GHz | 4.4 GHz+57% |
| Base Clock | 2.26 GHz | 2.5 GHz+11% |
| L3 Cache | 12 MB (total) | 18 MB (total)+50% |
| L2 Cache | 256 kB (per core) | 1.25 MB (per core)+400% |
| Process | 32 nm | Intel 7 nm-78% |
| Architecture | Westmere-EP (2010−2011) | Alder Lake-S (2022) |
| PassMark | 4,659 | 19,532+319% |
| Cinebench R23 Multi | — | 12,380 |
| Geekbench 6 Single | — | 1,700 |
| Geekbench 6 Multi | — | 657 |
Memory & Platform
The Xeon L5640 uses the LGA1366 socket (PCIe 5.0), while the Core i5-12400F uses LGA1700 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3 1333 MHz on the Xeon L5640 versus DDR5-4800, DDR4-3200 on the Core i5-12400F — 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 128 GB — 76.9% more capacity for professional workloads. Memory channels: 3 (Xeon L5640) vs 2 (Core i5-12400F). PCIe lanes: 0 (Xeon L5640) vs 20 (Core i5-12400F) — the Core i5-12400F offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 5520,Intel X58 (Xeon L5640) and H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F).
| Feature | Xeon L5640 | Core i5-12400F |
|---|---|---|
| Socket | LGA1366 | LGA1700 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | DDR3 1333 MHz | DDR5-4800, DDR4-3200+67% |
| Max RAM Capacity | 288 GB+125% | 128 GB |
| RAM Channels | 3+50% | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 0 | 20 |
Advanced Features
Virtualization support: true (Xeon L5640) vs VT-x, VT-d, EPT (Core i5-12400F). Primary use case: Xeon L5640 targets Server Low Power, Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.
| Feature | Xeon L5640 | Core i5-12400F |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | true | VT-x, VT-d, EPT |
| Target Use | Server Low Power | Gaming Performance/Value |
Value Analysis
The Xeon L5640 launched at $996 MSRP, while the Core i5-12400F debuted at $174.
| Feature | Xeon L5640 | Core i5-12400F |
|---|---|---|
| MSRP | $996 | $174-83% |
| Avg Price (30d) | — | $110 |
| Release Date | 2010 | 2022 |
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