Xeon E5645 vs Core i5-13400F
Xeon E5645
Core i5-13400F
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 E5645 is positioned at rank #669 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 E5645
Performance Per Dollar Core i5-13400F
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5645 | Core i5-13400F |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($294) | ✅ More affordable ($180) |
| Longevity | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) | ✨ Modern (Raptor Lake-S (2023−2024) / Intel 7 nm) |
💎 Value Proposition
| Insight | Xeon E5645 | Core i5-13400F |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+727%) |
| Upfront Cost | ⚠️ Higher cost ($294) | ✅ More affordable ($180) |
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 E5645 and Core i5-13400F
Xeon E5645
The Xeon E5645 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 2.4 GHz, with boost up to 2.67 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 4,942 points. Launch price was $294.
Core i5-13400F
The Core i5-13400F is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-S (2023−2024) architecture. It features 10 cores and 16 threads. Base frequency is 2.5 GHz, with boost up to 4.6 GHz. L3 cache: 20 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, DDR4. Passmark benchmark score: 25,029 points. Launch price was $196.
Processing Power
The Xeon E5645 packs 6 cores / 12 threads, while the Core i5-13400F offers 10 cores / 16 threads — the Core i5-13400F has 4 more cores. Boost clocks reach 2.67 GHz on the Xeon E5645 versus 4.6 GHz on the Core i5-13400F — a 53.1% clock advantage for the Core i5-13400F (base: 2.4 GHz vs 2.5 GHz). The Xeon E5645 uses the Westmere-EP (2010−2011) architecture (32 nm), while the Core i5-13400F uses Raptor Lake-S (2023−2024) (Intel 7 nm). In PassMark, the Xeon E5645 scores 4,942 against the Core i5-13400F's 25,029 — a 134% lead for the Core i5-13400F. L3 cache: 12 MB (total) on the Xeon E5645 vs 20 MB (total) on the Core i5-13400F.
| Feature | Xeon E5645 | Core i5-13400F |
|---|---|---|
| Cores / Threads | 6 / 12 | 10 / 16+67% |
| Boost Clock | 2.67 GHz | 4.6 GHz+72% |
| Base Clock | 2.4 GHz | 2.5 GHz+4% |
| L3 Cache | 12 MB (total) | 20 MB (total)+67% |
| L2 Cache | 256 kB (per core) | 1.25 MB (per core)+400% |
| Process | 32 nm | Intel 7 nm-78% |
| Architecture | Westmere-EP (2010−2011) | Raptor Lake-S (2023−2024) |
| PassMark | 4,942 | 25,029+406% |
| Cinebench R23 Multi | — | 16,211 |
| Geekbench 6 Single | — | 2,407 |
| Geekbench 6 Multi | — | 11,408 |
Memory & Platform
The Xeon E5645 uses the LGA1366 socket (PCIe 5.0), while the Core i5-13400F uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Xeon E5645 versus DDR5-4800, DDR4-3200 on the Core i5-13400F — the Core i5-13400F supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon E5645 supports up to 288 GB of RAM compared to 192 GB — 40% more capacity for professional workloads. Memory channels: 3 (Xeon E5645) vs 2 (Core i5-13400F). PCIe lanes: 0 (Xeon E5645) vs 20 (Core i5-13400F) — the Core i5-13400F offers 20 more lanes for additional GPUs or NVMe drives.
| Feature | Xeon E5645 | Core i5-13400F |
|---|---|---|
| Socket | LGA1366 | LGA1700 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR3-1333 | DDR5-4800, DDR4-3200+67% |
| Max RAM Capacity | 288 GB+50% | 192 GB |
| RAM Channels | 3+50% | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 0 | 20 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x (Xeon E5645) vs VT-x, VT-d (Core i5-13400F). Primary use case: Xeon E5645 targets Server, Core i5-13400F targets Gaming. Direct competitor: Core i5-13400F rivals Ryzen 5 7600.
| Feature | Xeon E5645 | Core i5-13400F |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x, VT-d |
| Target Use | Server | Gaming |
Value Analysis
The Xeon E5645 launched at $294 MSRP, while the Core i5-13400F debuted at $196.
| Feature | Xeon E5645 | Core i5-13400F |
|---|---|---|
| MSRP | $294 | $196-33% |
| Avg Price (30d) | — | $180 |
| Release Date | 2010 | 2023 |
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