Xeon E5-2403 vs Core i5-13600K
Xeon E5-2403
Core i5-13600K
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 E5-2403 is positioned at rank #816 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 E5-2403
Performance Per Dollar Core i5-13600K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-2403 | Core i5-13600K |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($319) |
| Longevity | 🛑 Legacy (Sandy Bridge-EN (2012) / 32 nm) | ✨ Modern (Raptor Lake, Raptor Cove, Gracemont (2022) / Intel 7 nm) |
💎 Value Proposition
| Insight | Xeon E5-2403 | Core i5-13600K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($319) |
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 E5-2403 and Core i5-13600K
Xeon E5-2403
The Xeon E5-2403 is manufactured by Intel. It was released in 14 May 2012 (13 years ago). It is based on the Sandy Bridge-EN (2012) architecture. It features 4 cores and 4 threads. Base frequency is 1.8 GHz, with boost up to 1.8 GHz. L3 cache: 10240 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1356. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 2,367 points. Launch price was $230.
Core i5-13600K
The Core i5-13600K is manufactured by Intel. It was released in 27 September 2022 (3 years ago). It is based on the Raptor Lake, Raptor Cove, Gracemont (2022) architecture. It features 14 cores and 20 threads. Base frequency is 3.5 GHz, with boost up to 5.1 GHz. L3 cache: 24 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 37,655 points. Launch price was $319.
Processing Power
The Xeon E5-2403 packs 4 cores / 4 threads, while the Core i5-13600K offers 14 cores / 20 threads — the Core i5-13600K has 10 more cores. Boost clocks reach 1.8 GHz on the Xeon E5-2403 versus 5.1 GHz on the Core i5-13600K — a 95.7% clock advantage for the Core i5-13600K (base: 1.8 GHz vs 3.5 GHz). The Xeon E5-2403 uses the Sandy Bridge-EN (2012) architecture (32 nm), while the Core i5-13600K uses Raptor Lake, Raptor Cove, Gracemont (2022) (Intel 7 nm). In PassMark, the Xeon E5-2403 scores 2,367 against the Core i5-13600K's 37,655 — a 176.3% lead for the Core i5-13600K. L3 cache: 10240 kB (total) on the Xeon E5-2403 vs 24 MB on the Core i5-13600K.
| Feature | Xeon E5-2403 | Core i5-13600K |
|---|---|---|
| Cores / Threads | 4 / 4 | 14 / 20+250% |
| Boost Clock | 1.8 GHz | 5.1 GHz+183% |
| Base Clock | 1.8 GHz | 3.5 GHz+94% |
| L3 Cache | 10240 kB (total) | 24 MB+140% |
| L2 Cache | 256 kB (per core) | 2 MB (per core)+700% |
| Process | 32 nm | Intel 7 nm-78% |
| Architecture | Sandy Bridge-EN (2012) | Raptor Lake, Raptor Cove, Gracemont (2022) |
| PassMark | 2,367 | 37,655+1491% |
Memory & Platform
The Xeon E5-2403 uses the LGA1356 socket (PCIe 2.0), while the Core i5-13600K uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard.
| Feature | Xeon E5-2403 | Core i5-13600K |
|---|---|---|
| Socket | LGA1356 | LGA1700 |
| PCIe Generation | PCIe 2.0 | PCIe 5.0+150% |
| Max RAM Speed | — | DDR5-5600 |
| Max RAM Capacity | — | 192 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 20 |
Advanced Features
Virtualization: not specified (Xeon E5-2403) / VT-x, VT-d (Core i5-13600K). The Core i5-13600K includes integrated graphics (UHD Graphics 770), while the Xeon E5-2403 requires a dedicated GPU. Primary use case: Core i5-13600K targets Desktop.
| Feature | Xeon E5-2403 | Core i5-13600K |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | UHD Graphics 770 |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | Desktop |
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