Core i3-10305 vs Xeon E5-2643 v2
Core i3-10305
Xeon E5-2643 v2
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 i3-10305
Performance Per Dollar Xeon E5-2643 v2
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-10305 | Xeon E5-2643 v2 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($100) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Comet Lake-R (2021) / 14 nm) | 🛑 Legacy (Ivy Bridge-EP (2013) / 22 nm) |
💎 Value Proposition
| Insight | Core i3-10305 | Xeon E5-2643 v2 |
|---|---|---|
| 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 i3-10305 and Xeon E5-2643 v2
Core i3-10305
The Core i3-10305 is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Comet Lake-R (2021) architecture. It features 4 cores and 8 threads. Base frequency is 3.8 GHz, with boost up to 4.5 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4-2666. Passmark benchmark score: 9,210 points. Launch price was $149.
Xeon E5-2643 v2
The Xeon E5-2643 v2 is manufactured by Intel. It was released in 1 September 2013 (12 years ago). It is based on the Ivy Bridge-EP (2013) architecture. It features 6 cores and 12 threads. Base frequency is 3.5 GHz, with boost up to 3.8 GHz. L3 cache: 15 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 9,172 points. Launch price was $2,200.
Processing Power
The Core i3-10305 packs 4 cores / 8 threads, while the Xeon E5-2643 v2 offers 6 cores / 12 threads — the Xeon E5-2643 v2 has 2 more cores. Boost clocks reach 4.5 GHz on the Core i3-10305 versus 3.8 GHz on the Xeon E5-2643 v2 — a 16.9% clock advantage for the Core i3-10305 (base: 3.8 GHz vs 3.5 GHz). The Core i3-10305 uses the Comet Lake-R (2021) architecture (14 nm), while the Xeon E5-2643 v2 uses Ivy Bridge-EP (2013) (22 nm). In PassMark, the Core i3-10305 scores 9,210 against the Xeon E5-2643 v2's 9,172 — a 0.4% lead for the Core i3-10305. L3 cache: 8 MB (total) on the Core i3-10305 vs 15 MB (total) on the Xeon E5-2643 v2.
| Feature | Core i3-10305 | Xeon E5-2643 v2 |
|---|---|---|
| Cores / Threads | 4 / 8 | 6 / 12+50% |
| Boost Clock | 4.5 GHz+18% | 3.8 GHz |
| Base Clock | 3.8 GHz+9% | 3.5 GHz |
| L3 Cache | 8 MB (total) | 15 MB (total)+88% |
| L2 Cache | 256 kB (per core) | 256 kB (per core) |
| Process | 14 nm-36% | 22 nm |
| Architecture | Comet Lake-R (2021) | Ivy Bridge-EP (2013) |
| PassMark | 9,210 | 9,172 |
| Geekbench 6 Single | 1,536 | — |
Memory & Platform
The Core i3-10305 uses the LGA1200 socket (PCIe 3.0), while the Xeon E5-2643 v2 uses LGA2011 (PCIe 5.0) — making them incompatible on the same motherboard.
| Feature | Core i3-10305 | Xeon E5-2643 v2 |
|---|---|---|
| Socket | LGA1200 | LGA2011 |
| 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 (Core i3-10305) / not specified (Xeon E5-2643 v2). The Core i3-10305 includes integrated graphics (UHD Graphics 630), while the Xeon E5-2643 v2 requires a dedicated GPU.
| Feature | Core i3-10305 | Xeon E5-2643 v2 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | UHD Graphics 630 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
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