Xeon E3-1280 v5 vs Core i3-10105
Xeon E3-1280 v5
Core i3-10105
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 E3-1280 v5 is positioned at rank #354 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 E3-1280 v5
Performance Per Dollar Core i3-10105
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E3-1280 v5 | Core i3-10105 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($90) |
| Longevity | 🛑 Legacy (Skylake-S (2015) / 14 nm) | ✨ Modern (Comet Lake-R (2021) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E3-1280 v5 | Core i3-10105 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($90) |
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 E3-1280 v5 and Core i3-10105
Xeon E3-1280 v5
The Xeon E3-1280 v5 is manufactured by Intel. It was released in 19 October 2015 (10 years ago). It is based on the Skylake-S (2015) architecture. It features 4 cores and 8 threads. Base frequency is 3.7 GHz, with boost up to 4 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 80 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 8,254 points. Launch price was $612.
Core i3-10105
The Core i3-10105 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 3.7 GHz, with boost up to 4.4 GHz. L3 cache: 6 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: 8,242 points. Launch price was $122.
Processing Power
Both the Xeon E3-1280 v5 and Core i3-10105 share an identical 4-core/8-thread configuration. Boost clocks reach 4 GHz on the Xeon E3-1280 v5 versus 4.4 GHz on the Core i3-10105 — a 9.5% clock advantage for the Core i3-10105 (base: 3.7 GHz vs 3.7 GHz). The Xeon E3-1280 v5 uses the Skylake-S (2015) architecture (14 nm), while the Core i3-10105 uses Comet Lake-R (2021) (14 nm). In PassMark, the Xeon E3-1280 v5 scores 8,254 against the Core i3-10105's 8,242 — a 0.1% lead for the Xeon E3-1280 v5. L3 cache: 8 MB (total) on the Xeon E3-1280 v5 vs 6 MB (total) on the Core i3-10105.
| Feature | Xeon E3-1280 v5 | Core i3-10105 |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 4 GHz | 4.4 GHz+10% |
| Base Clock | 3.7 GHz | 3.7 GHz |
| L3 Cache | 8 MB (total)+33% | 6 MB (total) |
| L2 Cache | 256K (per core) | 256 kB (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Skylake-S (2015) | Comet Lake-R (2021) |
| PassMark | 8,254 | 8,242 |
Memory & Platform
The Xeon E3-1280 v5 uses the LGA1151 socket (PCIe 3.0), while the Core i3-10105 uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E3-1280 v5 | Core i3-10105 |
|---|---|---|
| Socket | LGA1151 | LGA1200 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | — | DDR4-2666 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Xeon E3-1280 v5) / VT-x, VT-d (Core i3-10105). The Core i3-10105 includes integrated graphics (UHD Graphics 630), while the Xeon E3-1280 v5 requires a dedicated GPU. Primary use case: Core i3-10105 targets Desktop.
| Feature | Xeon E3-1280 v5 | Core i3-10105 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | UHD Graphics 630 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | Desktop |
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