Core i3-1305U vs Xeon E3-1245 v6
Core i3-1305U
Xeon E3-1245 v6
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. The Core i3-1305U is positioned at rank 468 and the Xeon E3-1245 v6 is on rank 495, so the Core i3-1305U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i3-1305U
Performance Per Dollar Xeon E3-1245 v6
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-1305U | Xeon E3-1245 v6 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Raptor Lake-U (2023) / Intel 7 nm) | ✨ Modern (Kaby Lake (2016−2019) / 14 nm) |
💎 Value Proposition
| Insight | Core i3-1305U | Xeon E3-1245 v6 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 i3-1305U and Xeon E3-1245 v6
Core i3-1305U
The Core i3-1305U is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-U (2023) architecture. It features 5 cores and 6 threads. Base frequency is 1.6 GHz, with boost up to 4.5 GHz. L3 cache: 10 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR5-5200, DDR4-3200, LPDDR4x-4267. Passmark benchmark score: 8,634 points. Launch price was $309.
Xeon E3-1245 v6
The Xeon E3-1245 v6 is manufactured by Intel. It was released in 28 March 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 4 cores and 8 threads. Base frequency is 3.7 GHz, with boost up to 4.1 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 73 Watt. Memory support: DDR4-2400, DDR3L-1866. Passmark benchmark score: 8,711 points. Launch price was $284.
Processing Power
The Core i3-1305U packs 5 cores / 6 threads, while the Xeon E3-1245 v6 offers 4 cores / 8 threads — the Core i3-1305U has 1 more core. Boost clocks reach 4.5 GHz on the Core i3-1305U versus 4.1 GHz on the Xeon E3-1245 v6 — a 9.3% clock advantage for the Core i3-1305U (base: 1.6 GHz vs 3.7 GHz). The Core i3-1305U uses the Raptor Lake-U (2023) architecture (Intel 7 nm), while the Xeon E3-1245 v6 uses Kaby Lake (2016−2019) (14 nm). In PassMark, the Core i3-1305U scores 8,634 against the Xeon E3-1245 v6's 8,711 — a 0.9% lead for the Xeon E3-1245 v6. L3 cache: 10 MB (total) on the Core i3-1305U vs 8 MB on the Xeon E3-1245 v6.
| Feature | Core i3-1305U | Xeon E3-1245 v6 |
|---|---|---|
| Cores / Threads | 5 / 6+25% | 4 / 8 |
| Boost Clock | 4.5 GHz+10% | 4.1 GHz |
| Base Clock | 1.6 GHz | 3.7 GHz+131% |
| L3 Cache | 10 MB (total)+25% | 8 MB |
| L2 Cache | 1.25 MB (per core)+25% | 1 MB |
| Process | Intel 7 nm-50% | 14 nm |
| Architecture | Raptor Lake-U (2023) | Kaby Lake (2016−2019) |
| PassMark | 8,634 | 8,711 |
| Cinebench R23 Multi | 4,388 | — |
| Geekbench 6 Single | 1,960 | — |
| Geekbench 6 Multi | 1,900 | — |
Memory & Platform
The Core i3-1305U uses the FCBGA1744 socket (PCIe 5.0), while the Xeon E3-1245 v6 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i3-1305U | Xeon E3-1245 v6 |
|---|---|---|
| Socket | FCBGA1744 | LGA1151 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | DDR5-5200 | — |
| Max RAM Capacity | 96 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 20 | — |
Advanced Features
Virtualization: VT-x, VT-d (Core i3-1305U) / not specified (Xeon E3-1245 v6). The Core i3-1305U includes integrated graphics (Intel UHD Graphics), while the Xeon E3-1245 v6 requires a dedicated GPU. Primary use case: Core i3-1305U targets Budget Laptop.
| Feature | Core i3-1305U | Xeon E3-1245 v6 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel UHD Graphics | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Budget Laptop | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Core i3-1305U and Xeon E3-1245 v6
