Xeon E3-1225 v6 vs Core i5-8265U
Xeon E3-1225 v6
Core i5-8265U
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 Xeon E3-1225 v6 is positioned at rank 503 and the Core i5-8265U is on rank 353, so the Core i5-8265U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E3-1225 v6
Performance Per Dollar Core i5-8265U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E3-1225 v6 | Core i5-8265U |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Kaby Lake (2016−2019) / 14 nm) | ✨ Modern (Whiskey Lake-U (2018−2019) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E3-1225 v6 | Core i5-8265U |
|---|---|---|
| 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 Xeon E3-1225 v6 and Core i5-8265U
Xeon E3-1225 v6
The Xeon E3-1225 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 4 threads. Base frequency is 3.3 GHz, with boost up to 3.7 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: 5,740 points. Launch price was $213.
Core i5-8265U
The Core i5-8265U is manufactured by Intel. It was released in 1 October 2018 (7 years ago). It is based on the Whiskey Lake-U (2018−2019) architecture. It features 4 cores and 8 threads. Base frequency is 1.6 GHz, with boost up to 3.9 GHz. L3 cache: 6 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 5,812 points. Launch price was $297.
Processing Power
The Xeon E3-1225 v6 packs 4 cores / 4 threads, matching the Core i5-8265U's 4 cores. Boost clocks reach 3.7 GHz on the Xeon E3-1225 v6 versus 3.9 GHz on the Core i5-8265U — a 5.3% clock advantage for the Core i5-8265U (base: 3.3 GHz vs 1.6 GHz). The Xeon E3-1225 v6 uses the Kaby Lake (2016−2019) architecture (14 nm), while the Core i5-8265U uses Whiskey Lake-U (2018−2019) (14 nm). In PassMark, the Xeon E3-1225 v6 scores 5,740 against the Core i5-8265U's 5,812 — a 1.2% lead for the Core i5-8265U. L3 cache: 8 MB on the Xeon E3-1225 v6 vs 6 MB (total) on the Core i5-8265U.
| Feature | Xeon E3-1225 v6 | Core i5-8265U |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 8 |
| Boost Clock | 3.7 GHz | 3.9 GHz+5% |
| Base Clock | 3.3 GHz+106% | 1.6 GHz |
| L3 Cache | 8 MB+33% | 6 MB (total) |
| L2 Cache | 1 MB+300% | 256 kB (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Kaby Lake (2016−2019) | Whiskey Lake-U (2018−2019) |
| PassMark | 5,740 | 5,812+1% |
| Cinebench R23 Multi | — | 3,000 |
| Geekbench 6 Single | — | 1,200 |
| Geekbench 6 Multi | — | 3,500 |
Memory & Platform
The Xeon E3-1225 v6 uses the LGA1151 socket (PCIe 3.0), while the Core i5-8265U uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E3-1225 v6 | Core i5-8265U |
|---|---|---|
| Socket | LGA1151 | FCBGA1528 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | — | DDR4-2400 |
| Max RAM Capacity | — | 64 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Xeon E3-1225 v6) / VT-x, VT-d, EPT (Core i5-8265U). The Core i5-8265U includes integrated graphics (Intel UHD Graphics 620), while the Xeon E3-1225 v6 requires a dedicated GPU. Primary use case: Core i5-8265U targets Mainstream Laptop.
| Feature | Xeon E3-1225 v6 | Core i5-8265U |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Intel UHD Graphics 620 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d, EPT |
| Target Use | — | Mainstream Laptop |
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