Xeon E3-1271 v3 vs Xeon E3-1535M v5
Xeon E3-1271 v3
Xeon E3-1535M v5
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 E3-1271 v3 is positioned at rank 862 and the Xeon E3-1535M v5 is on rank 396, so the Xeon E3-1535M v5 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E3-1271 v3
Performance Per Dollar Xeon E3-1535M v5
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E3-1271 v3 | Xeon E3-1535M v5 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($831) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Legacy / 22 nm) | 🛑 Legacy (Skylake-H (2015−2016) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E3-1271 v3 | Xeon E3-1535M v5 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($831) | ✅ 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 Xeon E3-1271 v3 and Xeon E3-1535M v5
Xeon E3-1271 v3
The Xeon E3-1271 v3 is manufactured by Intel. It was released in 2015-01-01. It features 4 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4 GHz. L3 cache: 8 MB Intel® Smart Cache. Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 80 Watt. Memory support: DDR3L-1333, DDR3L-1600. Passmark benchmark score: 7,504 points. Launch price was $800.
Xeon E3-1535M v5
The Xeon E3-1535M v5 is manufactured by Intel. It was released in 27 October 2015 (10 years ago). It is based on the Skylake-H (2015−2016) architecture. It features 4 cores and 8 threads. Base frequency is 2.9 GHz, with boost up to 3.8 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 45 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 7,480 points. Launch price was $623.
Processing Power
Both the Xeon E3-1271 v3 and Xeon E3-1535M v5 share an identical 4-core/8-thread configuration. Boost clocks reach 4 GHz on the Xeon E3-1271 v3 versus 3.8 GHz on the Xeon E3-1535M v5 — a 5.1% clock advantage for the Xeon E3-1271 v3 (base: 3.6 GHz vs 2.9 GHz). The Xeon E3-1535M v5 is built on the Skylake-H (2015−2016) architecture. In PassMark, the Xeon E3-1271 v3 scores 7,504 against the Xeon E3-1535M v5's 7,480 — a 0.3% lead for the Xeon E3-1271 v3. L3 cache: 8 MB Intel® Smart Cache on the Xeon E3-1271 v3 vs 8 MB (total) on the Xeon E3-1535M v5.
| Feature | Xeon E3-1271 v3 | Xeon E3-1535M v5 |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 4 GHz+5% | 3.8 GHz |
| Base Clock | 3.6 GHz+24% | 2.9 GHz |
| L3 Cache | 8 MB Intel® Smart Cache | 8 MB (total) |
| L2 Cache | — | 256 kB (per core) |
| Process | 22 nm | 14 nm-36% |
| Architecture | — | Skylake-H (2015−2016) |
| PassMark | 7,504 | 7,480 |
| Geekbench 6 Single | 1,308 | — |
| Geekbench 6 Multi | 4,328 | — |
Memory & Platform
The Xeon E3-1271 v3 uses the LGA1150 socket (PCIe 3.0), while the Xeon E3-1535M v5 uses BGA1440 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E3-1271 v3 | Xeon E3-1535M v5 |
|---|---|---|
| Socket | LGA1150 | BGA1440 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR3-1600 | — |
| Max RAM Capacity | 32 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Xeon E3-1271 v3) / not specified (Xeon E3-1535M v5). Primary use case: Xeon E3-1271 v3 targets Server. Direct competitor: Xeon E3-1271 v3 rivals Core i7-4770.
| Feature | Xeon E3-1271 v3 | Xeon E3-1535M v5 |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | Server | — |
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