Xeon E3-1275 vs Core i5-5675R
Xeon E3-1275
Core i5-5675R
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 E3-1275 is positioned at rank 522 and the Core i5-5675R is on rank 876, so the Xeon E3-1275 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E3-1275
Performance Per Dollar Core i5-5675R
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E3-1275 | Core i5-5675R |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($392) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Broadwell (2015−2019) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E3-1275 | Core i5-5675R |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($392) |
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 E3-1275 and Core i5-5675R
Xeon E3-1275
The Xeon E3-1275 is manufactured by Intel. It was released in 3 April 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.4 GHz, with boost up to 3.8 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,496 points. Launch price was $450.
Core i5-5675R
The Core i5-5675R is manufactured by Intel. It was released in 15 May 2015 (10 years ago). It is based on the Broadwell (2015−2019) architecture. It features 4 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.6 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: BGA1364. Thermal design power (TDP): 65 Watt. Memory support: DDR3L-1333, DDR3L-1600, DDR3L-1866. Passmark benchmark score: 5,564 points. Launch price was $149.
Processing Power
The Xeon E3-1275 packs 4 cores / 8 threads, matching the Core i5-5675R's 4 cores. Boost clocks reach 3.8 GHz on the Xeon E3-1275 versus 3.6 GHz on the Core i5-5675R — a 5.4% clock advantage for the Xeon E3-1275 (base: 3.4 GHz vs 3.1 GHz). The Xeon E3-1275 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Core i5-5675R uses Broadwell (2015−2019) (14 nm). In PassMark, the Xeon E3-1275 scores 5,496 against the Core i5-5675R's 5,564 — a 1.2% lead for the Core i5-5675R. L3 cache: 8 MB (total) on the Xeon E3-1275 vs 4 MB (total) on the Core i5-5675R.
| Feature | Xeon E3-1275 | Core i5-5675R |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 4 |
| Boost Clock | 3.8 GHz+6% | 3.6 GHz |
| Base Clock | 3.4 GHz+10% | 3.1 GHz |
| L3 Cache | 8 MB (total)+100% | 4 MB (total) |
| L2 Cache | 256 kB (per core) | 256K (per core) |
| Process | 32 nm | 14 nm-56% |
| Architecture | Sandy Bridge (2011−2013) | Broadwell (2015−2019) |
| PassMark | 5,496 | 5,564+1% |
| Geekbench 6 Single | — | 1,157 |
Memory & Platform
The Xeon E3-1275 uses the LGA1155 socket (PCIe 2.0), while the Core i5-5675R uses BGA1364 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E3-1275 | Core i5-5675R |
|---|---|---|
| Socket | LGA1155 | BGA1364 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | — | DDR3L-1866 |
| Max RAM Capacity | — | 32 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Xeon E3-1275) / VT-x, VT-d, EPT (Core i5-5675R). The Core i5-5675R includes integrated graphics (Iris Pro Graphics 6200), while the Xeon E3-1275 requires a dedicated GPU. Primary use case: Core i5-5675R targets All-in-One Desktop. Direct competitor: Core i5-5675R rivals A10-7890K.
| Feature | Xeon E3-1275 | Core i5-5675R |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Iris Pro Graphics 6200 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d, EPT |
| Target Use | — | All-in-One Desktop |
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