
Xeon E7530

Xeon E3-1275 v3
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 E7530 is positioned at rank 987 and the Xeon E3-1275 v3 is on rank 411, so the Xeon E3-1275 v3 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E7530
Performance Per Dollar Xeon E3-1275 v3
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E7530 | Xeon E3-1275 v3 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($146) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Legacy / 45 nm) | 🛑 Legacy (Haswell-WS (2013−2014) / 22 nm) |
💎 Value Proposition
| Insight | Xeon E7530 | Xeon E3-1275 v3 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($146) | ✅ 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 E7530 and Xeon E3-1275 v3

Xeon E7530
The Xeon E7530 is manufactured by Intel. It was released in 2015-01-01. It features 6 cores and 12 threads. Base frequency is 1.87 GHz, with boost up to 2.13 GHz. L3 cache: 12 MB L3 Cache. Built on 45 nm process technology. Socket: LGA1567. Thermal design power (TDP): 105 Watt. Passmark benchmark score: 7,231 points. Launch price was $800.

Xeon E3-1275 v3
The Xeon E3-1275 v3 is manufactured by Intel. It was released in 2 June 2013 (12 years ago). It is based on the Haswell-WS (2013−2014) architecture. It features 4 cores and 8 threads. Base frequency is 3.5 GHz, with boost up to 3.9 GHz. L3 cache: 8192 kB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 84 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 7,220 points. Launch price was $531.
Processing Power
The Xeon E7530 packs 6 cores / 12 threads, while the Xeon E3-1275 v3 offers 4 cores / 8 threads — the Xeon E7530 has 2 more cores. Boost clocks reach 2.13 GHz on the Xeon E7530 versus 3.9 GHz on the Xeon E3-1275 v3 — a 58.7% clock advantage for the Xeon E3-1275 v3 (base: 1.87 GHz vs 3.5 GHz). The Xeon E3-1275 v3 is built on the Haswell-WS (2013−2014) architecture. In PassMark, the Xeon E7530 scores 7,231 against the Xeon E3-1275 v3's 7,220 — a 0.2% lead for the Xeon E7530. L3 cache: 12 MB L3 Cache on the Xeon E7530 vs 8192 kB (total) on the Xeon E3-1275 v3.
| Feature | Xeon E7530 | Xeon E3-1275 v3 |
|---|---|---|
| Cores / Threads | 6 / 12+50% | 4 / 8 |
| Boost Clock | 2.13 GHz | 3.9 GHz+83% |
| Base Clock | 1.87 GHz | 3.5 GHz+87% |
| L3 Cache | 12 MB L3 Cache+50% | 8192 kB (total) |
| L2 Cache | — | 256 kB (per core) |
| Process | 45 nm | 22 nm-51% |
| Architecture | — | Haswell-WS (2013−2014) |
| PassMark | 7,231 | 7,220 |
Memory & Platform
The Xeon E7530 uses the LGA1567 socket (PCIe 2.0), while the Xeon E3-1275 v3 uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E7530 | Xeon E3-1275 v3 |
|---|---|---|
| Socket | LGA1567 | LGA1150 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
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