Xeon E5-1603 vs Phenom II X6 1075T
Xeon E5-1603
Phenom II X6 1075T
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 E5-1603 is positioned at rank 655 and the Phenom II X6 1075T is on rank 145, so the Phenom II X6 1075T offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E5-1603
Performance Per Dollar Phenom II X6 1075T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-1603 | Phenom II X6 1075T |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($245) |
| Longevity | 🛑 Legacy (Legacy / 32 nm) | 🛑 Legacy (Thuban (2010) / 45 nm) |
💎 Value Proposition
| Insight | Xeon E5-1603 | Phenom II X6 1075T |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($245) |
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 E5-1603 and Phenom II X6 1075T
Xeon E5-1603
The Xeon E5-1603 is manufactured by Intel. It was released in 2015-01-01. It features 4 cores and 4 threads. Base frequency: 2.8 GHz. L3 cache: 10 MB. Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 130 Watt. Memory support: DDR3-800, DDR3-1066. Passmark benchmark score: 3,482 points. Launch price was $800.
Phenom II X6 1075T
The Phenom II X6 1075T is manufactured by AMD. It was released in 21 September 2010 (15 years ago). It is based on the Thuban (2010) architecture. It features 6 cores and 6 threads. Base frequency is 3 GHz, with boost up to 3.5 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 125 Watt. Memory support: DDR3. Passmark benchmark score: 3,500 points. Launch price was $260.
Processing Power
The Xeon E5-1603 packs 4 cores / 4 threads, while the Phenom II X6 1075T offers 6 cores / 6 threads — the Phenom II X6 1075T has 2 more cores. The Phenom II X6 1075T is built on the Thuban (2010) architecture. In PassMark, the Xeon E5-1603 scores 3,482 against the Phenom II X6 1075T's 3,500 — a 0.5% lead for the Phenom II X6 1075T. L3 cache: 10 MB on the Xeon E5-1603 vs 6 MB (total) on the Phenom II X6 1075T.
| Feature | Xeon E5-1603 | Phenom II X6 1075T |
|---|---|---|
| Cores / Threads | 4 / 4 | 6 / 6+50% |
| Boost Clock | — | 3.5 GHz |
| Base Clock | 2.8 GHz | 3 GHz+7% |
| L3 Cache | 10 MB+67% | 6 MB (total) |
| L2 Cache | — | 512 kB (per core) |
| Process | 32 nm-29% | 45 nm |
| Architecture | — | Thuban (2010) |
| PassMark | 3,482 | 3,500 |
| Cinebench R23 Multi | — | 1,896 |
| Geekbench 6 Single | — | 679 |
| Geekbench 6 Multi | — | 1,960 |
Memory & Platform
The Xeon E5-1603 uses the LGA2011 socket (PCIe 2.0), while the Phenom II X6 1075T uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Xeon E5-1603 | Phenom II X6 1075T |
|---|---|---|
| Socket | LGA2011 | AM3 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | — | DDR3-1333 |
| Max RAM Capacity | — | 32 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Xeon E5-1603) / AMD-V (Phenom II X6 1075T). Primary use case: Phenom II X6 1075T targets Gaming. Direct competitor: Phenom II X6 1075T rivals Core i5-750.
| Feature | Xeon E5-1603 | Phenom II X6 1075T |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Gaming |
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