Athlon II X4 641 vs Xeon E5-2603
Athlon II X4 641
Xeon E5-2603
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 Athlon II X4 641 is positioned at rank 733 and the Xeon E5-2603 is on rank 825, so the Athlon II X4 641 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon II X4 641
Performance Per Dollar Xeon E5-2603
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X4 641 | Xeon E5-2603 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($102) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Llano (2011−2012) / 32 nm) | 🛑 Legacy (Sandy Bridge-EP (2012) / 32 nm) |
💎 Value Proposition
| Insight | Athlon II X4 641 | Xeon E5-2603 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($102) | ✅ 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 Athlon II X4 641 and Xeon E5-2603
Athlon II X4 641
The Athlon II X4 641 is manufactured by AMD. It was released in 2009-01-01. It is based on the Llano (2011−2012) architecture. It features 4 cores and 4 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FM1. Thermal design power (TDP): 100 Watt. Memory support: DDR3. Passmark benchmark score: 2,313 points. Launch price was $149.
Xeon E5-2603
The Xeon E5-2603 is manufactured by Intel. It was released in 6 March 2012 (13 years ago). It is based on the Sandy Bridge-EP (2012) architecture. It features 4 cores and 4 threads. Base frequency is 1.8 GHz, with boost up to 1.8 GHz. L3 cache: 10240 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 2,325 points. Launch price was $207.
Processing Power
Both the Athlon II X4 641 and Xeon E5-2603 share an identical 4-core/4-thread configuration. Boost clocks reach 2.8 GHz on the Athlon II X4 641 versus 1.8 GHz on the Xeon E5-2603 — a 43.5% clock advantage for the Athlon II X4 641 (base: 2.8 GHz vs 1.8 GHz). The Athlon II X4 641 uses the Llano (2011−2012) architecture (32 nm), while the Xeon E5-2603 uses Sandy Bridge-EP (2012) (32 nm). In PassMark, the Athlon II X4 641 scores 2,313 against the Xeon E5-2603's 2,325 — a 0.5% lead for the Xeon E5-2603. L3 cache: 0 kB on the Athlon II X4 641 vs 10240 kB (total) on the Xeon E5-2603.
| Feature | Athlon II X4 641 | Xeon E5-2603 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 2.8 GHz+56% | 1.8 GHz |
| Base Clock | 2.8 GHz+56% | 1.8 GHz |
| L3 Cache | 0 kB | 10240 kB (total) |
| L2 Cache | 1 MB (per core)+300% | 256 kB (per core) |
| Process | 32 nm | 32 nm |
| Architecture | Llano (2011−2012) | Sandy Bridge-EP (2012) |
| PassMark | 2,313 | 2,325 |
Memory & Platform
The Athlon II X4 641 uses the FM1 socket (PCIe 2.0), while the Xeon E5-2603 uses LGA2011 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Athlon II X4 641 | Xeon E5-2603 |
|---|---|---|
| Socket | FM1 | LGA2011 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1866 | — |
| Max RAM Capacity | 64 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
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