CPU
GPU
Athlon II P360
Xeon E5603
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 P360 is positioned at rank 662 and the Xeon E5603 is on rank 863, so the Athlon II P360 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 P360
Performance Per Dollar Xeon E5603
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II P360 | Xeon E5603 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($10) | ⚠️ Higher cost ($188) |
| Longevity | 🛑 Legacy (Champlain (2010−2011) / 45 nm) | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Athlon II P360 | Xeon E5603 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+1791%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($10) | ⚠️ Higher cost ($188) |
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 P360 and Xeon E5603
Athlon II P360
The Athlon II P360 is manufactured by AMD. It was released in 2009-01-01. It is based on the Champlain (2010−2011) architecture. It features 2 cores and 2 threads. Max frequency: 2.3 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: S1g4. Thermal design power (TDP): 1 MB. Passmark benchmark score: 1,946 points. Launch price was $149.
Xeon E5603
The Xeon E5603 is manufactured by Intel. It was released in 14 February 2011 (14 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 4 cores and 4 threads. Base frequency is 1.6 GHz, with boost up to 1.6 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 1,935 points. Launch price was $286.
Processing Power
The Athlon II P360 packs 2 cores / 2 threads, while the Xeon E5603 offers 4 cores / 4 threads — the Xeon E5603 has 2 more cores. Boost clocks reach 2.3 GHz on the Athlon II P360 versus 1.6 GHz on the Xeon E5603 — a 35.9% clock advantage for the Athlon II P360. The Athlon II P360 uses the Champlain (2010−2011) architecture (45 nm), while the Xeon E5603 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Athlon II P360 scores 1,946 against the Xeon E5603's 1,935 — a 0.6% lead for the Athlon II P360.
| Feature | Athlon II P360 | Xeon E5603 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2.3 GHz+44% | 1.6 GHz |
| Base Clock | — | 1.6 GHz |
| L3 Cache | — | 4 MB (total) |
| L2 Cache | 1 MB+300% | 256 kB (per core) |
| Process | 45 nm | 32 nm-29% |
| Architecture | Champlain (2010−2011) | Westmere-EP (2010−2011) |
| PassMark | 1,946 | 1,935 |
Memory & Platform
The Athlon II P360 uses the S1g4 socket (PCIe 2.0), while the Xeon E5603 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1066 on the Athlon II P360 versus DDR3-1066 on the Xeon E5603 — the Athlon II P360 supports 198.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon E5603 supports up to 288 GB of RAM compared to 8 — 189.2% more capacity for professional workloads. Memory channels: 2 (Athlon II P360) vs 3 (Xeon E5603). PCIe lanes: 0 (Athlon II P360) vs 32 (Xeon E5603) — the Xeon E5603 offers 32 more lanes for additional GPUs or NVMe drives.
| Feature | Athlon II P360 | Xeon E5603 |
|---|---|---|
| Socket | S1g4 | LGA1366 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | 1066+35433% | DDR3-1066 |
| Max RAM Capacity | 8 | 288 GB+3774873500% |
| RAM Channels | 2 | 3+50% |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 0 | 32 |
Advanced Features
Neither processor supports overclocking. Virtualization support: true (Athlon II P360) vs VT-x, VT-d (Xeon E5603). Primary use case: Xeon E5603 targets Server. Direct competitor: Athlon II P360 rivals Pentium P6000.
| Feature | Athlon II P360 | Xeon E5603 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | — |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | true | VT-x, VT-d |
| Target Use | — | Server |
Value Analysis
The Athlon II P360 launched at $60 MSRP, while the Xeon E5603 debuted at $188.
| Feature | Athlon II P360 | Xeon E5603 |
|---|---|---|
| MSRP | $60-68% | $188 |
| Avg Price (30d) | $10 | — |
| Release Date | 2010 | 2011 |
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