Opteron 3320 EE vs Xeon E5603
Opteron 3320 EE
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 Opteron 3320 EE is positioned at rank 282 and the Xeon E5603 is on rank 863, so the Opteron 3320 EE offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Opteron 3320 EE
Performance Per Dollar Xeon E5603
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Opteron 3320 EE | Xeon E5603 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($188) |
| Longevity | 🛑 Legacy (Delhi (2012−2013) / 32 nm) | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Opteron 3320 EE | Xeon E5603 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ 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 Opteron 3320 EE and Xeon E5603
Opteron 3320 EE
The Opteron 3320 EE is manufactured by AMD. It was released in 2015-01-01. It is based on the Delhi (2012−2013) architecture. It features 4 cores and 4 threads. Base frequency is 1.9 GHz, with boost up to 2.5 GHz. L3 cache: 8192 kB (total). L2 cache: 4096 kB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 25 Watt. Memory support: DDR3. Passmark benchmark score: 1,918 points. Launch price was $800.
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
Both the Opteron 3320 EE and Xeon E5603 share an identical 4-core/4-thread configuration. Boost clocks reach 2.5 GHz on the Opteron 3320 EE versus 1.6 GHz on the Xeon E5603 — a 43.9% clock advantage for the Opteron 3320 EE (base: 1.9 GHz vs 1.6 GHz). The Opteron 3320 EE uses the Delhi (2012−2013) architecture (32 nm), while the Xeon E5603 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Opteron 3320 EE scores 1,918 against the Xeon E5603's 1,935 — a 0.9% lead for the Xeon E5603. L3 cache: 8192 kB (total) on the Opteron 3320 EE vs 4 MB (total) on the Xeon E5603.
| Feature | Opteron 3320 EE | Xeon E5603 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 2.5 GHz+56% | 1.6 GHz |
| Base Clock | 1.9 GHz+19% | 1.6 GHz |
| L3 Cache | 8192 kB (total)+100% | 4 MB (total) |
| L2 Cache | 4096 kB+1500% | 256 kB (per core) |
| Process | 32 nm | 32 nm |
| Architecture | Delhi (2012−2013) | Westmere-EP (2010−2011) |
| PassMark | 1,918 | 1,935 |
Memory & Platform
The Opteron 3320 EE uses the AM3+ socket (PCIe 2.0), while the Xeon E5603 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Opteron 3320 EE | Xeon E5603 |
|---|---|---|
| Socket | AM3+ | LGA1366 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | — | DDR3-1066 |
| Max RAM Capacity | — | 288 GB |
| RAM Channels | — | 3 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 32 |
Advanced Features
Virtualization: not specified (Opteron 3320 EE) / VT-x, VT-d (Xeon E5603). Primary use case: Xeon E5603 targets Server.
| Feature | Opteron 3320 EE | Xeon E5603 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | Server |
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