CPU
GPU
Athlon II X4 620
Xeon X5355
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 620 is positioned at rank 789 and the Xeon X5355 is on rank 1032, so the Athlon II X4 620 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 620
Performance Per Dollar Xeon X5355
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X4 620 | Xeon X5355 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($15) | ⚠️ Higher cost ($4,000) |
| Longevity | 🛑 Legacy (Propus (2009−2011) / 45 nm) | 🛑 Legacy (Clovertown (2006−2007) / 65 nm) |
💎 Value Proposition
| Insight | Athlon II X4 620 | Xeon X5355 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+26397%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($15) | ⚠️ Higher cost ($4,000) |
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 620 and Xeon X5355
Athlon II X4 620
The Athlon II X4 620 is manufactured by AMD. It was released in 16 September 2009 (16 years ago). It is based on the Propus (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 2,026 points. Launch price was $65.
Xeon X5355
The Xeon X5355 is manufactured by Intel. It was released in 14 November 2006 (19 years ago). It is based on the Clovertown (2006−2007) architecture. It features 4 cores and 4 threads. Base frequency is 2.66 GHz, with boost up to 0.67 GHz. L3 cache: 8 MB L2 Cache. L2 cache: 4 MB (total). Built on 65 nm process technology. Socket: LGA771. Thermal design power (TDP): 120 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 2,039 points. Launch price was $1,172.
Processing Power
Both the Athlon II X4 620 and Xeon X5355 share an identical 4-core/4-thread configuration. Boost clocks reach 2.6 GHz on the Athlon II X4 620 versus 0.67 GHz on the Xeon X5355 — a 118% clock advantage for the Athlon II X4 620 (base: 2.6 GHz vs 2.66 GHz). The Athlon II X4 620 uses the Propus (2009−2011) architecture (45 nm), while the Xeon X5355 uses Clovertown (2006−2007) (65 nm). In PassMark, the Athlon II X4 620 scores 2,026 against the Xeon X5355's 2,039 — a 0.6% lead for the Xeon X5355. L3 cache: 0 kB on the Athlon II X4 620 vs 8 MB L2 Cache on the Xeon X5355.
| Feature | Athlon II X4 620 | Xeon X5355 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 2.6 GHz+288% | 0.67 GHz |
| Base Clock | 2.6 GHz | 2.66 GHz+2% |
| L3 Cache | 0 kB | 8 MB L2 Cache |
| L2 Cache | 512 kB (per core) | 4 MB (total)+700% |
| Process | 45 nm-31% | 65 nm |
| Architecture | Propus (2009−2011) | Clovertown (2006−2007) |
| PassMark | 2,026 | 2,039 |
Memory & Platform
The Athlon II X4 620 uses the AM3 socket (PCIe 2.0), while the Xeon X5355 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Athlon II X4 620 | Xeon X5355 |
|---|---|---|
| Socket | AM3 | LGA771 |
| 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 | 0 | — |
Value Analysis
The Athlon II X4 620 launched at $99 MSRP, while the Xeon X5355 debuted at $4491. At current prices ($15 vs $4000), the Athlon II X4 620 is $3985 cheaper. In terms of value (PassMark points per dollar), the Athlon II X4 620 delivers 135.1 pts/$ vs 0.5 pts/$ for the Xeon X5355 — making the Athlon II X4 620 the 198.5% better value option.
| Feature | Athlon II X4 620 | Xeon X5355 |
|---|---|---|
| MSRP | $99-98% | $4491 |
| Avg Price (30d) | $15-100% | $4000 |
| Performance per Dollar | 135.1+26920% | 0.5 |
| Release Date | 2009 | 2006 |
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