
Phenom II X4 905e

Athlon II X4 620
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 Phenom II X4 905e is positioned at rank 316 and the Athlon II X4 620 is on rank 789, so the Phenom II X4 905e offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Phenom II X4 905e
Performance Per Dollar Athlon II X4 620
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom II X4 905e | Athlon II X4 620 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
| Longevity | 🛑 Legacy (Deneb (2009−2011) / 45 nm) | 🛑 Legacy (Propus (2009−2011) / 45 nm) |
💎 Value Proposition
| Insight | Phenom II X4 905e | Athlon II X4 620 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
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 Phenom II X4 905e and Athlon II X4 620

Phenom II X4 905e
The Phenom II X4 905e is manufactured by AMD. It was released in 2 June 2009 (16 years ago). It is based on the Deneb (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 2.5 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 2,014 points. Launch price was $212.

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.
Processing Power
Both the Phenom II X4 905e and Athlon II X4 620 share an identical 4-core/4-thread configuration. Boost clocks reach 2.5 GHz on the Phenom II X4 905e versus 2.6 GHz on the Athlon II X4 620 — a 3.9% clock advantage for the Athlon II X4 620 (base: 2.5 GHz vs 2.6 GHz). The Phenom II X4 905e uses the Deneb (2009−2011) architecture (45 nm), while the Athlon II X4 620 uses Propus (2009−2011) (45 nm). In PassMark, the Phenom II X4 905e scores 2,014 against the Athlon II X4 620's 2,026 — a 0.6% lead for the Athlon II X4 620. L3 cache: 6 MB (total) on the Phenom II X4 905e vs 0 kB on the Athlon II X4 620.
| Feature | Phenom II X4 905e | Athlon II X4 620 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 2.5 GHz | 2.6 GHz+4% |
| Base Clock | 2.5 GHz | 2.6 GHz+4% |
| L3 Cache | 6 MB (total) | 0 kB |
| L2 Cache | 512 kB (per core) | 512 kB (per core) |
| Process | 45 nm | 45 nm |
| Architecture | Deneb (2009−2011) | Propus (2009−2011) |
| PassMark | 2,014 | 2,026 |
Memory & Platform
Both processors use the AM3 socket with PCIe 2.0.
| Feature | Phenom II X4 905e | Athlon II X4 620 |
|---|---|---|
| Socket | AM3 | 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 | — | 0 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.

















