
Athlon II X4 620

Phenom II X4 905e
Athlon II X4 620 vs Phenom II X4 905e Performance Spectrum
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.
Athlon II X4 620 vs Phenom II X4 905e FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

ARC Raiders

Civilization VI

Deadlock

Delta Force
Athlon II X4 620 vs Phenom II X4 905e: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Athlon II X4 620
2009Why buy it
- ✅Better for gaming: +4.2% higher average FPS across 27 shared CPU benchmark tests.
Trade-offs
- ❌Launch MSRP is still $99 MSRP, while Phenom II X4 905e mostly shows up through inconsistent older-market listings.
- ❌46.2% higher power demand at 95W vs 65W.
Phenom II X4 905e
2009Why buy it
- ✅Draws 65W instead of 95W, a 30W reduction.
Trade-offs
- ❌Worse for gaming: lower average FPS than Athlon II X4 620 across 27 shared CPU benchmark tests.
- ❌Lower PassMark (2,014 vs 2,026).
Quick Answers
So, is Athlon II X4 620 better than Phenom II X4 905e?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Athlon II X4 620 vs Phenom II X4 905e Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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.

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.
Processing Power
Both the Athlon II X4 620 and Phenom II X4 905e share an identical 4-core/4-thread configuration. Boost clocks reach 2.6 GHz on the Athlon II X4 620 versus 2.5 GHz on the Phenom II X4 905e — a 3.9% clock advantage for the Athlon II X4 620 (base: 2.6 GHz vs 2.5 GHz). The Athlon II X4 620 uses the Propus (2009−2011) architecture (45 nm), while the Phenom II X4 905e uses Deneb (2009−2011) (45 nm). In PassMark, the Athlon II X4 620 scores 2,026 against the Phenom II X4 905e's 2,014 — a 0.6% lead for the Athlon II X4 620. L3 cache: 0 kB on the Athlon II X4 620 vs 6 MB (total) on the Phenom II X4 905e.
| Feature | Athlon II X4 620 | Phenom II X4 905e |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 2.6 GHz+4% | 2.5 GHz |
| Base Clock | 2.6 GHz+4% | 2.5 GHz |
| L3 Cache | 0 kB | 6 MB (total) |
| L2 Cache | 512 kB (per core) | 512 kB (per core) |
| Process | 45 nm | 45 nm |
| Architecture | Propus (2009−2011) | Deneb (2009−2011) |
| PassMark | 2,026 | 2,014 |
Memory & Platform
Both processors use the AM3 socket with PCIe 2.0.
| Feature | Athlon II X4 620 | Phenom II X4 905e |
|---|---|---|
| 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 | No | — |
| PCIe Lanes | 0 | — |
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