CPU
GPU
Athlon II X4 620
Celeron G3900E
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 Celeron G3900E is on rank 816, 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 Celeron G3900E
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X4 620 | Celeron G3900E |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($15) | ⚠️ Higher cost ($35) |
| Longevity | 🛑 Legacy (Propus (2009−2011) / 45 nm) | 🛑 Legacy (Skylake (2015−2016) / 14 nm) |
💎 Value Proposition
| Insight | Athlon II X4 620 | Celeron G3900E |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+132%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($15) | ⚠️ Higher cost ($35) |
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 Celeron G3900E
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.
Celeron G3900E
The Celeron G3900E is manufactured by Intel. It was released in 2 January 2016 (9 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 2 threads. Max frequency: 2.4 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 14 nm process technology. Thermal design power (TDP): 35 Watt. Memory support: LPDDR3-1866. Passmark benchmark score: 2,034 points. Launch price was $107.
Processing Power
The Athlon II X4 620 packs 4 cores / 4 threads, while the Celeron G3900E offers 2 cores / 2 threads — the Athlon II X4 620 has 2 more cores. Boost clocks reach 2.6 GHz on the Athlon II X4 620 versus 2.4 GHz on the Celeron G3900E — a 8% clock advantage for the Athlon II X4 620. The Athlon II X4 620 uses the Propus (2009−2011) architecture (45 nm), while the Celeron G3900E uses Skylake (2015−2016) (14 nm). In PassMark, the Athlon II X4 620 scores 2,026 against the Celeron G3900E's 2,034 — a 0.4% lead for the Celeron G3900E. L3 cache: 0 kB on the Athlon II X4 620 vs 2 MB on the Celeron G3900E.
| Feature | Athlon II X4 620 | Celeron G3900E |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 2.6 GHz+8% | 2.4 GHz |
| Base Clock | 2.6 GHz | — |
| L3 Cache | 0 kB | 2 MB |
| L2 Cache | 512 kB (per core) | 512 kB |
| Process | 45 nm | 14 nm-69% |
| Architecture | Propus (2009−2011) | Skylake (2015−2016) |
| PassMark | 2,026 | 2,034 |
| Geekbench 6 Single | — | 699 |
| Geekbench 6 Multi | — | 948 |
Memory & Platform
Maximum memory speed reaches DDR3-1333 on the Athlon II X4 620 versus DDR4-2133 on the Celeron G3900E — the Celeron G3900E supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G3900E supports up to 64 GB of RAM compared to 32 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon II X4 620) vs 16 (Celeron G3900E) — the Celeron G3900E offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD AM3 (Athlon II X4 620) and H110,B150,H170,Z170 (Celeron G3900E).
| Feature | Athlon II X4 620 | Celeron G3900E |
|---|---|---|
| Socket | AM3 | — |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1333 | DDR4-2133+33% |
| Max RAM Capacity | 32 GB | 64 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 0 | 16 |
Advanced Features
Virtualization: not specified (Athlon II X4 620) / VT-x (Celeron G3900E). The Celeron G3900E includes integrated graphics (HD Graphics 510), while the Athlon II X4 620 requires a dedicated GPU. Primary use case: Celeron G3900E targets Budget. Direct competitor: Celeron G3900E rivals Pentium G4400.
| Feature | Athlon II X4 620 | Celeron G3900E |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | HD Graphics 510 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Budget |
Value Analysis
The Athlon II X4 620 launched at $99 MSRP, while the Celeron G3900E debuted at $107. At current prices ($15 vs $35), the Athlon II X4 620 is $20 cheaper. In terms of value (PassMark points per dollar), the Athlon II X4 620 delivers 135.1 pts/$ vs 58.1 pts/$ for the Celeron G3900E — making the Athlon II X4 620 the 79.7% better value option.
| Feature | Athlon II X4 620 | Celeron G3900E |
|---|---|---|
| MSRP | $99-7% | $107 |
| Avg Price (30d) | $15-57% | $35 |
| Performance per Dollar | 135.1+133% | 58.1 |
| Release Date | 2009 | 2016 |
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