CPU
GPU
3020e
Athlon II X4 645
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 3020e is positioned at rank 805 and the Athlon II X4 645 is on rank 819, so the 3020e offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar 3020e
Performance Per Dollar Athlon II X4 645
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | 3020e | Athlon II X4 645 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($25) | ✅ More affordable ($20) |
| Longevity | ✨ Modern (Dali (Zen) (2020) / 14 nm) | 🛑 Legacy (Propus (2009−2011) / 45 nm) |
💎 Value Proposition
| Insight | 3020e | Athlon II X4 645 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+23%) |
| Upfront Cost | ⚠️ Higher cost ($25) | ✅ More affordable ($20) |
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 3020e and Athlon II X4 645
3020e
The 3020e is manufactured by AMD. It was released in 2014-01-01. It is based on the Dali (Zen) (2020) architecture. It features 2 cores and 2 threads. Base frequency is 1.2 GHz, with boost up to 2.6 GHz. L3 cache: 4 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: FT5. Thermal design power (TDP): 1 MB + 4 MB. Memory support: DDR4. Passmark benchmark score: 2,406 points. Launch price was $50.
Athlon II X4 645
The Athlon II X4 645 is manufactured by AMD. It was released in 21 September 2010 (15 years ago). It is based on the Propus (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.1 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: 2,375 points. Launch price was $80.
Processing Power
The 3020e packs 2 cores / 2 threads, while the Athlon II X4 645 offers 4 cores / 4 threads — the Athlon II X4 645 has 2 more cores. Boost clocks reach 2.6 GHz on the 3020e versus 3.1 GHz on the Athlon II X4 645 — a 17.5% clock advantage for the Athlon II X4 645 (base: 1.2 GHz vs 3.1 GHz). The 3020e uses the Dali (Zen) (2020) architecture (14 nm), while the Athlon II X4 645 uses Propus (2009−2011) (45 nm). In PassMark, the 3020e scores 2,406 against the Athlon II X4 645's 2,375 — a 1.3% lead for the 3020e. Cinebench R23 multi-core: 480 vs 1,374 (96.4% advantage for the Athlon II X4 645). Geekbench 6 single-core — the metric most relevant to gaming — records 660 vs 399, a 49.3% lead for the 3020e that directly translates to higher frame rates. Multi-core Geekbench: 1,100 vs 1,374 (22.2% advantage for the Athlon II X4 645). L3 cache: 4 MB on the 3020e vs 0 kB on the Athlon II X4 645.
| Feature | 3020e | Athlon II X4 645 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2.6 GHz | 3.1 GHz+19% |
| Base Clock | 1.2 GHz | 3.1 GHz+158% |
| L3 Cache | 4 MB | 0 kB |
| L2 Cache | 1 MB+100% | 512 kB (per core) |
| Process | 14 nm-69% | 45 nm |
| Architecture | Dali (Zen) (2020) | Propus (2009−2011) |
| PassMark | 2,406+1% | 2,375 |
| Cinebench R23 Multi | 480 | 1,374+186% |
| Geekbench 6 Single | 660+65% | 399 |
| Geekbench 6 Multi | 1,100 | 1,374+25% |
Memory & Platform
The 3020e uses the FT5 socket (PCIe 3.0), while the Athlon II X4 645 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the 3020e versus DDR3-1333 on the Athlon II X4 645 — the 3020e supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The 3020e supports up to 32 GB of RAM compared to 16 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 8 (3020e) vs 16 (Athlon II X4 645) — the Athlon II X4 645 offers 8 more lanes for additional GPUs or NVMe drives.
| Feature | 3020e | Athlon II X4 645 |
|---|---|---|
| Socket | FT5 | AM3 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-2400+33% | DDR3-1333 |
| Max RAM Capacity | 32 GB+100% | 16 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 8 | 16+100% |
Advanced Features
Virtualization support: AMD-V (3020e) vs Yes (Athlon II X4 645). The 3020e includes integrated graphics (Radeon Graphics (Vega 3)), while the Athlon II X4 645 requires a dedicated GPU. Primary use case: 3020e targets Entry Level Laptop, Athlon II X4 645 targets Desktop. Direct competitor: 3020e rivals Celeron N4020.
| Feature | 3020e | Athlon II X4 645 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Radeon Graphics (Vega 3) | — |
| Unlocked | No | — |
| AVX-512 | No | No |
| Virtualization | AMD-V | Yes |
| Target Use | Entry Level Laptop | Desktop |
Value Analysis
The 3020e launched at $100 MSRP, while the Athlon II X4 645 debuted at $126. At current prices ($25 vs $20), the Athlon II X4 645 is $5 cheaper. In terms of value (PassMark points per dollar), the 3020e delivers 96.2 pts/$ vs 118.8 pts/$ for the Athlon II X4 645 — making the Athlon II X4 645 the 20.9% better value option.
| Feature | 3020e | Athlon II X4 645 |
|---|---|---|
| MSRP | $100-21% | $126 |
| Avg Price (30d) | $25 | $20-20% |
| Performance per Dollar | 96.2 | 118.8+23% |
| Release Date | 2020 | 2010 |
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