Athlon II X3 420e vs Core 2 Duo E7300
Athlon II X3 420e
Core 2 Duo E7300
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 X3 420e is positioned at rank 906 and the Core 2 Duo E7300 is on rank 969, so the Athlon II X3 420e 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 X3 420e
Performance Per Dollar Core 2 Duo E7300
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X3 420e | Core 2 Duo E7300 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($15) | ⚠️ Higher cost ($133) |
| Longevity | 🛑 Legacy (Rana (2009−2011) / 45 nm) | 🛑 Legacy (Wolfdale (2008−2010) / 45 nm) |
💎 Value Proposition
| Insight | Athlon II X3 420e | Core 2 Duo E7300 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+788%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($15) | ⚠️ Higher cost ($133) |
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 X3 420e and Core 2 Duo E7300
Athlon II X3 420e
The Athlon II X3 420e is manufactured by AMD. It was released in 21 September 2010 (15 years ago). It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 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): 45 Watt. Memory support: DDR3. Passmark benchmark score: 1,557 points. Launch price was $116.
Core 2 Duo E7300
The Core 2 Duo E7300 is manufactured by Intel. It was released in 2008-01-01. It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 2.66 GHz, with boost up to 2.67 GHz. L3 cache: 0 kB. L2 cache: 3 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,555 points. Launch price was $249.
Processing Power
The Athlon II X3 420e packs 3 cores / 3 threads, while the Core 2 Duo E7300 offers 2 cores / 2 threads — the Athlon II X3 420e has 1 more core. Boost clocks reach 2.6 GHz on the Athlon II X3 420e versus 2.67 GHz on the Core 2 Duo E7300 — a 2.7% clock advantage for the Core 2 Duo E7300 (base: 2.6 GHz vs 2.66 GHz). The Athlon II X3 420e uses the Rana (2009−2011) architecture (45 nm), while the Core 2 Duo E7300 uses Wolfdale (2008−2010) (45 nm). In PassMark, the Athlon II X3 420e scores 1,557 against the Core 2 Duo E7300's 1,555 — a 0.1% lead for the Athlon II X3 420e. Geekbench 6 single-core — the metric most relevant to gaming — records 314 vs 412, a 27% lead for the Core 2 Duo E7300 that directly translates to higher frame rates. Multi-core Geekbench: 880 vs 725 (19.3% advantage for the Athlon II X3 420e). Both processors carry 0 kB of L3 cache.
| Feature | Athlon II X3 420e | Core 2 Duo E7300 |
|---|---|---|
| Cores / Threads | 3 / 3+50% | 2 / 2 |
| Boost Clock | 2.6 GHz | 2.67 GHz+3% |
| Base Clock | 2.6 GHz | 2.66 GHz+2% |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB (per core) | 3 MB (total)+500% |
| Process | 45 nm | 45 nm |
| Architecture | Rana (2009−2011) | Wolfdale (2008−2010) |
| PassMark | 1,557 | 1,555 |
| Geekbench 6 Single | 314 | 412+31% |
| Geekbench 6 Multi | 880+21% | 725 |
Memory & Platform
The Athlon II X3 420e uses the AM3 socket (PCIe 2.0), while the Core 2 Duo E7300 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Athlon II X3 420e versus DDR2-800 on the Core 2 Duo E7300 — the Athlon II X3 420e supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon II X3 420e supports up to 16 GB of RAM compared to 8 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: 760G,785G,880G (Athlon II X3 420e) and P35,G33,G41,P45 (Core 2 Duo E7300).
| Feature | Athlon II X3 420e | Core 2 Duo E7300 |
|---|---|---|
| Socket | AM3 | LGA775 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-1333+50% | DDR2-800 |
| Max RAM Capacity | 16 GB+100% | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Only the Core 2 Duo E7300 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: AMD-V (Athlon II X3 420e) vs VT-x (Core 2 Duo E7300). Primary use case: Athlon II X3 420e targets Legacy Desktop, Core 2 Duo E7300 targets Legacy Desktop. Direct competitor: Athlon II X3 420e rivals Athlon II X3 415e; Core 2 Duo E7300 rivals Athlon II X2 245.
| Feature | Athlon II X3 420e | Core 2 Duo E7300 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | — | None |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | AMD-V | VT-x |
| Target Use | Legacy Desktop | Legacy Desktop |
Value Analysis
The Athlon II X3 420e launched at $107 MSRP, while the Core 2 Duo E7300 debuted at $133. At current prices ($15 vs $133), the Athlon II X3 420e is $118 cheaper. In terms of value (PassMark points per dollar), the Athlon II X3 420e delivers 103.8 pts/$ vs 11.7 pts/$ for the Core 2 Duo E7300 — making the Athlon II X3 420e the 159.5% better value option.
| Feature | Athlon II X3 420e | Core 2 Duo E7300 |
|---|---|---|
| MSRP | $107-20% | $133 |
| Avg Price (30d) | $15-89% | $133 |
| Performance per Dollar | 103.8+787% | 11.7 |
| Release Date | 2010 | 2008 |
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