
Athlon II X2 240 vs A4-3420

Athlon II X2 240

A4-3420
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 X2 240 is positioned at rank 852 and the A4-3420 is on rank 875, so the Athlon II X2 240 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 X2 240
Performance Per Dollar A4-3420
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X2 240 | A4-3420 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($10) | ⚠️ Higher cost ($30) |
| Longevity | 🛑 Legacy (Regor (2009−2013) / 45 nm) | 🛑 Legacy (Llano (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Athlon II X2 240 | A4-3420 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+198%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($10) | ⚠️ Higher cost ($30) |
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 X2 240 and A4-3420

Athlon II X2 240
The Athlon II X2 240 is manufactured by AMD. It was released in 23 July 2009 (16 years ago). It is based on the Regor (2009−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,060 points. Launch price was $35.

A4-3420
The A4-3420 is manufactured by AMD. It was released in 2014-01-01. It is based on the Llano (2011−2012) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 32 nm process technology. Socket: FM1. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,067 points. Launch price was $50.
Processing Power
Both the Athlon II X2 240 and A4-3420 share an identical 2-core/2-thread configuration. Boost clocks reach 2.8 GHz on the Athlon II X2 240 versus 2.8 GHz on the A4-3420 — identical boost frequencies (base: 2.8 GHz vs 2.8 GHz). The Athlon II X2 240 uses the Regor (2009−2013) architecture (45 nm), while the A4-3420 uses Llano (2011−2012) (32 nm). In PassMark, the Athlon II X2 240 scores 1,060 against the A4-3420's 1,067 — a 0.7% lead for the A4-3420. Geekbench 6 single-core — the metric most relevant to gaming — records 373 vs 300, a 21.7% lead for the Athlon II X2 240 that directly translates to higher frame rates. Multi-core Geekbench: 700 vs 500 (33.3% advantage for the Athlon II X2 240). Both processors carry 0 kB of L3 cache.
| Feature | Athlon II X2 240 | A4-3420 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.8 GHz | 2.8 GHz |
| Base Clock | 2.8 GHz | 2.8 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 2 MB+300% | 512 kB (per core) |
| Process | 45 nm | 32 nm-29% |
| Architecture | Regor (2009−2013) | Llano (2011−2012) |
| PassMark | 1,060 | 1,067 |
| Geekbench 6 Single | 373+24% | 300 |
| Geekbench 6 Multi | 700+40% | 500 |
Memory & Platform
The Athlon II X2 240 uses the AM3 socket (PCIe 2.0), while the A4-3420 uses FM1 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1066 memory speed. The A4-3420 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. Both provide 16 PCIe lanes. Chipset compatibility: 760G,785G,790GX,880G,890GX (Athlon II X2 240) and A55,A75,A85X (A4-3420).
| Feature | Athlon II X2 240 | A4-3420 |
|---|---|---|
| Socket | AM3 | FM1 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1066 | DDR3-1600 |
| Max RAM Capacity | 16 GB | 32 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Both support AMD-V virtualization. The A4-3420 includes integrated graphics (Radeon HD 6410D), while the Athlon II X2 240 requires a dedicated GPU. Primary use case: Athlon II X2 240 targets Desktop, A4-3420 targets Entry Desktop. Direct competitor: Athlon II X2 240 rivals Pentium E5400; A4-3420 rivals Pentium G630.
| Feature | Athlon II X2 240 | A4-3420 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Radeon HD 6410D |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | AMD-V |
| Target Use | Desktop | Entry Desktop |
Value Analysis
The Athlon II X2 240 launched at $60 MSRP, while the A4-3420 debuted at $65. At current prices ($10 vs $30), the Athlon II X2 240 is $20 cheaper. In terms of value (PassMark points per dollar), the Athlon II X2 240 delivers 106.0 pts/$ vs 35.6 pts/$ for the A4-3420 — making the Athlon II X2 240 the 99.5% better value option.
| Feature | Athlon II X2 240 | A4-3420 |
|---|---|---|
| MSRP | $60-8% | $65 |
| Avg Price (30d) | $10-67% | $30 |
| Performance per Dollar | 106.0+198% | 35.6 |
| Release Date | 2009 | 2011 |
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