Athlon II X2 240 vs Atom E3845
Athlon II X2 240
Atom E3845
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 Atom E3845 is on rank 764, so the Atom E3845 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 Atom E3845
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X2 240 | Atom E3845 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($10) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Regor (2009−2013) / 45 nm) | 🛑 Legacy (Bay Trail-I (2013) / 22 nm) |
💎 Value Proposition
| Insight | Athlon II X2 240 | Atom E3845 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($10) | ✅ More affordable ($0) |
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 Atom E3845
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.
Atom E3845
The Atom E3845 is manufactured by Intel. It was released in 8 October 2013 (12 years ago). It is based on the Bay Trail-I (2013) architecture. It features 4 cores and 4 threads. Max frequency: 1.91 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 10 Watt. Memory support: DDR3. Passmark benchmark score: 1,071 points. Launch price was $69.
Processing Power
The Athlon II X2 240 packs 2 cores / 2 threads, while the Atom E3845 offers 4 cores / 4 threads — the Atom E3845 has 2 more cores. Boost clocks reach 2.8 GHz on the Athlon II X2 240 versus 1.91 GHz on the Atom E3845 — a 37.8% clock advantage for the Athlon II X2 240. The Athlon II X2 240 uses the Regor (2009−2013) architecture (45 nm), while the Atom E3845 uses Bay Trail-I (2013) (22 nm). In PassMark, the Athlon II X2 240 scores 1,060 against the Atom E3845's 1,071 — a 1% lead for the Atom E3845. Both processors carry 0 kB of L3 cache.
| Feature | Athlon II X2 240 | Atom E3845 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2.8 GHz+47% | 1.91 GHz |
| Base Clock | 2.8 GHz | — |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 2 MB+300% | 512 kB (per core) |
| Process | 45 nm | 22 nm-51% |
| Architecture | Regor (2009−2013) | Bay Trail-I (2013) |
| PassMark | 1,060 | 1,071+1% |
| Geekbench 6 Single | 373 | — |
| Geekbench 6 Multi | 700 | — |
Memory & Platform
The Athlon II X2 240 uses the AM3 socket (PCIe 2.0), while the Atom E3845 uses FCBGA1170 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1066 memory speed. The Athlon II X2 240 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. PCIe lanes: 16 (Athlon II X2 240) vs 4 (Atom E3845) — the Athlon II X2 240 offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: 760G,785G,790GX,880G,890GX (Athlon II X2 240) and Intel FCBGA1170 (Atom E3845).
| Feature | Athlon II X2 240 | Atom E3845 |
|---|---|---|
| Socket | AM3 | FCBGA1170 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1066 | DDR3L-1333 |
| Max RAM Capacity | 16 GB+100% | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 16+300% | 4 |
Advanced Features
Virtualization: AMD-V (Athlon II X2 240) / not specified (Atom E3845). The Atom E3845 includes integrated graphics (Intel HD Graphics (Bay Trail)), while the Athlon II X2 240 requires a dedicated GPU. Primary use case: Athlon II X2 240 targets Desktop. Direct competitor: Athlon II X2 240 rivals Pentium E5400.
| Feature | Athlon II X2 240 | Atom E3845 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Intel HD Graphics (Bay Trail) |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
| Target Use | Desktop | — |
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