Atom E3826 vs Athlon II Neo K145
Atom E3826
Athlon II Neo K145
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 Atom E3826 is positioned at rank 922 and the Athlon II Neo K145 is on rank 1048, so the Atom E3826 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom E3826
Performance Per Dollar Athlon II Neo K145
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom E3826 | Athlon II Neo K145 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($10) |
| Longevity | 🛑 Legacy (Bay Trail-I (2013) / 22 nm) | 🛑 Legacy (Nile (2010) / 45 nm) |
💎 Value Proposition
| Insight | Atom E3826 | Athlon II Neo K145 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($10) |
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 Atom E3826 and Athlon II Neo K145
Atom E3826
The Atom E3826 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 2 cores and 2 threads. Max frequency: 1.47 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 7 Watt. Memory support: DDR3. Passmark benchmark score: 545 points. Launch price was $69.
Athlon II Neo K145
The Athlon II Neo K145 is manufactured by AMD. It was released in 2009-01-01. It is based on the Nile (2010) architecture. It features 1 cores and 1 threads. Max frequency: 1.8 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 1 MB. Memory support: DDR3. Passmark benchmark score: 565 points. Launch price was $149.
Processing Power
The Atom E3826 packs 2 cores / 2 threads, while the Athlon II Neo K145 offers 1 cores / 1 threads — the Atom E3826 has 1 more core. Boost clocks reach 1.47 GHz on the Atom E3826 versus 1.8 GHz on the Athlon II Neo K145 — a 20.2% clock advantage for the Athlon II Neo K145. The Atom E3826 uses the Bay Trail-I (2013) architecture (22 nm), while the Athlon II Neo K145 uses Nile (2010) (45 nm). In PassMark, the Atom E3826 scores 545 against the Athlon II Neo K145's 565 — a 3.6% lead for the Athlon II Neo K145.
| Feature | Atom E3826 | Athlon II Neo K145 |
|---|---|---|
| Cores / Threads | 2 / 2+100% | 1 / 1 |
| Boost Clock | 1.47 GHz | 1.8 GHz+22% |
| L3 Cache | 0 kB | — |
| L2 Cache | 512 kB (per core) | 1 MB+100% |
| Process | 22 nm-51% | 45 nm |
| Architecture | Bay Trail-I (2013) | Nile (2010) |
| PassMark | 545 | 565+4% |
Memory & Platform
The Atom E3826 uses the FCBGA1170 socket (PCIe 2.0), while the Athlon II Neo K145 uses S1 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3L-1066 memory speed. The Atom E3826 supports up to 8 GB of RAM compared to 4 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 4 (Atom E3826) vs 0 (Athlon II Neo K145) — the Atom E3826 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FCBGA1170 (Atom E3826) and AMD ASB2 (Athlon II Neo K145).
| Feature | Atom E3826 | Athlon II Neo K145 |
|---|---|---|
| Socket | FCBGA1170 | S1 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3L-1066 | DDR3-1066 |
| Max RAM Capacity | 8 GB+100% | 4 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 4 | 0 |
Advanced Features
The Atom E3826 includes integrated graphics (Intel HD Graphics (Bay Trail)), while the Athlon II Neo K145 requires a dedicated GPU.
| Feature | Atom E3826 | Athlon II Neo K145 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel HD Graphics (Bay Trail) | — |
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