Athlon II Neo K145 vs Atom E3826
Athlon II Neo K145
Atom E3826
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 Neo K145 is positioned at rank 1048 and the Atom E3826 is on rank 922, 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 Athlon II Neo K145
Performance Per Dollar Atom E3826
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II Neo K145 | Atom E3826 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($10) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Nile (2010) / 45 nm) | 🛑 Legacy (Bay Trail-I (2013) / 22 nm) |
💎 Value Proposition
| Insight | Athlon II Neo K145 | Atom E3826 |
|---|---|---|
| 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 Neo K145 and Atom E3826
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.
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.
Processing Power
The Athlon II Neo K145 packs 1 cores / 1 threads, while the Atom E3826 offers 2 cores / 2 threads — the Atom E3826 has 1 more core. Boost clocks reach 1.8 GHz on the Athlon II Neo K145 versus 1.47 GHz on the Atom E3826 — a 20.2% clock advantage for the Athlon II Neo K145. The Athlon II Neo K145 uses the Nile (2010) architecture (45 nm), while the Atom E3826 uses Bay Trail-I (2013) (22 nm). In PassMark, the Athlon II Neo K145 scores 565 against the Atom E3826's 545 — a 3.6% lead for the Athlon II Neo K145.
| Feature | Athlon II Neo K145 | Atom E3826 |
|---|---|---|
| Cores / Threads | 1 / 1 | 2 / 2+100% |
| Boost Clock | 1.8 GHz+22% | 1.47 GHz |
| L3 Cache | — | 0 kB |
| L2 Cache | 1 MB+100% | 512 kB (per core) |
| Process | 45 nm | 22 nm-51% |
| Architecture | Nile (2010) | Bay Trail-I (2013) |
| PassMark | 565+4% | 545 |
Memory & Platform
The Athlon II Neo K145 uses the S1 socket (PCIe 2.0), while the Atom E3826 uses FCBGA1170 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1066 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: 0 (Athlon II Neo K145) vs 4 (Atom E3826) — the Atom E3826 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD ASB2 (Athlon II Neo K145) and Intel FCBGA1170 (Atom E3826).
| Feature | Athlon II Neo K145 | Atom E3826 |
|---|---|---|
| Socket | S1 | FCBGA1170 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1066 | DDR3L-1066 |
| Max RAM Capacity | 4 GB | 8 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 0 | 4 |
Advanced Features
The Atom E3826 includes integrated graphics (Intel HD Graphics (Bay Trail)), while the Athlon II Neo K145 requires a dedicated GPU.
| Feature | Athlon II Neo K145 | Atom E3826 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel HD Graphics (Bay Trail) |
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