Atom E3826 vs Pentium M 780
Atom E3826
Pentium M 780
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 Pentium M 780 is on rank 807, so the Pentium M 780 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 Pentium M 780
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom E3826 | Pentium M 780 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Bay Trail-I (2013) / 22 nm) | 🛑 Legacy (Dothan (2004−2005) / 90 nm) |
💎 Value Proposition
| Insight | Atom E3826 | Pentium M 780 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 Pentium M 780
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.
Pentium M 780
The Pentium M 780 is manufactured by Intel. It was released in 2007-01-01. It is based on the Dothan (2004−2005) architecture. It features 1 cores and 1 threads. Base frequency is 2.26 GHz, with boost up to 0.03 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 90 nm process technology. Socket: PGA478. Thermal design power (TDP): 27 Watt. Memory support: DDR2. Passmark benchmark score: 575 points. Launch price was $69.
Processing Power
The Atom E3826 packs 2 cores / 2 threads, while the Pentium M 780 offers 1 cores / 1 threads — the Atom E3826 has 1 more core. Boost clocks reach 1.47 GHz on the Atom E3826 versus 0.03 GHz on the Pentium M 780 — a 192% clock advantage for the Atom E3826. The Atom E3826 uses the Bay Trail-I (2013) architecture (22 nm), while the Pentium M 780 uses Dothan (2004−2005) (90 nm). In PassMark, the Atom E3826 scores 545 against the Pentium M 780's 575 — a 5.4% lead for the Pentium M 780. Both processors carry 0 kB of L3 cache.
| Feature | Atom E3826 | Pentium M 780 |
|---|---|---|
| Cores / Threads | 2 / 2+100% | 1 / 1 |
| Boost Clock | 1.47 GHz+4800% | 0.03 GHz |
| Base Clock | — | 2.26 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB (per core) | 2 MB+300% |
| Process | 22 nm-76% | 90 nm |
| Architecture | Bay Trail-I (2013) | Dothan (2004−2005) |
| PassMark | 545 | 575+6% |
Memory & Platform
The Atom E3826 uses the FCBGA1170 socket (PCIe 2.0), while the Pentium M 780 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3L-1066 on the Atom E3826 versus DDR2-533 on the Pentium M 780 — the Atom E3826 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. 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 16 (Pentium M 780) — the Pentium M 780 offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FCBGA1170 (Atom E3826) and 915GM,945GT (Pentium M 780).
| Feature | Atom E3826 | Pentium M 780 |
|---|---|---|
| Socket | FCBGA1170 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3L-1066+50% | DDR2-533 |
| Max RAM Capacity | 8 GB+100% | 4 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 4 | 16+300% |
Advanced Features
Virtualization: not specified (Atom E3826) / false (Pentium M 780). The Atom E3826 includes integrated graphics (Intel HD Graphics (Bay Trail)), while the Pentium M 780 requires a dedicated GPU.
| Feature | Atom E3826 | Pentium M 780 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel HD Graphics (Bay Trail) | — |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | false |
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