Atom E660 vs Pentium 4 2.26
Atom E660
Pentium 4 2.26
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 E660 is positioned at rank 743 and the Pentium 4 2.26 is on rank 1117, so the Atom E660 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom E660
Performance Per Dollar Pentium 4 2.26
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom E660 | Pentium 4 2.26 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
| Longevity | 🛑 Legacy (Tunnel Creek (2010) / 45 nm) | 🛑 Legacy (NetBurst (2000−2006) / 130 nm) |
💎 Value Proposition
| Insight | Atom E660 | Pentium 4 2.26 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
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 E660 and Pentium 4 2.26
Atom E660
The Atom E660 is manufactured by Intel. It was released in 14 September 2010 (15 years ago). It is based on the Tunnel Creek (2010) architecture. It features 1 cores and 2 threads. Max frequency: 1.3 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: BGA676. Thermal design power (TDP): 3 Watt. Memory support: DDR2. Passmark benchmark score: 275 points. Launch price was $54.
Pentium 4 2.26
The Pentium 4 2.26 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 1 cores and 1 threads. Max frequency: 2.26 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 130 nm process technology. Socket: PGA478. Thermal design power (TDP): 110 Watt. Memory support: DDR1, DDR2. Passmark benchmark score: 295 points. Launch price was $69.
Processing Power
The Atom E660 packs 1 cores / 2 threads, matching the Pentium 4 2.26's 1 cores. Boost clocks reach 1.3 GHz on the Atom E660 versus 2.26 GHz on the Pentium 4 2.26 — a 53.9% clock advantage for the Pentium 4 2.26. The Atom E660 uses the Tunnel Creek (2010) architecture (45 nm), while the Pentium 4 2.26 uses NetBurst (2000−2006) (130 nm). In PassMark, the Atom E660 scores 275 against the Pentium 4 2.26's 295 — a 7% lead for the Pentium 4 2.26. Both processors carry 0 kB of L3 cache.
| Feature | Atom E660 | Pentium 4 2.26 |
|---|---|---|
| Cores / Threads | 1 / 2 | 1 / 1 |
| Boost Clock | 1.3 GHz | 2.26 GHz+74% |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB (per core) | 512 kB |
| Process | 45 nm-65% | 130 nm |
| Architecture | Tunnel Creek (2010) | NetBurst (2000−2006) |
| PassMark | 275 | 295+7% |
Memory & Platform
The Atom E660 uses the BGA676 socket (PCIe 2.0), while the Pentium 4 2.26 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Atom E660 | Pentium 4 2.26 |
|---|---|---|
| Socket | BGA676 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR2-800 | — |
| Max RAM Capacity | 2 GB | — |
| RAM Channels | 1 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 4 | — |
Advanced Features
The Atom E660 includes integrated graphics (Intel GMA 600), while the Pentium 4 2.26 requires a dedicated GPU.
| Feature | Atom E660 | Pentium 4 2.26 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel GMA 600 | — |
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