CPU
GPU
Atom N475
Mobile Pentium 4 2.66
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 N475 is positioned at rank 193 and the Mobile Pentium 4 2.66 is on rank 771, so the Atom N475 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom N475
Performance Per Dollar Mobile Pentium 4 2.66
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom N475 | Mobile Pentium 4 2.66 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($75) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Pineview (2009−2011) / 45 nm) | 🛑 Legacy (Northwood (2002−2004) / 130 nm) |
💎 Value Proposition
| Insight | Atom N475 | Mobile Pentium 4 2.66 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($75) | ✅ 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 Atom N475 and Mobile Pentium 4 2.66
Atom N475
The Atom N475 is manufactured by Intel. It was released in 1 June 2010 (15 years ago). It is based on the Pineview (2009−2011) architecture. It features 1 cores and 2 threads. Base frequency is 1.83 GHz, with boost up to 1.83 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 45 nm process technology. Socket: FCBGA559. Thermal design power (TDP): 6.5 Watt. Memory support: DDR3. Passmark benchmark score: 405 points. Launch price was $75.
Mobile Pentium 4 2.66
The Mobile Pentium 4 2.66 is manufactured by Intel. It was released in Junho 2003 (22 years ago). It is based on the Northwood (2002−2004) architecture. It features 1 cores and 2 threads. Max frequency: 2.67 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 130 nm process technology. Socket: PGA478. Thermal design power (TDP): 66 Watt. Memory support: DDR1, DDR2. Passmark benchmark score: 395 points. Launch price was $69.
Processing Power
Both the Atom N475 and Mobile Pentium 4 2.66 share an identical 1-core/2-thread configuration. Boost clocks reach 1.83 GHz on the Atom N475 versus 2.67 GHz on the Mobile Pentium 4 2.66 — a 37.3% clock advantage for the Mobile Pentium 4 2.66. The Atom N475 uses the Pineview (2009−2011) architecture (45 nm), while the Mobile Pentium 4 2.66 uses Northwood (2002−2004) (130 nm). In PassMark, the Atom N475 scores 405 against the Mobile Pentium 4 2.66's 395 — a 2.5% lead for the Atom N475. Both processors carry 0 kB of L3 cache.
| Feature | Atom N475 | Mobile Pentium 4 2.66 |
|---|---|---|
| Cores / Threads | 1 / 2 | 1 / 2 |
| Boost Clock | 1.83 GHz | 2.67 GHz+46% |
| Base Clock | 1.83 GHz | — |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512K (per core) | 512 kB |
| Process | 45 nm-65% | 130 nm |
| Architecture | Pineview (2009−2011) | Northwood (2002−2004) |
| PassMark | 405+3% | 395 |
| Geekbench 6 Single | — | 800 |
| Geekbench 6 Multi | — | 800 |
Memory & Platform
The Atom N475 uses the FCBGA559 socket (PCIe 2.0), while the Mobile Pentium 4 2.66 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-667 on the Atom N475 versus DDR2 on the Mobile Pentium 4 2.66 — the Atom N475 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Mobile Pentium 4 2.66 supports up to 4 GB of RAM compared to 2 GB — 66.7% more capacity for professional workloads. Both feature 1-channel memory with ECC support. Both provide 0 PCIe lanes. Chipset compatibility: Intel NM10 (Atom N475) and 852PM,855PM (Mobile Pentium 4 2.66).
| Feature | Atom N475 | Mobile Pentium 4 2.66 |
|---|---|---|
| Socket | FCBGA559 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-667+50% | DDR2 |
| Max RAM Capacity | 2 GB | 4 GB+100% |
| RAM Channels | 1 | 1 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 0 |
Advanced Features
Virtualization: not specified (Atom N475) / None (Mobile Pentium 4 2.66). The Atom N475 includes integrated graphics (Intel GMA 3150), while the Mobile Pentium 4 2.66 requires a dedicated GPU. Primary use case: Mobile Pentium 4 2.66 targets Legacy Laptop.
| Feature | Atom N475 | Mobile Pentium 4 2.66 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel GMA 3150 | None |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | None |
| Target Use | — | Legacy Laptop |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Atom N475 and Mobile Pentium 4 2.66
