Atom D425 vs Mobile Pentium 4 2.66
Atom D425
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 D425 is positioned at rank 1088 and the Mobile Pentium 4 2.66 is on rank 771, so the Mobile Pentium 4 2.66 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom D425
Performance Per Dollar Mobile Pentium 4 2.66
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom D425 | Mobile Pentium 4 2.66 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Pineview (2009−2011) / 45 nm) | 🛑 Legacy (Northwood (2002−2004) / 130 nm) |
💎 Value Proposition
| Insight | Atom D425 | Mobile Pentium 4 2.66 |
|---|---|---|
| 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 D425 and Mobile Pentium 4 2.66
Atom D425
The Atom D425 is manufactured by Intel. It was released in 21 June 2010 (15 years ago). It is based on the Pineview (2009−2011) architecture. It features 1 cores and 2 threads. Base frequency is 1.8 GHz, with boost up to 1.83 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: FCBGA559. Thermal design power (TDP): 10 Watt. Memory support: DDR2, DDR3. Passmark benchmark score: 385 points. Launch price was $993.
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 D425 and Mobile Pentium 4 2.66 share an identical 1-core/2-thread configuration. Boost clocks reach 1.83 GHz on the Atom D425 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 D425 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 D425 scores 385 against the Mobile Pentium 4 2.66's 395 — a 2.6% lead for the Mobile Pentium 4 2.66. Both processors carry 0 kB of L3 cache.
| Feature | Atom D425 | Mobile Pentium 4 2.66 |
|---|---|---|
| Cores / Threads | 1 / 2 | 1 / 2 |
| Boost Clock | 1.83 GHz | 2.67 GHz+46% |
| Base Clock | 1.8 GHz | — |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB (per core) | 512 kB |
| Process | 45 nm-65% | 130 nm |
| Architecture | Pineview (2009−2011) | Northwood (2002−2004) |
| PassMark | 385 | 395+3% |
| Geekbench 6 Single | — | 800 |
| Geekbench 6 Multi | — | 800 |
Memory & Platform
The Atom D425 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 DDR3-800 on the Atom D425 versus DDR2 on the Mobile Pentium 4 2.66 — the Atom D425 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4 GB of RAM. Both feature 1-channel memory with ECC support. Both provide 0 PCIe lanes. Chipset compatibility: Intel NM10 (Atom D425) and 852PM,855PM (Mobile Pentium 4 2.66).
| Feature | Atom D425 | Mobile Pentium 4 2.66 |
|---|---|---|
| Socket | FCBGA559 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-800+50% | DDR2 |
| Max RAM Capacity | 4 GB | 4 GB |
| RAM Channels | 1 | 1 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 0 |
Advanced Features
Virtualization: not specified (Atom D425) / None (Mobile Pentium 4 2.66). The Atom D425 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 D425 | 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 |
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