Atom Z670 vs Pentium 4 2.66
Atom Z670
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 Z670 is positioned at rank 1095 and the Pentium 4 2.66 is on rank 1113, so the Atom Z670 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom Z670
Performance Per Dollar Pentium 4 2.66
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom Z670 | Pentium 4 2.66 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($300) |
| Longevity | 🛑 Legacy (Lincroft (2010−2011) / 45 nm) | 🛑 Legacy (NetBurst (2000−2006) / 130 nm) |
💎 Value Proposition
| Insight | Atom Z670 | Pentium 4 2.66 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($300) |
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 Z670 and Pentium 4 2.66
Atom Z670
The Atom Z670 is manufactured by Intel. It was released in 11 April 2011 (14 years ago). It is based on the Lincroft (2010−2011) architecture. It features 1 cores and 2 threads. Base frequency is 1.5 GHz, with boost up to 1.5 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 45 nm process technology. Socket: T-PBGA518. Thermal design power (TDP): 3 Watt. Memory support: DDR2. Passmark benchmark score: 375 points. Launch price was $75.
Pentium 4 2.66
The Pentium 4 2.66 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: 2.66 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: 378 points. Launch price was $69.
Processing Power
The Atom Z670 packs 1 cores / 2 threads, matching the Pentium 4 2.66's 1 cores. Boost clocks reach 1.5 GHz on the Atom Z670 versus 2.66 GHz on the Pentium 4 2.66 — a 55.8% clock advantage for the Pentium 4 2.66. The Atom Z670 uses the Lincroft (2010−2011) architecture (45 nm), while the Pentium 4 2.66 uses NetBurst (2000−2006) (130 nm). In PassMark, the Atom Z670 scores 375 against the Pentium 4 2.66's 378 — a 0.8% lead for the Pentium 4 2.66. Both processors carry 0 kB of L3 cache.
| Feature | Atom Z670 | Pentium 4 2.66 |
|---|---|---|
| Cores / Threads | 1 / 2 | 1 / 1 |
| Boost Clock | 1.5 GHz | 2.66 GHz+77% |
| Base Clock | 1.5 GHz | — |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512K (per core) | 512 kB |
| Process | 45 nm-65% | 130 nm |
| Architecture | Lincroft (2010−2011) | NetBurst (2000−2006) |
| PassMark | 375 | 378 |
Memory & Platform
The Atom Z670 uses the T-PBGA518 socket (PCIe 2.0), while the Pentium 4 2.66 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Atom Z670 | Pentium 4 2.66 |
|---|---|---|
| Socket | T-PBGA518 | 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 | 0 | — |
Advanced Features
The Atom Z670 includes integrated graphics (Intel GMA 600), while the Pentium 4 2.66 requires a dedicated GPU.
| Feature | Atom Z670 | Pentium 4 2.66 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel GMA 600 | — |
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