
Atom E660 vs Atom Z530

Atom E660

Atom Z530
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 Atom Z530 is on rank 781, 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 Atom Z530
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom E660 | Atom Z530 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Tunnel Creek (2010) / 45 nm) | 🛑 Legacy (Silverthorne (2008−2010) / 45 nm) |
💎 Value Proposition
| Insight | Atom E660 | Atom Z530 |
|---|---|---|
| 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 E660 and Atom Z530

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.

Atom Z530
The Atom Z530 is manufactured by Intel. It was released in 2 April 2008 (17 years ago). It is based on the Silverthorne (2008−2010) architecture. It features 1 cores and 2 threads. Base frequency is 1.6 GHz, with boost up to 0.1 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 45 nm process technology. Socket: PBGA441. Thermal design power (TDP): 2 Watt. Passmark benchmark score: 255 points. Launch price was $95.
Processing Power
Both the Atom E660 and Atom Z530 share an identical 1-core/2-thread configuration. Boost clocks reach 1.3 GHz on the Atom E660 versus 0.1 GHz on the Atom Z530 — a 171.4% clock advantage for the Atom E660. The Atom E660 uses the Tunnel Creek (2010) architecture (45 nm), while the Atom Z530 uses Silverthorne (2008−2010) (45 nm). In PassMark, the Atom E660 scores 275 against the Atom Z530's 255 — a 7.5% lead for the Atom E660. Both processors carry 0 kB of L3 cache.
| Feature | Atom E660 | Atom Z530 |
|---|---|---|
| Cores / Threads | 1 / 2 | 1 / 2 |
| Boost Clock | 1.3 GHz+1200% | 0.1 GHz |
| Base Clock | — | 1.6 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB (per core) | 512 kB |
| Process | 45 nm | 45 nm |
| Architecture | Tunnel Creek (2010) | Silverthorne (2008−2010) |
| PassMark | 275+8% | 255 |
Memory & Platform
The Atom E660 uses the BGA676 socket (PCIe 2.0), while the Atom Z530 uses PBGA441 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR2-800 memory speed. Both support up to 2 GB of RAM. Both feature 1-channel memory with ECC support. PCIe lanes: 4 (Atom E660) vs 0 (Atom Z530) — the Atom E660 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FCBGA518 (Atom E660) and Intel US15W (Atom Z530).
| Feature | Atom E660 | Atom Z530 |
|---|---|---|
| Socket | BGA676 | PBGA441 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR2-800 | DDR2-533 |
| Max RAM Capacity | 2 GB | 2 GB |
| RAM Channels | 1 | 1 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 4 | 0 |
Advanced Features
The Atom E660 includes integrated graphics (Intel GMA 600), while the Atom Z530 requires a dedicated GPU.
| Feature | Atom E660 | Atom Z530 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel GMA 600 | — |
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