
Atom Z510 vs Atom Z520

Atom Z510

Atom Z520
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 Z510 is positioned at rank 1214 and the Atom Z520 is on rank 523, so the Atom Z520 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom Z510
Performance Per Dollar Atom Z520
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom Z510 | Atom Z520 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Silverthorne (2008−2010) / 45 nm) | 🛑 Legacy (Silverthorne (2008−2010) / 45 nm) |
💎 Value Proposition
| Insight | Atom Z510 | Atom Z520 |
|---|---|---|
| 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 Z510 and Atom Z520

Atom Z510
The Atom Z510 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 1 threads. Base frequency is 1.1 GHz, with boost up to 1.1 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: 185 points. Launch price was $20.

Atom Z520
The Atom Z520 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 1.33 GHz, with boost up to 0.03 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: 215 points. Launch price was $65.
Processing Power
The Atom Z510 packs 1 cores / 1 threads, matching the Atom Z520's 1 cores. Boost clocks reach 1.1 GHz on the Atom Z510 versus 0.03 GHz on the Atom Z520 — a 189.4% clock advantage for the Atom Z510 (base: 1.1 GHz vs 1.33 GHz). Both are built on the Silverthorne (2008−2010) architecture using a 45 nm process. In PassMark, the Atom Z510 scores 185 against the Atom Z520's 215 — a 15% lead for the Atom Z520. Both processors carry 0 kB of L3 cache.
| Feature | Atom Z510 | Atom Z520 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 2 |
| Boost Clock | 1.1 GHz+3567% | 0.03 GHz |
| Base Clock | 1.1 GHz | 1.33 GHz+21% |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB | 512 kB |
| Process | 45 nm | 45 nm |
| Architecture | Silverthorne (2008−2010) | Silverthorne (2008−2010) |
| PassMark | 185 | 215+16% |
Memory & Platform
Both processors use the PBGA441 socket with PCIe 2.0. Both support up to DDR2-533 memory speed. Both support up to 2 GB of RAM. Both feature 1-channel memory with ECC support. Both provide 0 PCIe lanes. Chipset compatibility: Intel US15W (Atom Z510) and Intel US15W (Atom Z520).
| Feature | Atom Z510 | Atom Z520 |
|---|---|---|
| Socket | PBGA441 | PBGA441 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR2-533 | DDR2-533 |
| Max RAM Capacity | 2 GB | 2 GB |
| RAM Channels | 1 | 1 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 0 |
Advanced Features
Virtualization: not specified (Atom Z510) / VT-x (Atom Z520). Primary use case: Atom Z520 targets Mobile.
| Feature | Atom Z510 | Atom Z520 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Mobile |
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