Atom Z520 vs Atom Z530

Atom Z520

1 Cores2 Thrd2 WWMax: 0.03 GHz2008

Atom Z530

1 Cores2 Thrd2.2 WWMax: 0.1 GHz2008

Performance Spectrum - CPU

Atom Z520

1 / 2

215

0.0%

255

+18.6%

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 Z520 is positioned at rank 523 and the Atom Z530 is on rank 781, so the Atom Z520 offers better cost-efficiency for playing games.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Atom Z520

#167

Core Ultra 7 258V

MSRP: $450|Avg: $400

98%

#511

Atom x5-Z8300

MSRP: $20|Avg: N/A

682%

#512

Atom Z3735G

MSRP: $17|Avg: N/A

672%

#513

Core i5-480M

MSRP: $81|Avg: $77

617%

#514

Core i5-460M

MSRP: $80|Avg: $129

614%

#515

Core i5-2540M

MSRP: $266|Avg: $10

609%

#517

Core i5-450M

MSRP: $32|Avg: $31

588%

#518

Core i3-380M

MSRP: $49|Avg: $25

564%

#519

Core i5-430M

MSRP: N/A|Avg: $33

563%

#520

Core 2 Duo T6600

MSRP: N/A|Avg: $4

548%

#523

Atom Z520

MSRP: N/A|Avg: N/A

100%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Atom Z530

#768

Atom x5-Z8300

MSRP: $20|Avg: N/A

1151%

#769

Atom Z3735G

MSRP: $17|Avg: N/A

1134%

#770

Core i5-480M

MSRP: $81|Avg: $77

1041%

#771

Core i5-460M

MSRP: $80|Avg: $129

1036%

#772

Core i5-2540M

MSRP: $266|Avg: $10

1027%

#774

Core i5-450M

MSRP: $32|Avg: $31

991%

#775

Core i3-380M

MSRP: $49|Avg: $25

951%

#776

Core i5-430M

MSRP: N/A|Avg: $33

949%

#777

Core 2 Duo T6600

MSRP: N/A|Avg: $4

924%

#781

Atom Z530

MSRP: N/A|Avg: N/A

100%

#789

Athlon 64 TF-20

MSRP: $50|Avg: $10

98%

#794

Core i3-1115G4E

MSRP: $213|Avg: $47

96%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Atom Z530 delivers superior performance across the board. It outperforms the Atom Z520 in both compute-intensive tasks (17% faster) and gaming workloads.

Insight	Atom Z520	Atom Z530
Gaming	❌ Lower gaming performance	✅ Superior 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 Z520	Atom Z530
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	Equivalent pricing	Equivalent pricing

Performance Check

Paired with RTX 4090

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.

Atom Z520 Benchmark Check

Atom Z530 Benchmark Check

Technical Specifications

Side-by-side comparison of Atom Z520 and Atom Z530

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.

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 Z520 and Atom Z530 share an identical 1-core/2-thread configuration. Boost clocks reach 0.03 GHz on the Atom Z520 versus 0.1 GHz on the Atom Z530 — a 107.7% clock advantage for the Atom Z530 (base: 1.33 GHz vs 1.6 GHz). Both are built on the Silverthorne (2008−2010) architecture using a 45 nm process. In PassMark, the Atom Z520 scores 215 against the Atom Z530's 255 — a 17% lead for the Atom Z530. Both processors carry 0 kB of L3 cache.

Feature	Atom Z520	Atom Z530
Cores / Threads	1 / 2	1 / 2
Boost Clock	0.03 GHz	0.1 GHz+233%
Base Clock	1.33 GHz	1.6 GHz+20%
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	215	255+19%

🧠

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 Z520) and Intel US15W (Atom Z530).