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Intel Atom Z520 @ 1.33GHz

Benchmarks for the Intel Atom Z520 can be found below. Release dates, price and performance comparisons are also listed when available. This is made using thousands of PerformanceTest benchmark results and is updated daily.

The first graph shows the relative performance of the CPU compared to the 10 other common (single) CPUs in terms of PassMark CPU Mark.
The 2nd graph shows the value for money, in terms of the CPUMark per dollar.
The pricing history data shows the price for a single Processor. For multiple Processors, multiply the price shown by the number of CPUs.

Is the Intel Atom Z520 @ 1.33GHz Good for Gaming?

This is a fairly old CPU that is no longer competitive with newer CPUs. [More ...]

Intel Atom Z520 @ 1.33GHz

Description:

Class: Laptop

Socket: BGA441

Clockspeed: 1.3 GHz

Cores: 1 Threads: 2

Typical TDP: 2 W

Other names: Intel(R) Atom(TM) CPU Z520 @ 1.33GHz, Intel(R) Core(TM) CPU Z520 @ 1.33GHz

CPU First Seen on Charts: Q2 2009

CPUmark/$Price: NA

Overall Rank:
5498th fastest in multithreading out of 5535 CPUs
5516th fastest in single threading out of 5535 CPUs
1506th fastest in out of 1521 Laptop CPUs

Last Price Change: NA

Average CPU Mark rating

Multithread Rating

122

Single Thread Rating

151

^%
Samples: 22*
*Margin for error: Low

PerformanceTest V9
CPU Mark: 237
Thread: 223

^%Single thread rating may be higher than the overall rating, thread performance is just one component of the CPU Mark.

CPU Test Suite Average Results for Intel Atom Z520 @ 1.33GHz

Integer Math	188 MOps/Sec
Floating Point Math	208 MOps/Sec
Find Prime Numbers	NA
Random String Sorting	380 Thousand Strings/Sec
Data Encryption	35.2 MBytes/Sec
Data Compression	3,185 KBytes/Sec
Physics	25 Frames/Sec
Extended Instructions	25 Million Matrices/Sec
Single Thread	151 MOps/Sec

From submitted results to PerformanceTest V10 as of 21st of January 2026.

CPU Mark Distribution for Intel Atom Z520 @ 1.33GHz

Submitted Baseline Distribution Graph as of 14th of January 2026

Not Enough Data from Current Version of PerformanceTest to Create Distribution Graph.

From submitted results since PerformanceTest V10 as of 14th of January 2026.

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CPU Mark Relative to Top 10 Common Laptop CPUs
As of 21st of January 2026 - Higher results represent better performance
Processor	Average CPU Mark
Intel Core i7-12700H		25,290
Apple M4 10 Core		23,707
AMD Ryzen 7 5800H		20,653
Intel Core i7-11800H @ 2.30GHz		19,787
AMD Ryzen 7 4800H		18,022
AMD Ryzen 5 5600H		16,492
Apple M2 8 Core 3500 MHz		15,643
Apple M1 8 Core 3200 MHz		14,133
Intel Core i7-9750H @ 2.60GHz		10,604
Intel Core i5-1135G7 @ 2.40GHz		9,396
Intel Atom Z520 @ 1.33GHz		122

CPU Value (CPU Mark / $Price )
As of 21st of January 2026 - Higher results represent better value
Processor	CPU Mark / $Price
Intel Core i7-12700H		55.34
Intel Core i7-11800H @ 2.30GHz		50.09
Intel Core i5-1135G7 @ 2.40GHz		30.41
Intel Core i7-9750H @ 2.60GHz		11.05
Intel Atom Z520 @ 1.33GHz		NA
Apple M1 8 Core 3200 MHz		NA
Apple M2 8 Core 3500 MHz		NA
Apple M4 10 Core		NA
AMD Ryzen 7 5800H		NA
AMD Ryzen 5 5600H		NA
AMD Ryzen 7 4800H		NA

Single Thread Rating
As of 21st of January 2026 - Higher results represent better performance
Processor	Average Thread Rating
Apple M4 10 Core		4,518
Apple M2 8 Core 3500 MHz		3,887
Apple M1 8 Core 3200 MHz		3,676
Intel Core i7-12700H		3,507
Intel Core i7-11800H @ 2.30GHz		3,025
AMD Ryzen 7 5800H		3,007
AMD Ryzen 5 5600H		2,889
Intel Core i5-1135G7 @ 2.40GHz		2,617
AMD Ryzen 7 4800H		2,587
Intel Core i7-9750H @ 2.60GHz		2,393
Intel Atom Z520 @ 1.33GHz		151

Last 1 Baselines for Intel Atom Z520 @ 1.33GHz
Most recent listed first
Baseline	CPU Mark
BL1462609 - Oct 29 2021		89

Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature.

Popular comparisons for Intel Atom Z520 @ 1.33GHz
As of 21st of January 2026 - Higher results represent better performance
Processor	Average CPU Mark
Intel Atom Z520 @ 1.33GHz		122
Intel Atom N270 @ 1.60GHz vs Intel Atom Z520		136 (+11.0%)
Intel Celeron M 420 @ 1.60GHz vs Intel Atom Z520		139 (+13.4%)
Intel Celeron M 410 @ 1.46GHz vs Intel Atom Z520		123 (+0.4%)
Intel Celeron M 900MHz vs Intel Atom Z520		123 (+0.1%)
Intel Core2 Duo P8700 @ 2.53GHz vs Intel Atom Z520		966 (+688.6%)
Intel Core2 Duo P8400 @ 2.26GHz vs Intel Atom Z520		864 (+605.3%)
Intel Core2 Duo P8600 @ 2.40GHz vs Intel Atom Z520		862 (+603.6%)
AMD Turion II Dual-Core Mobile M520 vs Intel Atom Z520		855 (+598.0%)
Intel Core2 Duo T7500 @ 2.20GHz vs Intel Atom Z520		827 (+575.6%)
Intel Core2 Duo T6600 @ 2.20GHz vs Intel Atom Z520		806 (+558.3%)
AMD Turion II Dual-Core Mobile M500 vs Intel Atom Z520		751 (+513.3%)
AMD Athlon II Dual-Core M300 vs Intel Atom Z520		670 (+447.1%)

Is the Intel Atom Z520 @ 1.33GHz Good for Gaming?
As of 21st of January 2026 - Higher results represent better performance
Processor	Relative Gaming Score
AMD Ryzen 9 9955HX3D		9,739
Intel Core Ultra 9 285HX		9,434
Intel Core Ultra 5 235HX		9,113
Intel Core Ultra 9 275HX		9,017
Intel Core Ultra 7 255HX		7,929
Intel Core Ultra 7 265HX		7,893
Intel Core Ultra 7 265H		7,763
AMD Ryzen 9 9850HX		7,301
Intel Core i9-14900HX		6,920
AMD Ryzen AI Max Pro 390		6,788
Intel Core i9-13980HX		6,693
AMD Ryzen AI Max 390		6,683
Intel Atom Z520 @ 1.33GHz		57