Intel Atom N455 @ 1.66GHz

Benchmarks for the Intel Atom N455 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 N455 @ 1.66GHz Good for Gaming?

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

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Intel Atom N455 @ 1.66GHz

Description:

Class: Laptop

Socket: BGA559

Clockspeed: 1.7 GHz

Cores: 1 Threads: 2

Typical TDP: 6.5 W

Other names: Intel(R) Atom(TM) CPU N455 @ 1.66GHz, Intel(R) Atom(TM) CPU N455 @ 1.66GHz, Intel Atom CPU N455 @ 1.66GHz

CPU First Seen on Charts: Q3 2010

CPUmark/$Price: NA

Overall Rank:
5362nd fastest in multithreading out of 5489 CPUs
5315th fastest in single threading out of 5489 CPUs
1454th fastest in out of 1516 Laptop CPUs

Last Price Change: NA

Average CPU Mark rating

Multithread Rating

188

Single Thread Rating

266

^%
Samples: 123*
*Margin for error: Low

PerformanceTest V9
CPU Mark: 276
Thread: 244

^%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 N455 @ 1.66GHz

Integer Math	822 MOps/Sec
Floating Point Math	305 MOps/Sec
Find Prime Numbers	1 Million Primes/Sec
Random String Sorting	647 Thousand Strings/Sec
Data Encryption	50.3 MBytes/Sec
Data Compression	5,032 KBytes/Sec
Physics	31 Frames/Sec
Extended Instructions	75 Million Matrices/Sec
Single Thread	266 MOps/Sec

From submitted results to PerformanceTest V10 as of 12th of December 2025.

CPU Mark Distribution for Intel Atom N455 @ 1.66GHz

Submitted Baseline Distribution Graph as of 9th of December 2025

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

From submitted results since PerformanceTest V10 as of 9th of December 2025.

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CPU Mark Relative to Top 10 Common Laptop CPUs
As of 13th of December 2025 - Higher results represent better performance
Processor	Average CPU Mark
Intel Core i7-12700H		25,341
Apple M1 Max 10 Core 3200 MHz		22,147
AMD Ryzen 7 5800H		20,680
Intel Core i7-11800H @ 2.30GHz		19,825
AMD Ryzen 7 4800H		18,079
AMD Ryzen 5 5600H		16,519
Apple M2 8 Core 3500 MHz		15,651
Apple M1 8 Core 3200 MHz		14,145
Intel Core i7-9750H @ 2.60GHz		10,611
Intel Core i5-1135G7 @ 2.40GHz		9,409
Intel Atom N455 @ 1.66GHz		188

CPU Value (CPU Mark / $Price )
As of 13th of December 2025 - Higher results represent better value
Processor	CPU Mark / $Price
Intel Core i7-12700H		55.45
Intel Core i7-11800H @ 2.30GHz		50.19
Intel Core i5-1135G7 @ 2.40GHz		30.45
Intel Core i7-9750H @ 2.60GHz		11.05
Intel Atom N455 @ 1.66GHz		NA
Apple M1 8 Core 3200 MHz		NA
Apple M2 8 Core 3500 MHz		NA
Apple M1 Max 10 Core 3200 MHz		NA
AMD Ryzen 7 5800H		NA
AMD Ryzen 5 5600H		NA
AMD Ryzen 7 4800H		NA

Single Thread Rating
As of 13th of December 2025 - Higher results represent better performance
Processor	Average Thread Rating
Apple M2 8 Core 3500 MHz		3,889
Apple M1 Max 10 Core 3200 MHz		3,833
Apple M1 8 Core 3200 MHz		3,678
Intel Core i7-12700H		3,511
Intel Core i7-11800H @ 2.30GHz		3,029
AMD Ryzen 7 5800H		3,010
AMD Ryzen 5 5600H		2,891
Intel Core i5-1135G7 @ 2.40GHz		2,620
AMD Ryzen 7 4800H		2,590
Intel Core i7-9750H @ 2.60GHz		2,394
Intel Atom N455 @ 1.66GHz		266

Last 5 Baselines for Intel Atom N455 @ 1.66GHz
Most recent listed first
Baseline	CPU Mark
BL5106831 - Nov 12 2025		204
BL2710813 - Jun 21 2025		139
BL5096661 - Jun 18 2025		199
BL5075084 - Oct 05 2024		208
BL5055940 - Jan 21 2024		207

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

Popular comparisons for Intel Atom N455 @ 1.66GHz
As of 13th of December 2025 - Higher results represent better performance
Processor	Average CPU Mark
Intel Atom N455 @ 1.66GHz		188
Intel Atom N470 @ 1.83GHz vs Intel Atom N455		224 (+19.0%)
AMD E-240 vs Intel Atom N455		195 (+3.7%)
AMD E-350 vs Intel Atom N455		430 (+128.0%)
AMD C-50 vs Intel Atom N455		262 (+39.0%)
Mobile AMD Athlon 4 2400+ vs Intel Atom N455		233 (+23.7%)
Intel Atom N450 @ 1.66GHz vs Intel Atom N455		204 (+8.3%)
AMD V105 vs Intel Atom N455		184 (-2.4%)
Intel Atom N475 @ 1.83GHz vs Intel Atom N455		179 (-4.7%)
AMD Phenom II N660 Dual-Core vs Intel Atom N455		1,083 (+475.0%)
AMD Turion II P540 Dual-Core vs Intel Atom N455		922 (+389.4%)
AMD Turion II P520 Dual-Core vs Intel Atom N455		870 (+361.7%)
AMD Athlon II P360 Dual-Core vs Intel Atom N455		758 (+302.1%)

Is the Intel Atom N455 @ 1.66GHz Good for Gaming?
As of 13th of December 2025 - Higher results represent better performance
Processor	Relative Gaming Score
AMD Ryzen 9 9955HX3D		9,669
Intel Core Ultra 9 285HX		9,633
Intel Core Ultra 5 235HX		9,113
Intel Core Ultra 9 275HX		9,041
Intel Core Ultra 7 255HX		7,979
Intel Core Ultra 7 265HX		7,876
Intel Core Ultra 7 265H		7,783
AMD Ryzen 9 9850HX		7,301
Intel Core i9-14900HX		6,953
AMD Ryzen AI Max Pro 390		6,780
AMD Ryzen AI Max 390		6,719
Intel Core i9-13980HX		6,706
Intel Atom N455 @ 1.66GHz		76

CPU Benchmarks

CPU Benchmarks

Intel Atom N455 @ 1.66GHz

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CPU Test Suite Average Results for Intel Atom N455 @ 1.66GHz

CPU Mark Distribution for Intel Atom N455 @ 1.66GHz