Intel Atom N2100 vs Intel Core i5-520UM

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CPU comparison with benchmarks


Intel Atom N2100 CPU1 vs CPU2 Intel Core i5-520UM
Intel Atom N2100 Intel Core i5-520UM

CPU comparison

In this CPU comparison, we compare the Intel Atom N2100 and the Intel Core i5-520UM and use benchmarks to check which processor is faster.

We compare the Intel Atom N2100 1 core processor released in Q4/2011 with the Intel Core i5-520UM which has 2 CPU cores and was introduced in Q1/2010.
Intel Atom (108) Family Intel Core i5 (331)
Intel Atom N2000 (3) CPU group Intel Core i5 500 (3)
3 Generation 1
Cedarview Architecture Arrandale
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom N2100 is a 1 core processor with a clock frequency of 1.60 GHz. The processor can compute 2 threads at the same time. The Intel Core i5-520UM clocks with 1.07 GHz (1.87 GHz), has 2 CPU cores and can calculate 4 threads in parallel.

Intel Atom N2100 Characteristic Intel Core i5-520UM
1 Cores 2
2 Threads 4
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
1.60 GHz Frequency 1.07 GHz
-- Turbo Frequency (1 Core) 1.87 GHz
-- Turbo Frequency (All Cores) --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Atom N2100 Characteristic Intel Core i5-520UM
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

PowerVR SGX545 GPU Intel HD Graphics (Westmere)
0.64 GHz GPU frequency 0.50 GHz
-- GPU (Turbo) 0.73 GHz
-- GPU Generation 5
32 Technology 32 nm
2 Max. displays 2
4 Compute units 12
32 Shader 24
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 GB
10.1 DirectX Version 10.1

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

PowerVR SGX545 GPU Intel HD Graphics (Westmere)
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC Decode
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

Up to 4 GB of memory in a maximum of 1 memory channels is supported by the Intel Atom N2100, while the Intel Core i5-520UM supports a maximum of 8 GB of memory with a maximum memory bandwidth of 12.8 GB/s enabled.

Intel Atom N2100 Characteristic Intel Core i5-520UM
DDR3-800 Memory DDR3-800
4 GB Max. Memory 8 GB
1 (Single Channel) Memory channels 2 (Dual Channel)
8.5 GB/s Max. Bandwidth 12.8 GB/s
No ECC No
0.50 MB L2 Cache 3.00 MB
-- L3 Cache --
-- PCIe version 2.0
-- PCIe lanes 16
-- PCIe Bandwidth 8.0 GB/s

Thermal Management

The Intel Atom N2100 has a TDP of 3.5 W. The TDP of the Intel Core i5-520UM is 18 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Atom N2100 Characteristic Intel Core i5-520UM
3.5 W TDP (PL1 / PBP) 18 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 105 °C

Technical details

The Intel Atom N2100 has 0.50 MB cache and is manufactured in 32 nm. The cache of Intel Core i5-520UM is at 3.00 MB. The processor is manufactured in 32 nm.

Intel Atom N2100 Characteristic Intel Core i5-520UM
32 nm Technology 32 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE3 ISA extensions SSE4.1, SSE4.2
BGA 559 Socket BGA 1288
None Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Windows 10, Linux Operating systems Windows, Linux
Q4/2011 Release date Q1/2010
-- Release price --
show more data show more data


Rate these processors

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Here you can rate the Intel Core i5-520UM to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Atom N2100 Intel Atom N2100
PowerVR SGX545 @ 0.64 GHz
0 (0%)
Intel Core i5-520UM Intel Core i5-520UM
Intel HD Graphics (Westmere) @ 0.73 GHz
35 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Atom N2100 Intel Atom N2100
1C 2T @ 1.60 GHz
188 (100%)
Intel Core i5-520UM Intel Core i5-520UM
2C 4T @ 1.07 GHz
0 (0%)

Devices using this processor

Intel Atom N2100 Intel Core i5-520UM
Unknown Unknown

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