Intel Core M-5Y51 vs Intel Atom N2800

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CPU comparison with benchmarks


Intel Core M-5Y51 CPU1 vs CPU2 Intel Atom N2800
Intel Core M-5Y51 Intel Atom N2800

CPU comparison

In this CPU comparison, we compare the Intel Core M-5Y51 and the Intel Atom N2800 and use benchmarks to check which processor is faster.

We compare the Intel Core M-5Y51 2 core processor released in Q4/2014 with the Intel Atom N2800 which has 2 CPU cores and was introduced in Q4/2011.
Intel Core M (16) Family Intel Atom (101)
Intel Core M 5 (7) CPU group Intel Atom N2000 (3)
5 Generation 3
Broadwell Y Architecture Cedarview
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core M-5Y51 is a 2 core processor with a clock frequency of 1.10 GHz (2.60 GHz). The processor can compute 4 threads at the same time. The Intel Atom N2800 clocks with 1.86 GHz, has 2 CPU cores and can calculate 4 threads in parallel.

Intel Core M-5Y51 Characteristic Intel Atom N2800
2 Cores 2
4 Threads 4
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
1.10 GHz Frequency 1.86 GHz
2.60 GHz Turbo Frequency (1 Core) --
2.00 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 Core M-5Y51 Characteristic Intel Atom N2800
-- 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.

Intel HD Graphics 5300 GPU Intel GMA 3600
0.30 GHz GPU frequency 0.40 GHz
0.90 GHz GPU (Turbo) --
8 GPU Generation --
14 nm Technology 65 nm
3 Max. displays 2
24 Compute units 4
192 Shader 32
No Hardware Raytracing No
No Frame Generation No
16 GB Max. GPU Memory 1 GB
11.2 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.

Intel HD Graphics 5300 GPU Intel GMA 3600
Decode Codec h265 / HEVC (8 bit) No
Decode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode Codec VP9 No
Decode Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

Up to 16 GB of memory in a maximum of 2 memory channels is supported by the Intel Core M-5Y51, while the Intel Atom N2800 supports a maximum of 4 GB of memory with a maximum memory bandwidth of 8.6 GB/s enabled.

Intel Core M-5Y51 Characteristic Intel Atom N2800
DDR3L-1600 Memory DDR3-1066
16 GB Max. Memory 4 GB
2 (Dual Channel) Memory channels 1 (Single Channel)
25.6 GB/s Max. Bandwidth 8.6 GB/s
No ECC No
-- L2 Cache --
4.00 MB L3 Cache 1.00 MB
2.0 PCIe version --
12 PCIe lanes --
6.0 GB/s PCIe Bandwidth --

Thermal Management

The Intel Core M-5Y51 has a TDP of 4.5 W. The TDP of the Intel Atom N2800 is 6.5 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core M-5Y51 Characteristic Intel Atom N2800
4.5 W TDP (PL1 / PBP) 6.5 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core M-5Y51 has 4.00 MB cache and is manufactured in 14 nm. The cache of Intel Atom N2800 is at 1.00 MB. The processor is manufactured in 32 nm.

Intel Core M-5Y51 Characteristic Intel Atom N2800
14 nm Technology 32 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE3
BGA 1234 Socket BGA 559
VT-x, VT-x EPT, VT-d Virtualization None
Yes AES-NI No
Operating systems Windows 10, Linux
Q4/2014 Release date Q4/2011
-- Release price 50 $
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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Core M-5Y51 (100%)
Intel Atom N2800 (14%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Core M-5Y51 (100%)
Intel Atom N2800 (20%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core M-5Y51 Intel Core M-5Y51
2C 4T @ 2.60 GHz
669 (100%)
Intel Atom N2800 Intel Atom N2800
2C 4T @ 1.86 GHz
110 (16%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core M-5Y51 Intel Core M-5Y51
2C 4T @ 2.00 GHz
1272 (100%)
Intel Atom N2800 Intel Atom N2800
2C 4T @ 1.86 GHz
305 (24%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core M-5Y51 Intel Core M-5Y51
2C 4T @ 2.60 GHz
782 (100%)
Intel Atom N2800 Intel Atom N2800
2C 4T @ 1.86 GHz
89 (11%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core M-5Y51 Intel Core M-5Y51
2C 4T @ 2.00 GHz
1427 (100%)
Intel Atom N2800 Intel Atom N2800
2C 4T @ 1.86 GHz
224 (16%)

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 Core M-5Y51 Intel Core M-5Y51
Intel HD Graphics 5300 @ 0.90 GHz
346 (100%)
Intel Atom N2800 Intel Atom N2800
Intel GMA 3600 @ 0.40 GHz
26 (7%)

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 Core M-5Y51 Intel Core M-5Y51
2C 4T @ 2.00 GHz
2161 (100%)
Intel Atom N2800 Intel Atom N2800
2C 4T @ 1.86 GHz
438 (20%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core M-5Y51 Intel Core M-5Y51
2C 4T @ 2.60 GHz
107 (100%)
Intel Atom N2800 Intel Atom N2800
2C 4T @ 1.86 GHz
0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core M-5Y51 Intel Core M-5Y51
2C 4T @ 2.00 GHz
208 (100%)
Intel Atom N2800 Intel Atom N2800
2C 4T @ 1.86 GHz
0 (0%)

Devices using this processor

Intel Core M-5Y51 Intel Atom N2800
Unknown Unknown

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