Intel Core i5-5257U vs Intel Core M-5Y71

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CPU comparison with benchmarks


Intel Core i5-5257U CPU1 vs CPU2 Intel Core M-5Y71
Intel Core i5-5257U Intel Core M-5Y71

CPU comparison

Intel Core i5-5257U or Intel Core M-5Y71 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core i5-5257U has 2 cores with 4 threads and clocks with a maximum frequency of 3.10 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core i5-5257U was released in Q1/2015.

The Intel Core M-5Y71 has 2 cores with 4 threads and clocks with a maximum frequency of 2.90 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core M-5Y71 was released in Q4/2014.
Intel Core i5 (328) Family Intel Core M (16)
Intel Core i 5000U (16) CPU group Intel Core M 5 (7)
5 Generation 5
Broadwell U Architecture Broadwell Y
Mobile Segment Mobile
Intel Core i5-4258U Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i5-5257U is a 2 core processor with a clock frequency of 2.70 GHz (3.10 GHz). The Intel Core M-5Y71 has 2 CPU cores with a clock frequency of 1.20 GHz (2.90 GHz).

Intel Core i5-5257U Characteristic Intel Core M-5Y71
2 Cores 2
4 Threads 4
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.70 GHz Frequency 1.20 GHz
3.10 GHz Turbo Frequency (1 Core) 2.90 GHz
3.10 GHz Turbo Frequency (All Cores) 2.20 GHz

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 i5-5257U Characteristic Intel Core M-5Y71
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

Intel Iris Graphics 6100 GPU Intel HD Graphics 5300
0.30 GHz GPU frequency 0.30 GHz
1.05 GHz GPU (Turbo) 0.90 GHz
8 GPU Generation 8
14 nm Technology 14 nm
3 Max. displays 3
48 Compute units 24
384 Shader 192
No Hardware Raytracing No
No Frame Generation No
16 GB Max. GPU Memory 16 GB
11.2 DirectX Version 11.2

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 Iris Graphics 6100 GPU Intel HD Graphics 5300
No Codec h265 / HEVC (8 bit) Decode
No Codec h265 / HEVC (10 bit) Decode
Decode / Encode Codec h264 Decode / Encode
No Codec VP9 Decode
Decode Codec VP8 Decode
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode Codec JPEG Decode / Encode

Memory & PCIe

The Intel Core i5-5257U supports a maximum of 16 GB of memory in 2 memory channels. The Intel Core M-5Y71 can connect up to 16 GB of memory in 2 memory channels.

Intel Core i5-5257U Characteristic Intel Core M-5Y71
LPDDR3-1866, DDR3-1600 Memory DDR3L-1600
16 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
25.6 GB/s Max. Bandwidth 25.6 GB/s
No ECC No
-- L2 Cache --
3.00 MB L3 Cache 4.00 MB
2.0 PCIe version 2.0
12 PCIe lanes 12
6.0 GB/s PCIe Bandwidth 6.0 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i5-5257U has a TDP of 28 W, that of the Intel Core M-5Y71 is 4.5 W.

Intel Core i5-5257U Characteristic Intel Core M-5Y71
28 W TDP (PL1 / PBP) 4.5 W
-- TDP (PL2) --
-- TDP up --
23 W TDP down --
105 °C Tjunction max. --

Technical details

The Intel Core i5-5257U has a 3.00 MB cache, while the Intel Core M-5Y71 cache has a total of 4.00 MB.

Intel Core i5-5257U Characteristic Intel Core M-5Y71
14 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
BGA 1168 Socket BGA 1234
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems
Q1/2015 Release date Q4/2014
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
⌀ Multi core performance in 4 CPU benchmarks

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 i5-5257U Intel Core i5-5257U
2C 4T @ 3.10 GHz
760 (100%)
Intel Core M-5Y71 Intel Core M-5Y71
2C 4T @ 2.90 GHz
733 (96%)

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 i5-5257U Intel Core i5-5257U
2C 4T @ 3.10 GHz
1649 (100%)
Intel Core M-5Y71 Intel Core M-5Y71
2C 4T @ 2.20 GHz
1458 (88%)

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 i5-5257U Intel Core i5-5257U
2C 4T @ 3.10 GHz
971 (100%)
Intel Core M-5Y71 Intel Core M-5Y71
2C 4T @ 2.90 GHz
863 (89%)

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 i5-5257U Intel Core i5-5257U
2C 4T @ 3.10 GHz
1964 (100%)
Intel Core M-5Y71 Intel Core M-5Y71
2C 4T @ 2.20 GHz
1424 (73%)

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 i5-5257U Intel Core i5-5257U
Intel Iris Graphics 6100 @ 1.05 GHz
806 (100%)
Intel Core M-5Y71 Intel Core M-5Y71
Intel HD Graphics 5300 @ 0.90 GHz
346 (43%)

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 i5-5257U Intel Core i5-5257U
2C 4T @ 3.10 GHz
3034 (100%)
Intel Core M-5Y71 Intel Core M-5Y71
2C 4T @ 2.20 GHz
2027 (67%)

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 i5-5257U Intel Core i5-5257U
2C 4T @ 3.10 GHz
126 (100%)
Intel Core M-5Y71 Intel Core M-5Y71
2C 4T @ 2.90 GHz
119 (94%)

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 i5-5257U Intel Core i5-5257U
2C 4T @ 3.10 GHz
327 (100%)
Intel Core M-5Y71 Intel Core M-5Y71
2C 4T @ 2.20 GHz
228 (70%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 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 i5-5257U Intel Core i5-5257U
2C 4T @ 3.10 GHz
0 (0%)
Intel Core M-5Y71 Intel Core M-5Y71
2C 4T @ 2.90 GHz
714 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 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 i5-5257U Intel Core i5-5257U
2C 4T @ 3.10 GHz
0 (0%)
Intel Core M-5Y71 Intel Core M-5Y71
2C 4T @ 2.20 GHz
1489 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 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 i5-5257U Intel Core i5-5257U
2C 4T @ 3.10 GHz
277 (100%)
Intel Core M-5Y71 Intel Core M-5Y71
2C 4T @ 2.90 GHz
0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 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 i5-5257U Intel Core i5-5257U
2C 4T @ 3.10 GHz
706 (100%)
Intel Core M-5Y71 Intel Core M-5Y71
2C 4T @ 2.20 GHz
0 (0%)

Devices using this processor

Intel Core i5-5257U Intel Core M-5Y71
Unknown Unknown

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