Intel Core M-5Y71 vs Intel Core M-5Y51

Last updated: 2023-04-26

CPU comparison with benchmarks


Intel Core M-5Y71		Intel Core M-5Y51
CPU comparison Intel Core M-5Y71 or Intel Core M-5Y51 - 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 M-5Y71 has 2 cores with 4 threads and clocks with a maximum frequency of 2.90 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core M-5Y71 was released in Q4/2014. The Intel Core M-5Y51 has 2 cores with 4 threads and clocks with a maximum frequency of 2.60 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core M-5Y51 was released in Q4/2014.

Intel Core M (16)	Family	Intel Core M (16)
Intel Core M 5 (7)	CPU group	Intel Core M 5 (7)
5	Generation	5
Broadwell Y	Architecture	Broadwell Y
Notebook	Segment	Notebook
--	Predecessor	--
--	Successor	--

CPU Cores and Base Frequency The Intel Core M-5Y71 has 2 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core M-5Y71 is 1.20 GHz (2.90 GHz) while the Intel Core M-5Y51 has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Core M-5Y51 is at 1.10 GHz (2.60 GHz).
Intel Core M-5Y71	Characteristic	Intel Core M-5Y51
2	Cores	2
4	Threads	4
normal	Core architecture	normal
Yes	Hyperthreading	Yes
No	Overclocking ?	No
1.20 GHz	Frequency	1.10 GHz
2.90 GHz	Turbo Frequency (1 Core)	2.60 GHz
2.20 GHz	Turbo Frequency (All Cores)	2.00 GHz


NPU AI performance The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.
Intel Core M-5Y71	Characteristic	Intel Core M-5Y51
--	AI hardware	--
--	AI specifications	--
--	NPU + CPU + iGPU	--

Integrated graphics (iGPU) The Intel Core M-5Y71 or Intel Core M-5Y51 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
Intel HD Graphics 5300	GPU	Intel HD Graphics 5300
0.30 GHz	GPU frequency	0.30 GHz
0.90 GHz	GPU (Turbo)	0.90 GHz
8	GPU Generation	8
14 nm	Technology	14 nm
3	Max. displays	3
24	Compute units	24
192	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 HD Graphics 5300	GPU	Intel HD Graphics 5300
Decode	Codec h265 / HEVC (8 bit)	Decode
Decode	Codec h265 / HEVC (10 bit)	Decode
Decode / Encode	Codec h264	Decode / Encode
Decode	Codec VP9	Decode
Decode	Codec VP8	Decode
No	Codec AV1	No
Decode / Encode	Codec AVC	Decode / Encode
Decode	Codec VC-1	Decode
Decode / Encode	Codec JPEG	Decode / Encode

Memory & PCIe The Intel Core M-5Y71 can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 25.6 GB/s. The Intel Core M-5Y51 supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 25.6 GB/s.
Intel Core M-5Y71	Characteristic	Intel Core M-5Y51
DDR3L-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	--
4.00 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 thermal design power (TDP for short) of the Intel Core M-5Y71 is 4.5 W, while the Intel Core M-5Y51 has a TDP of 4.5 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
Intel Core M-5Y71	Characteristic	Intel Core M-5Y51
4.5 W	TDP (PL1 / PBP)	4.5 W
--	TDP (PL2)	--
--	TDP up	--
--	TDP down	--
--	Tjunction max.	--
Technical details The Intel Core M-5Y71 is manufactured in 14 nm and has 4.00 MB cache. The Intel Core M-5Y51 is manufactured in 14 nm and has a 4.00 MB cache.

Intel Core M-5Y71	Characteristic	Intel Core M-5Y51
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 1234	Socket	BGA 1234
VT-x, VT-x EPT, VT-d	Virtualization	VT-x, VT-x EPT, VT-d
Yes	AES-NI	Yes
	Operating systems
Q4/2014	Release date	Q4/2014
--	Release price	--

show more data		show more data

Intel Core M-5Y71 2C 4T @ 1.20 GHz (2.90 GHz) buy now on Amazon and save! Intel Core M-5Y51 2C 4T @ 1.10 GHz (2.60 GHz) buy now on Amazon and save!

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Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks

Intel Core M-5Y71 (100%)

Intel Core M-5Y51 (91%)

⌀ Multi core performance in 4 CPU benchmarks

Intel Core M-5Y71 (99%)

Intel Core M-5Y51 (95%)

Geekbench 6 (Single-Core)

Geekbench 6 is a partial load benchmark for modern computers, notebooks and smartphones. In the single-core test, only the fastest CPU core is measured. The test run simulates the performance in practice.


	Intel Core M-5Y71 2C 4T @ 2.90 GHz	863 (100%)
	Intel Core M-5Y51 2C 4T @ 2.60 GHz	782 (91%)

Geekbench 6 (Multi-Core)

The practical Geekbench 6 multi-core benchmark tests the system's performance under partial load. The processor's maximum power consumption is far from being used up.


	Intel Core M-5Y71 2C 4T @ 2.20 GHz	1424 (100%)
	Intel Core M-5Y51 2C 4T @ 2.00 GHz	1427 (100%)

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-5Y71 2C 4T @ 2.90 GHz	733 (100%)
	Intel Core M-5Y51 2C 4T @ 2.60 GHz	669 (91%)

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-5Y71 2C 4T @ 2.20 GHz	1458 (100%)
	Intel Core M-5Y51 2C 4T @ 2.00 GHz	1272 (87%)

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-5Y71 Intel HD Graphics 5300 @ 0.90 GHz	346 (100%)
	Intel Core M-5Y51 Intel HD Graphics 5300 @ 0.90 GHz	346 (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 Core M-5Y71 2C 4T @ 2.20 GHz	2027 (94%)
	Intel Core M-5Y51 2C 4T @ 2.00 GHz	2161 (100%)

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-5Y71 2C 4T @ 2.90 GHz	119 (100%)
	Intel Core M-5Y51 2C 4T @ 2.60 GHz	107 (90%)

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-5Y71 2C 4T @ 2.20 GHz	228 (100%)
	Intel Core M-5Y51 2C 4T @ 2.00 GHz	208 (91%)

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 M-5Y71 2C 4T @ 2.90 GHz	714 (100%)
	Intel Core M-5Y51 2C 4T @ 2.60 GHz	0 (0%)

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 M-5Y71 2C 4T @ 2.20 GHz	1489 (100%)
	Intel Core M-5Y51 2C 4T @ 2.00 GHz	0 (0%)

Devices using this processor
Intel Core M-5Y71	Intel Core M-5Y51
Unknown	Unknown

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