Intel Core M-5Y71 vs Intel Celeron 3855U

Last updated: 2024-04-15

CPU comparison with benchmarks


Intel Core M-5Y71		Intel Celeron 3855U
CPU comparison Intel Core M-5Y71 or Intel Celeron 3855U - 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 Celeron 3855U has 2 cores with 2 threads and clocks with a maximum frequency of 1.60 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Celeron 3855U was released in Q4/2015.

Intel Core M (16)	Family	Intel Celeron (165)
Intel Core M 5 (7)	CPU group	Intel Celeron 3000 (10)
5	Generation	7
Broadwell Y	Architecture	Kaby Lake U
Mobile	Segment	Mobile
--	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 Celeron 3855U has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the Intel Celeron 3855U is at 1.60 GHz.
Intel Core M-5Y71	Characteristic	Intel Celeron 3855U
2	Cores	2
4	Threads	2
normal	Core architecture	normal
Yes	Hyperthreading	No
No	Overclocking ?	No
1.20 GHz	Frequency	1.60 GHz
2.90 GHz	Turbo Frequency (1 Core)	--
2.20 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-5Y71	Characteristic	Intel Celeron 3855U
--	AI hardware	--
--	AI specifications	--

Internal Graphics The Intel Core M-5Y71 or Intel Celeron 3855U 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 510
0.30 GHz	GPU frequency	0.30 GHz
0.90 GHz	GPU (Turbo)	0.90 GHz
8	GPU Generation	9
14 nm	Technology	14 nm
3	Max. displays	3
24	Compute units	12
192	Shader	96
No	Hardware Raytracing	No
No	Frame Generation	No
16 GB	Max. GPU Memory	32 GB
11.2	DirectX Version	12.0

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 510
Decode	Codec h265 / HEVC (8 bit)	Decode / Encode
Decode	Codec h265 / HEVC (10 bit)	Decode
Decode / Encode	Codec h264	Decode / Encode
Decode	Codec VP9	Decode
Decode	Codec VP8	Decode / Encode
No	Codec AV1	No
Decode / Encode	Codec AVC	Decode / Encode
Decode	Codec VC-1	Decode
Decode / Encode	Codec JPEG	Decode

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 Celeron 3855U supports up to 32 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 34.1 GB/s.
Intel Core M-5Y71	Characteristic	Intel Celeron 3855U
DDR3L-1600	Memory	LPDDR3-1866, DDR4-2133, DDR3L-1600
16 GB	Max. Memory	32 GB
2 (Dual Channel)	Memory channels	2 (Dual Channel)
25.6 GB/s	Max. Bandwidth	34.1 GB/s
No	ECC	No
--	L2 Cache	--
4.00 MB	L3 Cache	2.00 MB
2.0	PCIe version	2.0
12	PCIe lanes	10
6.0 GB/s	PCIe Bandwidth	5.0 GB/s
Thermal Management The thermal design power (TDP for short) of the Intel Core M-5Y71 is 4.5 W, while the Intel Celeron 3855U has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
Intel Core M-5Y71	Characteristic	Intel Celeron 3855U
4.5 W	TDP (PL1 / PBP)	15 W
--	TDP (PL2)	--
--	TDP up	--
--	TDP down	10 W
--	Tjunction max.	100 °C
Technical details The Intel Core M-5Y71 is manufactured in 14 nm and has 4.00 MB cache. The Intel Celeron 3855U is manufactured in 14 nm and has a 2.00 MB cache.
Intel Core M-5Y71	Characteristic	Intel Celeron 3855U
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
BGA 1234	Socket	--
VT-x, VT-x EPT, VT-d	Virtualization	VT-x, VT-x EPT, VT-d
Yes	AES-NI	Yes
	Operating systems	Windows 10, Linux
Q4/2014	Release date	Q4/2015
--	Release price	107 $

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Intel Core M-5Y71 2C 4T @ 1.20 GHz (2.90 GHz) buy now on Amazon and save! Intel Celeron 3855U 2C 2T @ 1.60 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 Celeron 3855U (53%)

⌀ Multi core performance in 4 CPU benchmarks

Intel Core M-5Y71 (100%)

Intel Celeron 3855U (55%)

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 Celeron 3855U 2C 2T @ 1.60 GHz	430 (59%)

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 Celeron 3855U 2C 2T @ 1.60 GHz	848 (58%)

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-5Y71 2C 4T @ 2.90 GHz	863 (100%)
	Intel Celeron 3855U 2C 2T @ 1.60 GHz	361 (42%)

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-5Y71 2C 4T @ 2.20 GHz	1424 (100%)
	Intel Celeron 3855U 2C 2T @ 1.60 GHz	632 (44%)

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 Celeron 3855U Intel HD Graphics 510 @ 0.90 GHz	173 (50%)

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 (100%)
	Intel Celeron 3855U 2C 2T @ 1.60 GHz	1265 (62%)

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 Celeron 3855U 2C 2T @ 1.60 GHz	68 (57%)

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 Celeron 3855U 2C 2T @ 1.60 GHz	127 (56%)

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 Celeron 3855U 2C 2T @ 1.60 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 Celeron 3855U 2C 2T @ 1.60 GHz	0 (0%)

Devices using this processor
Intel Core M-5Y71	Intel Celeron 3855U
Unknown	Unknown

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