Intel Core i3-4012Y vs Intel Core i7-3940XM Benchmark, comparison and differences


Intel Core i3-4012Y		Intel Core i7-3940XM
CPU comparison In this CPU comparison, we compare the Intel Core i3-4012Y and the Intel Core i7-3940XM and use benchmarks to check which processor is faster. We compare the Intel Core i3-4012Y 2 core processor released in Q3/2013 with the Intel Core i7-3940XM which has 4 CPU cores and was introduced in Q3/2012.

Intel Core i3 (205)	Family	Intel Core i7 Extreme Edition (24)
Intel Core i 4000Y (11)	CPU group	Intel Core i 3000M (29)
4	Generation	3
Haswell Y	Architecture	Ivy Bridge H
Mobile	Segment	Mobile
--	Predecessor	--
--	Successor	--

CPU Cores and Base Frequency The Intel Core i3-4012Y is a 2 core processor with a clock frequency of 1.50 GHz. The processor can compute 4 threads at the same time. The Intel Core i7-3940XM clocks with 3.00 GHz (3.90 GHz), has 4 CPU cores and can calculate 8 threads in parallel.
Intel Core i3-4012Y	Characteristic	Intel Core i7-3940XM
2	Cores	4
4	Threads	8
normal	Core architecture	normal
Yes	Hyperthreading	Yes
No	Overclocking ?	Yes
1.50 GHz	Frequency	3.00 GHz
--	Turbo Frequency (1 Core)	3.90 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 i3-4012Y	Characteristic	Intel Core i7-3940XM
--	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 4200	GPU	Intel HD Graphics 4000
0.20 GHz	GPU frequency	0.65 GHz
0.85 GHz	GPU (Turbo)	1.35 GHz
7.5	GPU Generation	7
22 nm	Technology	22 nm
3	Max. displays	3
20	Compute units	16
160	Shader	128
No	Hardware Raytracing	No
No	Frame Generation	No
2 GB	Max. GPU Memory	2 GB
11.1	DirectX Version	11.0

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 4200	GPU	Intel HD Graphics 4000
No	Codec h265 / HEVC (8 bit)	No
No	Codec h265 / HEVC (10 bit)	No
Decode / Encode	Codec h264	Decode / Encode
No	Codec VP9	No
No	Codec VP8	No
No	Codec AV1	No
Decode / Encode	Codec AVC	Decode / Encode
Decode	Codec VC-1	Decode
Decode	Codec JPEG	Decode

Memory & PCIe Up to 16 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i3-4012Y, while the Intel Core i7-3940XM supports a maximum of 32 GB of memory with a maximum memory bandwidth of 25.6 GB/s enabled.
Intel Core i3-4012Y	Characteristic	Intel Core i7-3940XM
LPDDR3-1600, DDR3-1600	Memory	DDR3L-1333, DDR3L-1600, DDR3-1333, DDR3-1600
16 GB	Max. Memory	32 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	8.00 MB
2.0	PCIe version	3.0
12	PCIe lanes	16
6.0 GB/s	PCIe Bandwidth	15.8 GB/s
Thermal Management The Intel Core i3-4012Y has a TDP of 11.5 W. The TDP of the Intel Core i7-3940XM is 55 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.
Intel Core i3-4012Y	Characteristic	Intel Core i7-3940XM
11.5 W	TDP (PL1 / PBP)	55 W
--	TDP (PL2)	--
--	TDP up	--
4.5 W	TDP down	--
100 °C	Tjunction max.	105 °C
Technical details The Intel Core i3-4012Y has 3.00 MB cache and is manufactured in 22 nm. The cache of Intel Core i7-3940XM is at 8.00 MB. The processor is manufactured in 22 nm.
Intel Core i3-4012Y	Characteristic	Intel Core i7-3940XM
22 nm	Technology	22 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, AVX
BGA 1168	Socket	PGA 988
VT-x, VT-x EPT, VT-d	Virtualization	VT-x, VT-x EPT
Yes	AES-NI	Yes
Windows 10, Linux	Operating systems	Windows 10, Linux
Q3/2013	Release date	Q3/2012
--	Release price	--

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Intel Core i3-4012Y 2C 4T @ 1.50 GHz buy now on Amazon and save! Intel Core i7-3940XM 4C 8T @ 3.00 GHz (3.90 GHz) buy now on Amazon and save!

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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks

Intel Core i3-4012Y (57%)

Intel Core i7-3940XM (100%)

⌀ Multi core performance in 3 CPU benchmarks

Intel Core i3-4012Y (28%)

Intel Core i7-3940XM (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 i3-4012Y 2C 4T @ 1.50 GHz	344 (43%)
	Intel Core i7-3940XM 4C 8T @ 3.90 GHz	799 (100%)

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 i3-4012Y 2C 4T @ 1.50 GHz	802 (24%)
	Intel Core i7-3940XM 4C 8T @ 3.00 GHz	3310 (100%)

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 i3-4012Y 2C 4T @ 1.50 GHz	485 (70%)
	Intel Core i7-3940XM 4C 8T @ 3.90 GHz	694 (100%)

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 i3-4012Y 2C 4T @ 1.50 GHz	988 (37%)
	Intel Core i7-3940XM 4C 8T @ 3.00 GHz	2670 (100%)

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 i3-4012Y Intel HD Graphics 4200 @ 0.85 GHz	272 (79%)
	Intel Core i7-3940XM Intel HD Graphics 4000 @ 1.35 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 i3-4012Y 2C 4T @ 1.50 GHz	1399 (24%)
	Intel Core i7-3940XM 4C 8T @ 3.00 GHz	5849 (100%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.


	Intel Core i3-4012Y 2C 4T @ 1.50 GHz	0 (0%)
	Intel Core i7-3940XM 4C 8T @ 3.00 GHz	1790 (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 i3-4012Y 2C 4T @ 1.50 GHz	61 (100%)
	Intel Core i7-3940XM 4C 8T @ 3.90 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 i3-4012Y 2C 4T @ 1.50 GHz	152 (100%)
	Intel Core i7-3940XM 4C 8T @ 3.00 GHz	0 (0%)

Devices using this processor
Intel Core i3-4012Y	Intel Core i7-3940XM
Unknown	Unknown


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Intel Core i3-4012Y vs Intel Core i7-3940XM

CPU comparison with benchmarks

CPU comparison

CPU Cores and Base Frequency

Artificial Intelligence and Machine Learning

Internal Graphics

Hardware codec support

Memory & PCIe

Thermal Management

Technical details