Intel Core i7-4940MX VS Intel Atom CE5315

Comparing Intel Core i7-4940MX vs Intel Atom CE5315

Comparison of video cards Intel Core i7-4940MX vs Intel Atom CE5315 in benchmarks and specifications.

Differences Specifications

Differences

Top features of Intel Atom CE5315

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Performance per watt

15 W 57 W

About 3.8 0.97 times less performance per watt

Top features of Intel Core i7-4940MX

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Higher clock speed

3.10 GHz 1.20 GHz

Around 61% better clock speed

Specifications

Complete list of technical specifications

Intel Atom CE5315 Intel Core i7-4940MX

CPU generation and family

Let's find out which one of Intel Atom CE5315 and Intel Core i7-4940MX is of a more recent generation, and what segment it belongs to.

Specification	Value
Name	Intel Atom CE5315 Intel Core i7-4940MX
Family	Intel Atom Intel Core i7 Extreme Edition
CPU group	Intel Atom CE5300 Intel Core i 4000M/4000H
Segment	Mobile Mobile
Generation	3 4

CPU Cores and Base Frequency

In this block we are going to compare Intel Atom CE5315 vs Intel Core i7-4940MX by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.

Specification	Value
Core architecture	normal normal
Overclocking	No Yes
Frequency	1.20 GHz 3.10 GHz

Internal Graphics

Common specifications for integrated graphics cards in Intel Atom CE5315 and Intel Core i7-4940MX along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

Specification	Value
GPU name	no iGPU Intel HD Graphics 4600
GPU frequency	0.40 GHz
GPU (Turbo)	No turbo 1.35 GHz
Execution units	20
Shader	160
Max. GPU Memory	-- 2 GB
Max. displays	3
Generation	7.5
Technology	22 nm
Release date	Q2/2013

Hardware codec support

Let's compare the support of video codecs between Intel Atom CE5315 and Intel Core i7-4940MX. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

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

Memory & PCIe

To choose the best model between Intel Atom CE5315 and Intel Core i7-4940MX you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.

Specification	Value
Memory type	DDR3L-1600 SO-DIMM DDR3L-1600 SO-DIMM
Memory channels	1 (Single Channel) 4
ECC	Yes No

Thermal Management

Let's find out what TDP value would be better for Intel Atom CE5315 or Intel Core i7-4940MX? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.

Specification	Value
TDP (PL1)	15 W 57 W
TDP down	10 W --

Technical details

Here you can find a comparison of 2nd and 3rd level cache sizes for Intel Atom CE5315 and Intel Core i7-4940MX CPUs along with a list of ISA extensions.

Specification	Value
Technology	32 nm 22 nm
Socket	BGA 1283 PGA 946
L2-Cache	0.50 MB --
L3-Cache	-- 8.00 MB
Architecture	Berryville Haswell H
Virtualization	Unknown VT-x, VT-x EPT, VT-d
Instruction set (ISA)	x86-64 (64 bit) x86-64 (64 bit)
ISA extensions	Unknown SSE4.1, SSE4.2, AVX2
Release date	Q1/2013 Q4/2013