GadgetVersus Smartphone Processor

Intel Core i5-7400 vs Samsung Exynos 7 Octa 7870

Intel Core i5-7400 on Amazon USA
Samsung Exynos 7 Octa 7870 on Amazon USA

Comparison of the technical characteristics between the processors, with the Intel Core i5-7400 on one side and the Samsung Exynos 7 Octa 7870 on the other side. The first is dedicated to the desktop sector, It has 4 cores, 4 threads, a maximum frequency of 3.5GHz. The second is used on the smartphone segment, it has a total of 8 cores, 8 threads, its turbo frequency is set to 1.6 GHz. The following table also compares the lithography, the number of transistors (if indicated), the amount of cache memory, the maximum RAM memory capacity, the type of memory accepted, the date of first broadcast, the maximum number of PCIe lines, the values ​​obtained in Geekbench 4 and Cinebench R15, as well as an average price.


Processor Intel Core i5-7400 Samsung Exynos 7 Octa 7870
Market Desktop Smartphone
Family Kaby Lake Exynos
Part number(s), S-Spec CM8067702867050,
Exynos 7 Octa 7870
Release date Q1 2017 Q1 2016
Lithography 14 nm+ 14 nm LPP
Cores 4 8
Threads 4 8
Base frequency 3.0 GHz 1.6 GHz
Turbo frequency 3.5 GHz -
Energy cores - 8x ARM Cortex-A53 @ 1.6 GHz
Cache memory 6 MB 2 MB
Max memory capacity 64 GB 4 GB
Memory types DDR4-2133/2400,
DDR3L-1333/1600 @ 1.35V
Max # of memory channels 2 1
TDP 65 W 3 W
GPU integrated graphics Intel HD Graphics 630 ARM Mali-T830 MP1
GPU execution units 24 1
GPU shading units 192 16
GPU base clock rate 350 MHz 700 MHz
GPU max clock rate 1000 MHz 700 MHz
GPU FP32 floating point 384 GFLOPS 23.8 GFLOPS
(Linux 64-bit | Android 64-bit)
Geekbench 4 single core
4,490 684
(Linux 64-bit | Android 64-bit)
Geekbench 4 multi-core
10,779 3,152
GFLOPS performance
(Multi-core / price performance)
Performance / price ratio
60 pts / $ 7 pts / $
(Multi-core / watt performance)
Performance / watt ratio
166 pts / W 1,051 pts / W
(Multi-core / global cost performance)
Performance / global cost ratio
30 pts / $ 7 pts / $
Note 4.5 / 5 4.2 / 5
Reviews 241 4,355
Amazon Intel Core i5-7400 Samsung Exynos 7 Octa 7870
New price on Amazon
$180 $450
Used price on Amazon
$150 $310
eBay Intel Core i5-7400 Samsung Exynos 7 Octa 7870
New price on eBay
$220 $190
Used price on eBay
$160 $100

Price: prices can change over time. For technical reasons, they are not updated in real time. This is only an average of the results on the first page of each product, whether new or used. Shipping costs have not been integrated. To know the final price of the product, please go to the form of the shop. If no price is indicated, it means that we did not find any offers during the last update.

We can better compare what are the technical differences between the two processors. The processor Samsung Exynos 7 Octa 7870 has a larger number of cores, the maximum frequency of Intel Core i5-7400 is greater, that the thermal dissipation power of Samsung Exynos 7 Octa 7870 is less. The Intel Core i5-7400 was designed earlier.

Ratios: we first consider the average for the new price if available, the average for the used price otherwise. Performance / global cost ratio: This is the ratio of performance on Geekbench 4, divided by the cost of the product + the cost of electricity over 5 years for a duration of use of 13 hours per day.

Performances :

Performance comparison between the two processors, for this we consider the results generated on benchmark software such as Geekbench 4.

On Android 64-bit:

Geekbench 4 - Multi-core & single core score - Android 64-bit
Intel Core i5-7400 2,855
Samsung Exynos 7 Octa 7870 684

In single core, the difference is 317%. In multi-core, the differential gap is 70%.

Geekbench 4 is a complete benchmark platform with several types of tests, including data compression, images, AES encryption, SQL encoding, HTML, PDF file rendering, matrix computation, Fast Fourier Transform, 3D object simulation, photo editing, memory testing. This allows us to better visualize the respective power of these devices. For each result, we took an average of 250 values on the famous benchmark software.


Intel Core i5-7400 AMD equivalentSamsung Exynos 7 Octa 7870 Intel equivalentSamsung Exynos 7 Octa 7870 AMD equivalent

Smartphones with the processor Samsung Exynos 7 Octa 7870:

Samsung Galaxy A2 CoreSamsung Galaxy A6 (2018)Samsung Galaxy J5 (2017)Samsung Galaxy J6Samsung Galaxy J7 PrimeSamsung Galaxy J7 ProSamsung Galaxy M10 © 2020 - Privacy policy
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