There are lots companies competing in the midrange tier and we are going to look two rather popular SoCs in this segment. The Snapdragon 665 (SD665) found on Xiaomi’s Redmi Note 8 and the Mediatek’s Helio G70 on the Infinix Note 7.
So lets go…
The SD665 is an octacore SoC with a 4+4 big.LITTLE arrangement. They are 4 Kryo 260 gold (Cortex A73) core clocked at 2.0GHz and 4 Kryo 260 silver (Cortex A53) cores clocked at 1.8GHz. In comparison, the G70 has a big.LITTLE arrangement of 2+6 with 2 Cortex A75 IP cores running at 2.0GHz and 6 Cortex A55 cores running at 1.7GHz.
*The G70 obviously has better CPU cores at this point regardless of the clock speed.
Instruction Set Architecture
They are both built on the now dated ARMv8-A instruction set, so that is a tie.
The SD665 is built on a size of 11nm while the G70 is built on a 12nm.
*The SD665 is going to be cooler, conserve battery better and should be slightly more efficient.
The SD665 ships with the Adreno 610 which runs at a speed of 850MHz while the G70 comes with the slightly better Mali G52 MC2 which runs at 820MHz. This is a hard one to call because while the G70 has the better GPU, developers of games design games better for the Adreno GPUs.
The SD665 comes with an LPDDR4x RAM module with a maximum space of 8GB. This RAM runs at 1866MHz. The G70 also uses the same LPDDR4x but it runs at a lesser speed of 1800MHz.
*SD665 takes this one. Multitasking and app switching would be better on the SD665.
The SD665 supports both eMMC 5.1 and UFS 2.1. The G70 only supports eMMC 5.1.
*Point goes to the SD665 because it has more storage options.
The SD665 has the Spectra 165 for image processing and the Hexagon DSP 686 for machine learning on board. It can handle camera resolutions of up to 48 megapixels and 4k video at 30 frames per second. On the other hand, Mediatek are unclear about the type of ISP that is used in the G70. What we do know is that it has some sort of Neural engine on board, handles camera resolutions of 48mp and can only handle 2k video at 30fps. Both the SD665 and G70 have a maximum display resolution of 1080p (Full High Definition).
*SD665 is definitely head and shoulders above the G70 here, especially in terms of handling video.
The SD665 comes with the Snapdragon X12 modem rated at cat.12. This modem has uplink speeds of 150Mbps and downlink speeds of 600Mbps. The G70 has a generic modem which Mediatek also failed to name and it is only rated at cat.7. It has uplink speeds of 100Mbps and downlink speeds of 300Mbps.
Both of these support Bluetooth 5.0 and Wifi 5.0. They also both support GPS and other peripherals like Gyroscopes and Accelerometers.
*For this one, the SD665 wins.
Benchmarks only rate CPU and GPU core performance. With Geekbench, it is a bit of a mixed bag as G70 has a better single core performance while the SD665 has a better multicore performance. With Antutu though, there was no such thing as the G70 was way ahead of the SD665.
*The G70 takes this one.
If all you care about is processor performance, you should most likely go for the G70. But if you care about how photos would look like on your device, how high resolution videos would play, faster multitasking, storage options and network performance etc. The SD665 is without any doubt, the SoC to go for.
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