comparison between latest qualcomm processors

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            specs                                  snapdragon 845               snapdragon 835

                              

Modem Name	Qualcomm® Snapdragon™ X20 LTE modem	Qualcomm® Snapdragon™ X16 LTE modem

LTE Category	LTE Category 18 (downlink) LTE Category 13 (uplink)	LTE Category 16 (downlink) LTE Category 13 (uplink)

Downlink Features( a downlink is the link from a satellite down to one or more ground stations or receivers)	5x20 MHz carrier aggregation Up to 256-QAM Up to 4x4 MIMO on three carriers Maximum 12 spatial streams	4x20 MHz carrier aggregation Up to 256-QAM

Uplink Features (an uplink is the link from a ground station up to a satellite.)	Qualcomm® Snapdragon™ Upload+ 2x20 MHz carrier aggregation Up to 64-QAM Uplink data compression	Qualcomm® Snapdragon™ Upload+ 2x20 MHz carrier aggregation Up to 64-QAM

Peak Download Speed ( giga bytes per second)	1.2 Gbps	1 Gbps

Peak Upload Speed	150 Mbps	150 Mbps

RFFE ( RF front End)	Qualcomm® RF360™ front-end solution	Qualcomm® RF360™ front-end solution

Megapixel Support	Up to 16 MP dual camera Up to 32 MP single camera	Up to 16 MP dual camera Up to 32 MP single camera

Image Sensor Processor	Dual 14-bit ISPs Qualcomm Spectra™ 280 image signal processor	Qualcomm Spectra™ 180 image sensor processor 2x Image Sensor Processor (ISP) 14-bit Qualcomm® Clear Sight™ camera features

CPU Clock Speed	Up to 2.8 GHz	Up to 2.45 GHz

CPU Bit Architecture	64-bit	64-bit

GPU Name	Qualcomm® Adreno™ 630 GPU	Qualcomm® Adreno™ 540 GPU

Qualcomm® Quick Charge™ Support	Qualcomm® Quick Charge™ 4 technology	Qualcomm® Quick Charge™ 4 technology

             RATING                        9.5/10                           8.5/10