Compare 6 products

	Apple iPhone 6	HTC One VX	Oppo A51	Samsung Galaxy A51	Samsung Galaxy S5	Xiaomi Redmi Note 9 Pro

Hardware
Operating system	Apple iOS 11	Android 4.0	Android 5.1	Google Android	Android 4.4	Android 10
CPU clock speed	1.4 GHz	1.2 GHz	1.2 GHz	2.3 GHz	2.5 GHz	2.3 GHz
CPU cores	Dual-core	Dual-core	Quad-core	8-core	Quad-core	8-core
CPU model	Apple A8	Qualcomm Snapdragon 400 MSM8930	Qualcomm Snapdragon 410 MSM8916	Samsung Exynos 9611	Qualcomm Snapdragon 801 MSM8974AC v3	Qualcomm Snapdragon 720G
GPU model	PowerVR GX6650	Qualcomm Adreno 305	Qualcomm Adreno 306	N/A	Qualcomm Adreno 330	N/A
RAM memory	1 GB	1 GB	2 GB	4 GB	2 GB	6 GB

Display
Screen size	4.7 in	4.5 in	5.0 in	6.5 in	5.1 in	6.67 in
Number of colors	16.7M	N/A	16.7M	16.7M	16.7M	16.7M
Panel type	LCD	N/A	LCD	OLED	OLED	N/A
Resolution	1334 x 750 px	960 x 540 px	1280 x 720 px	2400 x 1080 px	1920 x 1080 px	2400 x 1080 px
Technology	IPS TFT Retina HD display with IPS technology	Super LCD	IPS LCD	Super AMOLED	AMOLED Super AMOLED	IPS
Pixel density	326.0 ppi	245.0 ppi	294.0 ppi	408.0 ppi	432.0 ppi	N/A
Screen material	Fingerprint-resistant coating	N/A	N/A	Corning Gorilla Glass	Corning Gorilla Glass 3.0	Corning Gorilla Glass 5.0
Multi touch	N/A	yes	yes	N/A	yes	N/A
Touchscreen	N/A	N/A	N/A	N/A	yes	N/A
Dual screen support	N/A	N/A	N/A	N/A	yes	N/A
Scratch resistant display	N/A	N/A	N/A	N/A	yes	N/A
HDR	N/A	N/A	N/A	N/A	no	N/A

Rear camera
Primary sensor size	1/3"	N/A	N/A	N/A	1/2.6"	1/1.72"
Primary sensor resolution	8.0 Mpx	5.0 Mpx	8.0 Mpx	48.0 Mpx	16.0 Mpx	64.0 Mpx
Primary lens aperture	2.2 f	2.0 f	N/A	N/A	2.2 f	N/A
Focus adjustment	Automatic	N/A	N/A	Automatic	N/A	Automatic
Highest video resolution	1920 x 1080 px	1920 x 1080 px	1920 x 1080 px	N/A	4096 x 2160 px	N/A
Maximum FPS at the highest resolution	60.0 fps	N/A	N/A	N/A	30.0 fps	N/A
Maximum FPS (regardless of res.)	240.0 fps	N/A	N/A	N/A	60.0 fps	N/A
Max resolution (highest frame rate)	1280 x 720 px	N/A	N/A	N/A	1920 x 1080 px	N/A
Autofocus	N/A	yes	yes	N/A	yes	N/A
Digital zoom	N/A	yes	yes	N/A	yes	N/A
Face detection	Face recognition	yes	N/A	N/A	N/A	Face recognition
Geo-tagging	N/A	yes	yes	N/A	yes	N/A
HDR Capture	N/A	yes	N/A	N/A	yes	N/A
LED Flash	N/A	yes	yes	N/A	yes	N/A
Touch focus	N/A	yes	N/A	N/A	yes	N/A
Resolution (second camera)	N/A	N/A	N/A	12.0 Mpx	N/A	8.0 Mpx
Resolution (third camera)	N/A	N/A	N/A	5.0 Mpx	N/A	5.0 Mpx
Resolution (fourth camera)	N/A	N/A	N/A	5.0 Mpx	N/A	2.0 Mpx
Lens aperture (second camera)	N/A	N/A	N/A	F/2.2	N/A	F/2.2
Lens aperture (third camera)	N/A	N/A	N/A	F/2.4	N/A	F/2.4
Lens aperture (fourth camera)	N/A	N/A	N/A	F/2.2	N/A	F/2.4
Field of View (FoV) (second camera)	N/A	N/A	N/A	123.0 °	N/A	119.0 °
Video recording	N/A	N/A	N/A	N/A	yes	N/A
Burst Mode	N/A	N/A	N/A	N/A	yes	N/A
Digital Image Stabilization	N/A	N/A	N/A	N/A	yes	N/A
Panorama	N/A	N/A	N/A	N/A	yes	N/A
Slow-Mo	N/A	N/A	N/A	N/A	yes	N/A
Sensor size (second camera)	N/A	N/A	N/A	N/A	N/A	1/4"
Primary Field of View (FoV)	N/A	N/A	N/A	N/A	N/A	79.8 °

Front camera
Primary resolution	1.2 Mpx	0.3 Mpx	5.0 Mpx	32.0 Mpx	2.1 Mpx	16.0 Mpx
Face detection	Face recognition	yes	N/A	N/A	N/A	Face recognition
Lens aperture	F/2.2	N/A	N/A	F/2.0	N/A	F/2.48
Focus adjustment	Automatic	N/A	N/A	Automatic	N/A	Automatic
Primary sensor size	1/3"	N/A	N/A	N/A	1/2.6"	1/1.72"
Primary Field of View (FoV)	N/A	N/A	N/A	N/A	N/A	79.8 °
Light source	N/A	N/A	N/A	N/A	N/A	Display flash

Dimensions
Height	5.44 in	5.26 in	5.65 in	6.24 in	5.59 in	6.53 in
Width	2.64 in	2.66 in	2.8 in	2.9 in	2.85 in	3.04 in
Depth	0.27 in	0.36 in	0.3 in	0.31 in	0.32 in	0.35 in
Weight	4.55 oz	4.41 oz	5.64 oz	6.07 oz	5.11 oz	7.37 oz

Connectivity
Sim card size	Nano-SIM	Mini-SIM	Micro-SIM	Nano SIM Nano-SIM	Micro-SIM	Nano-SIM
Bluetooth version	4.0	4.0	4.0	5.0 LE	4.0	5.0
Bluetooth profile	A2DP AVRCP	N/A	N/A	HFP HSP OPP PAN A2DP AVRCP HID SAP PBAP MAP HOGP	A2DP AVRCP	HFP HSP
Charging connection	HDMI Lightning	N/A	N/A	USB	USB	USB
Headphone connection	3.5 mm	3.5 mm	3.5 mm	3.5 mm	3.5 mm	3.5 mm
Video output	Manufacturer specific	N/A	N/A	N/A	MHL	N/A
DLNA certified	N/A	yes	N/A	N/A	yes	N/A
Bluetooth	N/A	yes	yes	yes	yes	yes
NFC	N/A	yes	N/A	yes	yes	yes
Type of USB connector	N/A	Micro-USB	Micro-USB	USB Type-C	N/A	USB Type-C
Dual sim support	N/A	N/A	yes	yes	no	yes
Bluetooth codec	N/A	N/A	N/A	N/A	SBC aptX	N/A
USB version	N/A	N/A	N/A	N/A	3.0/3.1	N/A
USB On-The-Go (OTG)	N/A	N/A	N/A	N/A	yes	N/A

Cellular
Wireless networking standard	802.11a 802.11ac 802.11b 802.11g 802.11n	N/A	N/A	N/A	802.11a 802.11ac 802.11b 802.11g 802.11n	N/A
Data transmission	DC-HSDPA EDGE EV-DO FDD-LTE GPRS HSDPA HSPA+ HSUPA LTE TDD-LTE VoLTE	HSPA+	HSPA+	EDGE FDD-LTE GPRS HSDPA HSPA+ HSUPA TDD-LTE VoLTE VoWiFi	HSPA+	GPRS EDGE HSDPA HSUPA HSPA+ VoLTE FDD-LTE TDD-LTE
Navigation system	A-GPS GLONASS	GPS	GPS	GPS GLONASS BeiDou Galileo	GLONASS	GPS A-GPS GLONASS BeiDou Galileo
GSM frequencies	1800 MHz 1900 MHz 850 MHz 900 MHz	850 MHz 900 MHz 1800 MHz 1900 MHz	900 MHz 1800 MHz 1900 MHz	1800 MHz 1900 MHz 850 MHz 900 MHz	700 MHz 800 MHz 850 MHz 900 MHz 1700 MHz 1800 MHz 1900 MHz 2000 MHz 2100 MHz 2600 MHz Regional	1900 MHz 2100 MHz 850 MHz 900 MHz
UMTS frequences	850 MHz 900 MHz 1700 MHz 1900 MHz 2100 MHz	700 MHz 1700 MHz 2100 MHz	N/A	1700 MHz 1900 MHz 2100 MHz 850 MHz 900 MHz	700 MHz 800 MHz 850 MHz 900 MHz 1700 MHz 1800 MHz 1900 MHz 2000 MHz 2100 MHz 2600 MHz Regional	1700 MHz 1900 MHz 2100 MHz 850 MHz 900 MHz
CDMA frequences	800 MHz 1700 MHz 1900 MHz 2000 MHz 2100 MHz	N/A	1900 MHz 2000 MHz	N/A	700 MHz 800 MHz 850 MHz 900 MHz 1700 MHz 1800 MHz 1900 MHz 2000 MHz 2100 MHz 2600 MHz Regional	N/A
LTE frequencies	700 MHz 800 MHz 850 MHz 900 MHz 1700 MHz 1800 MHz 1900 MHz 2100 MHz 2600 MHz	700 MHz 1700 MHz 2100 MHz	1900 MHz 2600 MHz	N/A	700 MHz 800 MHz 850 MHz 900 MHz 1700 MHz 1800 MHz 1900 MHz 2000 MHz 2100 MHz 2600 MHz Regional	N/A
Wireless network (Wi-Fi)	N/A	yes	yes	N/A	yes	N/A
2G GSM	N/A	yes	yes	N/A	yes	N/A
4G LTE	N/A	yes	yes	N/A	yes	N/A
Mobile hotspot	N/A	yes	yes	N/A	yes	N/A
3G UMTS	N/A	N/A	N/A	N/A	yes	N/A
Streaming standards	N/A	N/A	N/A	N/A	Miracast	N/A

Battery
Battery type	Lithium Polymer	Lithium ion	Lithium ion	Lithium ion	Lithium ion	Lithium Polymer
Battery capacity	1810.0 mAh	1800.0 mAh	2420.0 mAh	4000.0 mAh	2800.0 mAh	5020.0 mAh
Standby time	250.0 h	275.0 h	N/A	N/A	390.0 h	428.0 h
Talk time	14.0 h	9.0 h	N/A	32.0 h	21.0 h	33.0 h
Replaceable battery	N/A	N/A	N/A	N/A	yes	N/A
Fast charging	N/A	N/A	N/A	N/A	yes	N/A
Wireless charging	N/A	N/A	N/A	N/A	yes	N/A
Wireless charging standard	N/A	N/A	N/A	N/A	PMA QI	N/A