Product
Vivo Y91 (Mediatek)
Vivo Y91 (Mediatek)
Honor 7X
Honor 7X
Battery
Stand-by - Up to 647 h (3G)
Talk time - Up to 21 h (3G)
Type 4030 mAh, non-removable Li-Ion 3340 mAh, non-removable
Body
Build - Glass front, aluminum back, aluminum frame
Dimensions 155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in) 156.5 x 75.3 x 7.6 mm (6.16 x 2.96 x 0.30 in)
SIM Nano-SIMNano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 163.5 g (5.78 oz) 165 g (5.82 oz)
Comms
Bluetooth 5.0, A2DP, LE 4.1, A2DP, EDR, LE
NFC No No
Positioning GPS, GLONASS, BDS GPS, GLONASS
Radio FM radio FM radio
USB microUSB 2.0, OTG microUSB 2.0
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Display
Resolution 720 x 1520 pixels, 19:9 ratio (~270 ppi density) 1080 x 2160 pixels, 18:9 ratio (~407 ppi density)
Size 6.22 inches, 96.6 cm2 (~82.9% screen-to-body ratio) 5.93 inches, 90.7 cm2 (~77.0% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass Fingerprint (rear-mounted), accelerometer, proximity, compass
Launch
Announced 2019, January. Released 2019, January 2017, December. Released 2017, December
Status Discontinued Discontinued
Main Camera
Dual 13 MP, f/2.2, PDAF 2 MP, f/2.4, (depth) 16 MP, f/2.2, 26mm (wide), 1/2.9", 1.25µm, PDAF 2 MP, (depth)
Features LED flash, panorama LED flash, HDR, panorama
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC microSDXC (uses shared SIM slot)
Internal 64GB 3GB RAM 32GB 3GB RAM, 32GB 4GB RAM, 64GB 4GB RAM, 128GB 4GB RAM
  eMMC 5.1 eMMC 5.1
Misc
Colors Starry Black, Ocean Blue Black, Blue, Gold, Red, Gray
Models - BND-AL10, BND-TL10, BND-L21, BND-L22, BND-L24, BND-L31, BND-L2, BND-L34, BND-AL00
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 5, 7, 8, 38, 40, 41 1, 3, 5, 7, 8, 20, 40
Speed HSPA 42.2/5.76 Mbps, LTE Cat5 150/75 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / LTE
Our Tests
Audio quality - Noise -89.5dB / Crosstalk -86.6dB
Battery (old) - Endurance rating 77h
Camera - Photo / Video
Display - Contrast ratio: 1941 (nominal), 2.734 (sunlight)
Loudspeaker - Voice 66dB / Noise 71dB / Ring 85dB
Performance - AnTuTu: 67636 (v7) GeekBench: 3535 (v4.4) GFXBench: 2.8fps (ES 3.1 onscreen)
Platform
Chipset Mediatek MT6762 Helio P22 (12 nm) Kirin 659 (16 nm)
CPU Octa-core 2.0 GHz Cortex-A53 Octa-core (4x2.36 GHz Cortex-A53 & 4x1.7 GHz Cortex-A53)
GPU PowerVR GE8320 Mali-T830 MP2
OS Android 8.1 (Oreo), Funtouch 4.5 Android 7.0 (Nougat), upgradable to Android 8.0 (Oreo), EMUI 5.1
Selfie camera
Single 8 MP, f/1.8 8 MP, f/2.0, 27mm (wide)
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes