Product
Vivo Y91 (Mediatek)
Vivo Y91 (Mediatek)
₹12,271
Google Pixel 4a
Google Pixel 4a
₹12,877
Battery
Charging - 18W wired, PD2.0
Type 4030 mAh, non-removable Li-Po 3140 mAh
Body
Build - Glass front (Gorilla Glass 3), plastic back, plastic frame
Dimensions 155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in) 144 x 69.4 x 8.2 mm (5.67 x 2.73 x 0.32 in)
SIM Nano-SIMNano-SIM + Nano-SIM Nano-SIM + eSIM
Weight 163.5 g (5.78 oz) 143 g (5.04 oz)
Comms
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE, aptX HD
NFC No Yes
Positioning GPS, GLONASS, BDS GPS, GLONASS, GALILEO, QZSS, BDS
Radio FM radio No
USB microUSB 2.0, OTG USB Type-C 3.1
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
Display
Protection - Corning Gorilla Glass 3
Resolution 720 x 1520 pixels, 19:9 ratio (~270 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~443 ppi density)
Size 6.22 inches, 96.6 cm2 (~82.9% screen-to-body ratio) 5.81 inches, 83.2 cm2 (~83.3% screen-to-body ratio)
Type IPS LCD OLED, HDR
Features
Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer
Launch
Announced 2019, January. Released 2019, January 2020, August 03
Status Discontinued Available. Released 2020, August 20
Main Camera
Dual 13 MP, f/2.2, PDAF 2 MP, f/2.4, (depth) -
Features LED flash, panorama LED flash, Pixel Shift, Auto-HDR, panorama
Single - 12.2 MP, f/1.7, 27mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS
Video 1080p@30fps 4K@30fps, 1080p@30/60/120fps; gyro-EIS
Memory
Card slot microSDXC No
Internal 64GB 3GB RAM 128GB 6GB RAM
  eMMC 5.1 UFS 2.1
Misc
Colors Starry Black, Ocean Blue Just Black, Barely Blue
Models - G025J, GA02099, G025N
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 5, 7, 8, 38, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 71
Speed HSPA 42.2/5.76 Mbps, LTE Cat5 150/75 Mbps HSPA 42.2/5.76 Mbps, LTE (3CA) Cat12 600/75 Mbps
Technology GSM / HSPA / LTE GSM / HSPA / LTE
Platform
Chipset Mediatek MT6762 Helio P22 (12 nm) Qualcomm SDM730 Snapdragon 730G (8 nm)
CPU Octa-core 2.0 GHz Cortex-A53 Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
GPU PowerVR GE8320 Adreno 618
OS Android 8.1 (Oreo), Funtouch 4.5 Android 10, upgradable to Android 13
Selfie camera
Features - HDR
Single 8 MP, f/1.8 8 MP, f/2.0, 24mm (wide), 1.12µm
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes, with stereo speakers
Tests
Battery (old) - Endurance rating 76h
Display - 803 nits max brightness (measured)
Performance - AnTuTu: 268714 (v8)GeekBench: 6426 (v4.4), 1626 (v5.1)GFXBench: 17fps (ES 3.1 onscreen)
Offers See on Amazon See on Amazon