Product
Xiaomi Redmi K40
Xiaomi Redmi K40
₹27,948
Samsung Galaxy J7 V
Samsung Galaxy J7 V
₹20,961
Battery
Charging 33W wired, PD3.0, QC3, 100% in 52 min -
Music play - Up to 156 h
Stand-by - Up to 288 h (3G)
Talk time - Up to 40 h (3G)
Type Li-Po 4520 mAh Li-Ion 3300 mAh, removable
Body
Build - Glass front, plastic back, plastic frame
Dimensions 163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in) 151.4 x 76.2 x 8.6 mm (5.96 x 3.00 x 0.34 in)
SIM Nano-SIM + Nano-SIM Nano-SIM
Weight 196 g (6.91 oz) 167.3 g (5.89 oz)
Comms
Bluetooth 5.1, A2DP, LE 4.2, A2DP, LE
Infrared port Yes -
NFC Yes No
Positioning GPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC GPS, GLONASS
Radio No No
USB USB Type-C 2.0, OTG microUSB 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 5 -
Resolution 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) 720 x 1280 pixels, 16:9 ratio (~267 ppi density)
Size 6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~72.3% screen-to-body ratio)
Type Super AMOLED, 120Hz, HDR10+, 1300 nits (peak) IPS LCD
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Accelerometer, gyro, proximity, compass
  - ANT+
Launch
Announced 2021, February 25 2017, March. Released 2017, March
Status Available. Released 2021, March 04 Discontinued
Main Camera
Features Color spectrum sensor, LED flash, HDR, panorama LED flash, panorama, HDR
Single - 8 MP, AF
Triple 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide) 5 MP, f/2.4, 50mm (macro), 1/5.0", 1.12µm -
Video 4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS 1080p@30fps
Memory
Card slot No microSDXC (dedicated slot)
Internal 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM 16GB 2GB RAM
  UFS 3.1 eMMC 5.1
Misc
Colors Black, White, Aurora Gray (Verizon), Black (Sprint)
Models M2012K11AC SM-J727V, SM-J727P, SM-J727T, SM-J727F, SM-J727U, SM-J727S, SM-J727VPP, SM-J727AZ, SM-S727VL, SM-J727R4, SM-J727A
SAR - 1.24 W/kg (head)     1.58 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42 2, 3, 4, 5, 7, 13
5G bands 1, 3, 28, 41, 77, 78 SA/NSA/Sub6 -
Speed HSPA, LTE, 5G HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps
Technology GSM / CDMA / HSPA / CDMA2000 / LTE / 5G GSM / CDMA / HSPA / EVDO / LTE
  CDMA2000 1x CDMA2000 1xEV-DO
Platform
Chipset Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) Qualcomm MSM8953 Snapdragon 625 (14 nm)
CPU Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) Octa-core 2.2 GHz Cortex-A53
GPU Adreno 650 Adreno 506
OS Android 11, MIUI 12 Android 7.0.1 (Nougat)
Selfie camera
Features HDR -
Single 20 MP, f/2.5, (wide), 1/3.4", 0.8µm 5 MP
Video 1080p@30fps, 720p@120fps 1080p@30fps
Sound
3.5mm jack No Yes
Loudspeaker Yes, with stereo speakers Yes
  24-bit/192kHz Hi-Res audio -
Offers No offers available No offers available