Product
Xiaomi Redmi 7
Xiaomi Redmi 7
Samsung Z4
Samsung Z4
Battery
Charging 10W wired -
Type Li-Po 4000 mAh, non-removable Li-Ion 2050 mAh, removable
Body
Build Glass front (Gorilla Glass 5), plastic back, plastic frame -
Dimensions 158.7 x 75.6 x 8.5 mm (6.25 x 2.98 x 0.33 in) 132.9 x 69.2 x 10.3 mm (5.23 x 2.72 x 0.41 in)
SIM Nano-SIM + Nano-SIM Single SIM (Micro-SIM) or Hybrid Dual SIM (Micro-SIM, dual stand-by)
Weight 180 g (6.35 oz) 143 g (5.04 oz)
Splash resistant -
Comms
Bluetooth 4.2, A2DP, LE, aptX HD 4.0, A2DP, LE
Infrared port Yes -
NFC No No
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS
Radio FM radio FM radio
USB microUSB 2.0, OTG microUSB 2.0, OTG
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 5 -
Resolution 720 x 1520 pixels, 19:9 ratio (~269 ppi density) 480 x 800 pixels, 5:3 ratio (~207 ppi density)
Size 6.26 inches, 97.8 cm2 (~81.5% screen-to-body ratio) 4.5 inches, 57.6 cm2 (~62.7% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass Accelerometer, proximity
Launch
Announced 2019, March 18. Released 2019, March 20 2017, May. Released 2017, June
Status Discontinued Discontinued
Main Camera
Features LED flash, HDR, panorama Dual-LED flash, panorama, HDR
Single 5 MP, f/2.2
Video 1080p@30/60fps 720p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 16GB 2GB RAM, 32GB 2GB RAM, 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM 8GB 1GB RAM
eMMC 5.1 -
Misc
Colors Lunar Red, Eclipse Black, Comet Blue Black, Gold
Models M1810F6LG, M1810F6LH, M1810F6LI SM-Z400F, SM-Z400Y
SAR -
SAR EU -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global HSDPA 900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 20, 38, 40 - Global LTE
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Technology GSM / CDMA / HSPA / LTE GSM / HSPA / LTE
1, 3, 5, 7, 8, 34, 38, 39, 40, 41 - China -
Our Tests
Performance AnTuTu: 102616 (v7) GeekBench: 4276 (v4.4) GFXBench: 7.7fps (ES 3.1 onscreen) -
Platform
Chipset Qualcomm SDM632 Snapdragon 632 (14 nm) -
CPU Octa-core (4x1.8 GHz Kryo 250 Gold & 4x1.8 GHz Kryo 250 Silver) Quad-core 1.5 GHz
GPU Adreno 506 -
OS Android 9.0 Pie, upgradable to Android 10, MIUI 12 Tizen 3.0
Selfie camera
Features HDR LED flash
Single 5 MP, f/2.2
Video 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes