Product
Xiaomi Redmi 1S
Xiaomi Redmi 1S
₹5,999
Samsung Z2
Samsung Z2
₹4,790
Battery
Music play - Up to 30 h
Talk time - Up to 8 h (3G)
Type Li-Ion 2000 mAh, removable Li-Ion 1500 mAh, removable
Body
Build Glass front (Asahi Dragontrail), plastic back, plastic frame Glass front, plastic back, plastic frame
Dimensions 137 x 69 x 9.9 mm (5.39 x 2.72 x 0.39 in) 121.5 x 63 x 10.8 mm (4.78 x 2.48 x 0.43 in)
SIM Dual SIM (Mini-SIM, dual stand-by) Dual SIM (Micro-SIM, dual stand-by)
Weight 158 g (5.57 oz) 127 g (4.48 oz)
Comms
Bluetooth 4.0, A2DP, LE 4.0, A2DP
NFC No No
Positioning GPS, GLONASS 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, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Display
Protection Asahi Dragontrail Glass -
Resolution 720 x 1280 pixels, 16:9 ratio (~312 ppi density) 480 x 800 pixels, 5:3 ratio (~233 ppi density)
Size 4.7 inches, 60.9 cm2 (~64.4% screen-to-body ratio) 4.0 inches, 45.5 cm2 (~59.5% screen-to-body ratio)
Type IPS LCD TFT, 256K colors
Features
Sensors Accelerometer, gyro, proximity, compass Accelerometer
Launch
Announced 2014, May. Released 2014, May 2016, August. Released 2016, August
Status Discontinued Discontinued
Main Camera
Features LED flash, HDR LED flash
Single 8 MP, f/2.2, 1/3.2", 1.4µm, AF 5 MP, f/2.2
Video 1080p@30fps 720p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 8GB 1GB RAM 8GB 1GB RAM
  eMMC 4.5 -
Misc
Colors Black, Chinese Red, Metallic Gray/ blue, green, yellow panels Gold, Black, Red
Models 2014011 SM-Z200F/DD, SM-Z200F, SM-Z200Y
SAR - 0.81 W/kg (head)    
SAR EU - 0.58 W/kg (head)     1.30 W/kg (body)    
Network
2G bands GSM 900 / 1800 / 1900 GSM 900 / 1800 - SIM 1 & SIM 2
3G bands HSDPA 900 / 2100 HSDPA 900 / 2100
4G bands - 1, 3, 5, 8, 40
Speed HSPA HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Technology GSM / HSPA GSM / HSPA / LTE
Our Tests
Audio quality Noise -95.4dB / Crosstalk -82.3dB -
Battery (old) Endurance rating 51h -
Camera Photo / Video -
Display Contrast ratio: 1370 (nominal), 1.350 (sunlight) -
Loudspeaker Voice 66dB / Noise 65dB / Ring 71dB -
Performance Basemark OS II 2.0: 454 -
Platform
Chipset Qualcomm MSM8228 Snapdragon 400 (28 nm) Spreadtrum SC9830
CPU Quad-core 1.6 GHz Cortex-A7 Quad-core 1.5 GHz Cortex-A7
GPU Adreno 305 Mali-400MP2
OS Android 4.3 (Jelly Bean), upgradable to 4.4.4 (KitKat), MIUI 9.2 Tizen 2.4
Selfie camera
Single 1.6 MP VGA, f/2.4
Video 720p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
Offers No offers available No offers available