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Samsung Galaxy Axiom R830

Xiaomi Mi 4i

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Samsung Galaxy Axiom R830
MORE PICTURES Xiaomi Mi 4i
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Samsung Galaxy Axiom R830

Xiaomi Mi 4i

Network
Technology CDMA / EVDO / LTE GSM / HSPA / LTE
2G bands CDMA 800 / 1700 / 1900 / 2100 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network CDMA2000 1xEV-DO HSDPA 850 / 1900 / 2100
  TD-SCDMA
4G Network 2, 4, 5, 12 3, 7, 38, 39, 40, 41
Speed EV-DO Rev.A 3.1 Mbps, LTE HSPA, LTE Cat4 150/50 Mbps
Launch
Announced 2012, November. Released 2012, November 2015, April. Released 2015, April
Status Discontinued Discontinued
Body
Dimensions 121.7 x 63.8 x 11.9 mm (4.79 x 2.51 x 0.47 in) 138.1 x 69.6 x 7.8 mm (5.44 x 2.74 x 0.31 in)
Weight 136.1 g (4.80 oz) 130 g (4.59 oz)
Build Glass front (Gorilla Glass), plastic back, plastic frame
SIM Mini-SIM Dual SIM (Micro-SIM, dual stand-by)
Display
Type TFT IPS LCD
Size 4.0 inches, 45.5 cm2 (~58.7% screen-to-body ratio) 5.0 inches, 68.9 cm2 (~71.7% screen-to-body ratio)
Resolution 480 x 800 pixels, 5:3 ratio (~233 ppi density) 1080 x 1920 pixels, 16:9 ratio (~441 ppi density)
Protection Corning scratch-resistant glass
Platform
OS Android 4.0.4 (Ice Cream Sandwich) Android 5.0.2 (Lollipop), MIUI 8.2
Chipset Qualcomm MSM8939 Snapdragon 615 (28 nm)
CPU Dual-core 1.2 GHz Krait Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU Adreno 405
Memory
Card slot microSDHC (dedicated slot) No
Internal 4GB 1GB RAM 16GB 2GB RAM, 32GB 2GB RAM
  eMMC 4.5
Main Camera
Modules 5 MP, AF 13 MP, f/2.0, AF
Features LED flash Dual-LED dual-tone flash, panorama, HDR
Video 720p 1080p@30fps, 480p@120fps
Selfie Camera
Modules 1.3 MP 5 MP, f/1.8
Video
ADVERTISEMENT
Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
Comms
WLAN Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth 4.0, A2DP 4.1, A2DP
Positioning GPS GPS, GLONASS, BDS
NFC Yes No
Infrared port No No
Radio No Stereo FM radio
USB microUSB 2.0 microUSB 2.0, OTG
Features
Sensors Accelerometer, proximity Accelerometer, gyro, proximity, compass
Battery
Type Li-Ion 2100 mAh, removable Li-Ion 3120 mAh, non-removable
Charging 10W wired, QC1
Stand-by Up to 252 h
Talk time Up to 8 h Up to 35 h (3G)
Misc
Colors Blue Dark Gray, Black, White, Yellow, Blue, Pink
SAR 0.69 W/kg (head)     1.28 W/kg (body)     0.51 W/kg (head)     0.60 W/kg (body)    
Models 2015015
Price About 150 EUR About 260 EUR
Tests
Performance Basemark X: 4875
Display Contrast ratio: 1055:1 (nominal), 2.641 (sunlight)
Loudspeaker Voice 63dB / Noise 65dB / Ring 68dB
Battery (old) Endurance rating 67h

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