Xiaomi Redmi K20 Pro/Mi 9T Pro review
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Technology GSM / HSPA / EVDO / LTE GSM / HSPA / LTE GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - H3213, H4213, H4233 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - H3123
CDMA2000 1xEV-DO - Hong Kong, Taiwan HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - H3223 HSDPA 850 / 900 / 1900 / 2100 - H3113, H3133, H4113, H4133
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300), 41(2500) - EMEA & APAC LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600) - H3213, H4213 LTE band 1(2100), 2(1900), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 25(1900), 28(700), 29(700), 66(1700/2100) - H3123
LTE band 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 12(700), 17(700), 20(800), 28(700), 38(2600) - LATAM LTE band 1(2100), 2(1900), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 25(1900), 28(700), 29(700), 66(1700/2100) - H3223 LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600) - H3113, H4113
LTE band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - Hong Kong, Taiwan LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - H4233 LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - H3133, H4133
Speed HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat13 600/150 Mbps HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat13 600/150 Mbps
Announced 2018, January 2018, January 2018, January
Status Available. Released 2018, April Available. Released 2018, February Available. Released 2018, February
Dimensions 148.8 x 75.8 x 8.2 mm (5.86 x 2.98 x 0.32 in) 163 x 80 x 9.5 mm (6.42 x 3.15 x 0.37 in) 142 x 70 x 9.7 mm (5.59 x 2.76 x 0.38 in)
Weight 172 g (6.07 oz) 221 g (7.80 oz) 171 g (6.03 oz)
Build Glass front (Gorilla Glass 3), aluminum back, aluminum frame (6000 series) Glass front (Gorilla Glass 4), plastic back, aluminum frame Glass front (Gorilla Glass 4), plastic back, aluminum frame
SIM Hybrid Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
Type IPS LCD capacitive touchscreen, 16M colors IPS LCD capacitive touchscreen, 16M colors IPS LCD capacitive touchscreen, 16M colors
Size 5.5 inches, 82.6 cm2 (~73.2% screen-to-body ratio) 6.0 inches, 99.2 cm2 (~76.1% screen-to-body ratio) 5.2 inches, 74.5 cm2 (~75.0% screen-to-body ratio)
Resolution 1080 x 1920 pixels, 16:9 ratio (~403 ppi density) 1080 x 1920 pixels, 16:9 ratio (~367 ppi density) 1080 x 1920 pixels, 16:9 ratio (~424 ppi density)
Protection Corning Gorilla Glass 3 Corning Gorilla Glass 4 Corning Gorilla Glass 4
OS Android 8.1 (Oreo), upgradable to Android 10.0; Android One Android 8.0 (Oreo) Android 8.0 (Oreo)
Chipset Qualcomm SDM630 Snapdragon 630 (14 nm) Qualcomm SDM630 Snapdragon 630 (14 nm) Qualcomm SDM630 Snapdragon 630 (14 nm)
CPU Octa-core 2.2 GHz Cortex-A53 Octa-core 2.2 GHz Cortex-A53 Octa-core 2.2 GHz Cortex-A53
GPU Adreno 508 Adreno 508 Adreno 508
Card slot microSD, up to 256 GB (uses shared SIM slot) microSD, up to 256 GB (dedicated slot) microSD, up to 256 GB (uses shared SIM slot)
Internal 32GB 3GB RAM, 32GB 4GB RAM, 64GB 4GB RAM 32GB 4GB RAM, 64GB 4GB RAM 32GB 3GB RAM
Modules 16 MP, f/2.0, 27mm (wide), 1.0µm, PDAF 23 MP, f/2.0, 24mm (wide), 1/2.3", PDAF 23 MP, f/2.0, 24mm (wide), 1/2.3", PDAF
Features Zeiss optics, dual-LED dual-tone flash, panorama, HDR LED flash, HDR, panorama LED flash, HDR, panorama
Video 2160p@30fps, 1080p@30fps 2160p@30fps, 1080p@30fps, stereo sound rec., HDR 2160p@30fps, 1080p@30fps, stereo sound rec., HDR
Modules 8 MP, f/2.0, 1/4", 1.12µm 16 MP, f/2.0, 23mm (wide), 1/2.6", OIS, AF
8 MP, f/2.4, 1/4" 8 MP, f/2.4, 1/4"
Video 1080p@30fps 1080p@30ps 1080p@30fps
Loudspeaker Yes Yes Yes
3.5mm jack Yes Yes Yes
Active noise cancellation with dedicated mic 24-bit/192kHz audio
WLAN Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot
Bluetooth 5.0, A2DP, LE 5.0, A2DP, aptX HD, LE 5.0, A2DP, aptX HD, LE
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
NFC Yes Yes Yes
Infrared port No No No
Radio FM radio with RDS FM radio FM radio
USB 2.0, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector; USB On-The-Go 2.0, Type-C 1.0 reversible connector; USB On-The-Go
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, proximity, compass Fingerprint (rear-mounted), accelerometer, proximity, compass
Non-removable Li-Ion 3000 mAh battery Non-removable Li-Ion 3580 mAh battery Non-removable Li-Ion 3300 mAh battery
Charging Fast battery charging 18W: 50% in 30 min Fast battery charging 18W (Quick Charge 3.0) Fast battery charging 18W (Quick Charge 3.0)
Music play Up to 119 h
Colors Black/Copper, White/Iron, Blue/Gold Silver, Black, Blue, Gold Silver, Black, Blue, Pink
Price $ 126.99 / £ 100.00 / € 199.99 / ₹ 6,499 About 260 EUR About 200 EUR
Basemark X: 14365 Basemark OS II: 1677 / Basemark OS II 2.0: 1548
Display Contrast ratio: 1278:1 (nominal), 4.052 (sunlight) Contrast ratio: 1562:1 (nominal), 3.445 (sunlight) Contrast ratio: 1327:1 (nominal), 2.938 (sunlight)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker Voice 67dB, noise 74dB, ring 85dB Voice 68dB, noise 73dB, ring 80dB Voice 68dB, noise 72dB, ring 78dB
Audio quality Noise -37.5dB / Crosstalk -93.3dB Noise -67.7dB / Crosstalk -92.7dB Noise -92.8dB / Crosstalk -87.8dB
Battery life 76h endurance rating 100h endurance rating 92h endurance rating