Product
Xiaomi Mi A2 (Mi 6X)
Xiaomi Mi A2 (Mi 6X)
Xiaomi Redmi Note 8T
Xiaomi Redmi Note 8T
Battery
Charging 18W wired, QC3 (Global) 18W wired, QC4 (India) 18W wired
Type Li-Po 3000 mAh, non-removable Li-Po 4000 mAh, non-removable
Body
Build Glass front, aluminum back, aluminum frame Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
Dimensions 158.7 x 75.4 x 7.3 mm (6.25 x 2.97 x 0.29 in) 161.1 x 75.4 x 8.6 mm (6.34 x 2.97 x 0.34 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 166 g (5.86 oz) 200 g (7.05 oz)
Comms
Bluetooth 5.0, A2DP, LE 4.2, A2DP, LE
Infrared port Yes Yes
NFC No Yes
Positioning GPS, GLONASS, BDS GPS, GLONASS, BDS
Radio No FM radio
USB USB Type-C 2.0 USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, 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 2160 pixels, 18:9 ratio (~403 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
Size 5.99 inches, 92.6 cm2 (~77.4% screen-to-body ratio) 6.3 inches, 97.4 cm2 (~80.2% screen-to-body ratio)
Type IPS LCD IPS LCD
Features
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2018, July 24. Released 2018, July 2019, November 06. Released 2019, November 08
Status Discontinued Discontinued
Main Camera
Dual 12 MP, f/1.8, 1/2.9", 1.25µm 20 MP, f/1.8, 1/2.8", 1.0µm, PDAF -
Features Dual-LED flash, HDR, panorama LED flash, HDR, panorama
Quad - 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth)
Video 4K@30fps, 1080p@30fps (gyro-EIS), 720p@120fps 4K@30fps, 1080p@30/60/120fps; gyro-EIS
Memory
Card slot No microSDXC (dedicated slot)
Internal 32GB 4GB RAM, 64GB 4GB RAM, 128GB 6GB RAM 32GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM
  eMMC 5.1 eMMC
Misc
Colors Black, Gold, Blue, Red, Rose Gold Starscape Blue, Moonlight White, Moonshadow Grey
Models M1804D2SG, M1804D2SI, Mi A2, Mi 6X M1908C3XG
SAR 0.96 W/kg (head)     0.64 W/kg (body)     1.02 W/kg (head)     1.18 W/kg (body)    
SAR EU 1.16 W/kg (head)     0.66 W/kg (body)     0.74 W/kg (head)     1.30 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 - Global HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 20, 38, 40 - Global 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40
Speed HSPA 42.2/5.76 Mbps, LTE (3CA) Cat12 600/150 Mbps HSPA 42.2/5.76 Mbps, LTE (4CA) Cat12 600/50 Mbps
Technology GSM / CDMA / HSPA / LTE GSM / HSPA / LTE
  1, 3, 5, 7, 8, 34, 38, 39, 40, 41 - China -
Our Tests
Audio quality - Noise -93.9dB / Crosstalk -93.7dB
Battery (old) Endurance rating 73h Endurance rating 108h
Camera Photo / Video Photo / Video
Display - 1360:1 contrast ratio, 450 nits max brightness (measured)
Loudspeaker Voice 89dB / Noise 72dB / Ring 89dB Voice 78dB / Noise 74dB / Ring 79dB
Performance AnTuTu: 130927 (v7), 172886 (v8) GeekBench: 4625 (v4.4), 1157 (v5.1) GFXBench: 8.6fps (ES 3.1 onscreen) AnTuTu: 141077 (v7), 167395 (v8) GeekBench: 5620 (v4.4) GFXBench: 5.9fps (ES 3.1 onscreen)
Platform
Chipset Qualcomm SDM660 Snapdragon 660 (14 nm) Qualcomm SDM665 Snapdragon 665 (11 nm)
CPU Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU Adreno 512 Adreno 610
OS Android 8.1 (Oreo), upgradable to Android 9.0 (Pie), Android One Android 9.0 (Pie), upgradable to Android 11, MIUI 12.5
Selfie camera
Features LED flash, HDR HDR, panorama
Single 20 MP, f/2.2, (wide), 1/3", 0.9µm 13 MP, f/2.0, (wide), 1/3.1", 1.12µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack No Yes
Loudspeaker Yes Yes