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Specifications
 

Xiaomi Mi 8

Xiaomi Poco X3 NFC

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Xiaomi Mi 8
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Xiaomi Mi 8

Xiaomi Poco X3 NFC

Network
Technology GSM / CDMA / HSPA / LTE GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
  CDMA 800 & TD-SCDMA
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 34, 38, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
Speed HSPA 42.2/5.76 Mbps, LTE (4CA) Cat16 1024/150 Mbps HSPA, LTE
Launch
Announced 2018, May 2020, September 07
Status Available. Released 2018, June Available. Released 2020, September 08
Body
Dimensions 154.9 x 74.8 x 7.6 mm (6.10 x 2.94 x 0.30 in) 165.3 x 76.8 x 9.4 mm (6.51 x 3.02 x 0.37 in)
3D size compare
Weight 175 g (6.17 oz) 215 g (7.58 oz)
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame (7000 series) Glass front (Gorilla Glass 5), aluminum frame, plastic back
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
  IP53 dust protected and water resistant
(vertical water sprays)
Display
Type Super AMOLED, HDR10 IPS LCD, 120Hz, HDR10, 450 nits (typ)
Size 6.21 inches, 97.1 cm2 (~83.8% screen-to-body ratio) 6.67 inches, 107.4 cm2 (~84.6% screen-to-body ratio)
Resolution 1080 x 2248 pixels (~402 ppi density) 1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Protection Corning Gorilla Glass 5 Corning Gorilla Glass 5
Platform
OS Android 8.1 (Oreo), upgradable to Android 10, MIUI 12 Android 10, upgradable to Android 12, MIUI 14
Chipset Qualcomm SDM845 Snapdragon 845 (10 nm) Qualcomm SM7150-AC Snapdragon 732G (8 nm)
CPU Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver) Octa-core (2x2.3 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
GPU Adreno 630 Adreno 618
Memory
Card slot No microSDXC (uses shared SIM slot)
Internal 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
 UFS 2.1 UFS 2.1

Main Camera
Modules 12 MP, f/1.8, 1/2.55", 1.4µm, dual pixel PDAF, 4-axis OIS
12 MP, f/2.4, 56mm (telephoto), 1/3.4", 1.0µm, AF, 2x optical zoom
64 MP, f/1.9, (wide), 1/1.73", 0.8µm, PDAF
13 MP, f/2.2, 119˚ (ultrawide), 1.0µm
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
Features Dual-LED flash, HDR, panorama Dual-LED flash, HDR, panorama
Video 4K@30/60fps, 1080p@30/120/240fps, 720p@960fps 4K@30fps, 1080p@30/120fps, 720p@960fps; gyro-EIS
Selfie Camera
Modules 20 MP, f/2.0, (wide), 1/3", 0.9µm 20 MP, f/2.2, (wide), 1/3.4", 0.8µm
Features HDR, panorama
Video 1080p@30fps 1080p@30fps
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Sound
Loudspeaker Yes Yes, with stereo speakers
3.5mm jack No Yes
  24-bit/192kHz Hi-Res audio
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth 5.0, A2DP, LE, aptX HD 5.1, A2DP, LE
Positioning GPS (L1+L5), GLONASS (L1), BDS (B1), GALILEO (E1+E5a), QZSS (L1+L5) GPS, GLONASS, BDS
NFC Yes Yes
Infrared port No Yes
Radio No FM radio, recording
USB USB Type-C USB Type-C 2.0, OTG
Features
Sensors Infrared Face ID, fingerprint (rear-mounted), accelerometer, gyro, proximity, barometer, compass Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Type Li-Po 3400 mAh, non-removable Li-Po 5160 mAh
Charging 18W wired, QC4 33W wired, 62% in 30 min, 100% in 65 min
Misc
Colors Black, Blue, White, Gold Cobalt Blue, Shadow Gray
SAR 0.70 W/kg (head)     1.66 W/kg (body)     0.77 W/kg (head)     0.61 W/kg (body)    
SAR EU 1.01 W/kg (head)     1.32 W/kg (body)     0.56 W/kg (head)     0.99 W/kg (body)    
Models M1803E1A M2007J20CG, M2007J20CT
Price About 430 EUR About 170 EUR
Tests
Performance AnTuTu: 217298 (v7), 341687 (v8)
GeekBench: 8494 (v4.4), 2002 (v5.1)
GFXBench: 33fps (ES 3.1 onscreen)
AnTuTu: 283750 (v8)
GeekBench: 1777 (v5.1)
GFXBench: 16fps (ES 3.1 onscreen)
Display Contrast ratio: Infinite (nominal), 4.086 (sunlight) Contrast ratio: 1299:1 (nominal)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker -29.1 LUFS (Average) -25.3 LUFS (Very good)
Audio quality Noise -93.9dB / Crosstalk -93.7dB
Battery (old) Endurance rating 86h Endurance rating 125h

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