Product
Oppo Find X3
Oppo Find X3
Xiaomi Mi Mix 3
Xiaomi Mi Mix 3
Battery
Charging 65W wired, PD, 40% in 10 min 30W wireless, 100% in 80 min 10W reverse wireless 18W wired, QC4 10W wireless
Type Li-Po 4500 mAh Li-Po 3200 mAh, non-removable
Body
Build Glass front (Gorilla Glass), glass back, aluminum frame Glass front, ceramic back, aluminum frame (7000 series)
Dimensions 163.6 x 74 x 8.3 mm (6.44 x 2.91 x 0.33 in) 157.9 x 74.7 x 8.5 mm (6.22 x 2.94 x 0.33 in)
SIM Nano-SIM + eSIM Nano-SIM + Nano-SIM
Weight 193 g (6.81 oz) 218 g (7.69 oz)
  Dust/water resistant -
Comms
Bluetooth 5.2, A2DP, LE, aptX HD 5.0, A2DP, aptX HD, LE
NFC Yes Yes
Positioning GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5) GPS (L1+L5), GLONASS (L1), BDS (B1), GALILEO (E1+E5a), QZSS (L1+L5)
Radio No No
USB USB Type-C 3.1, OTG USB Type-C
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass Corning Gorilla Glass 5
Resolution 1440 x 3216 pixels, 20:9 ratio (~525 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Size 6.7 inches, 108.4 cm2 (~89.6% screen-to-body ratio) 6.39 inches, 100.2 cm2 (~85.0% screen-to-body ratio)
Type LTPO AMOLED, 1B colors, 120Hz, HDR10+, BT.2020, 500 nits (typ), 1300 nits (peak) Super AMOLED, HDR
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, compass
  - Virtual proximity sensing
Launch
Announced 2021, March 11 2018, October. Released 2018, November
Status Available. Released 2021, March 19 Discontinued
Main Camera
Dual - 12 MP (wide), f/1.8, 1/2.55", 1.4µm, dual pixel PDAF, 4-axis OIS 12 MP (telephoto), 1/3.4", 1.0µm
Features Color spectrum sensor, LED flash, HDR, panorama LED flash, HDR, panorama
Quad 50 MP, f/1.8, 26mm (wide), 1/1.56", 1.0µm, multi-directional PDAF, OIS 13 MP, f/2.4, 52mm (telephoto), 1/3.4", 1.0µm, 2x optical zoom, PDAF 50 MP, f/2.2, 16mm, 110˚ (ultrawide), 1/1.56", 1.0µm, multi-directional PDAF 3 MP, f/3.0, (microscope), AF, ring flash, 60x magnification -
Video 4K@30/60fps, 1080p@30/60/240fps; gyro-EIS; HDR, 10‑bit video 4K@30/60fps, 1080p@30/60fps, 1080p@960fps
Memory
Card slot No No
Internal 128GB 8GB RAM, 256GB 8GB RAM 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 10GB RAM
  UFS 3.1 UFS 2.1
Misc
Colors Gloss Black, Blue, White Jade Green, Sapphire Blue, Onyx Black, Forbidden City Blue
Models PEDM00 M1810E5A
SAR - 1.45 W/kg (head)     1.57 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 - Global
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42, 66 - China 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 66 - Global
5G bands 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78, 79 - China -
Speed HSPA, LTE, 5G HSPA, LTE
Technology GSM / CDMA / HSPA / CDMA2000 / LTE / 5G GSM / CDMA / HSPA / EVDO / LTE
  CDMA2000 1x 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 34, 38, 39, 40, 41 - China
Our Tests
Audio quality - Noise -93.2dB / Crosstalk -90.6dB
Battery (old) - Endurance rating 84h
Camera - Photo / Video
Display - Contrast ratio: Infinite (nominal), 4.291(sunlight)
Loudspeaker - -29.9 LUFS (Average)
Performance - AnTuTu: 292353 (v7), 352130 (v8) GeekBench: 9065 (v4.4), 2170 (v5.1) GFXBench: 30fps (ES 3.1 onscreen)
Platform
Chipset Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) Qualcomm SDM845 Snapdragon 845 (10 nm)
CPU Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
GPU Adreno 650 Adreno 630
OS Android 11, upgradable to Android 13, ColorOS 13 Android 9.0 (Pie), upgradable to Android 10, MIUI 12
Selfie camera
Dual - Manual pop-up 24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm Manual pop-up 2 MP, depth sensor
Features Panorama LED flash, HDR
Single 32 MP, f/2.4, 26mm (wide), 1/2.8", 0.8µm -
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack No No
Loudspeaker Yes, with stereo speakers Yes