Product
Realme X3
Realme X3
Apple iPhone 7
Apple iPhone 7
Battery
Charging 30W wired, 100% in 55 min -
Talk time - Up to 14 h (3G)
Type 4200 mAh Li-Ion 1960 mAh, non-removable (7.45 Wh)
Body
Build Glass front (Gorilla Glass 5), glass back, plastic frame Glass front (Corning-made glass), aluminum back, aluminum frame
Dimensions 163.8 x 75.8 x 8.9 mm (6.45 x 2.98 x 0.35 in) 138.3 x 67.1 x 7.1 mm (5.44 x 2.64 x 0.28 in)
SIM Nano-SIM + Nano-SIM Nano-SIM
Weight 202 g (7.13 oz) 138 g (4.87 oz)
  - IP67 dust/water resistant (up to 1m for 30 min)Apple Pay (Visa, MasterCard, AMEX certified)
Comms
Bluetooth 5.0, A2DP, LE 4.2, A2DP, LE
NFC No Yes
Positioning GPS (L1+L5), GLONASS, BDS, GALILEO, QZSS GPS, GLONASS, GALILEO, QZSS
Radio No No
USB USB Type-C 2.0 Lightning, USB 2.0
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, hotspot
Display
Protection Corning Gorilla Glass 5 Ion-strengthened glass
Resolution 1080 x 2400 pixels, 20:9 ratio (~399 ppi density) 750 x 1334 pixels, 16:9 ratio (~326 ppi density)
Size 6.6 inches, 105.2 cm2 (~84.7% screen-to-body ratio) 4.7 inches, 60.9 cm2 (~65.6% screen-to-body ratio)
Type IPS LCD, 120Hz Retina IPS LCD, 625 nits (typ)
  - 3D Touch display & home button
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer
Launch
Announced 2020, June 25 2016, September 07. Released 2016, September 16
Status Available. Released 2020, June 30 Discontinued
Main Camera
Features LED flash, HDR, panorama Quad-LED dual-tone flash, HDR
Quad 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 12 MP, f/2.5, 51mm (telephoto), PDAF, 2x optical zoom 8 MP, f/2.3, 119˚, 16mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) -
Single - 12 MP, f/1.8, 28mm (wide), 1/3.0", PDAF, OIS
Video 4K@30/60fps, 1080p@30/60fps, 720p@960fps; gyro-EIS 4K@30fps, 1080p@30/60/120fps, 720p@240fps
Memory
Card slot No No
Internal 128GB 6GB RAM, 128GB 8GB RAM 32GB 2GB RAM, 128GB 2GB RAM, 256GB 2GB RAM
  UFS 3.0 NVMe
Misc
Colors Glacier Blue, Arctic White Jet Black, Black, Silver, Gold, Rose Gold, Red
Models RMX2142, RMX2081, RMX2085, RMX2083 A1660, A1778, A1779, A1780, A1853, A1866, iPhone9,1, iPhone9,3
SAR - 1.19 W/kg (head)     1.19 W/kg (body)    
SAR EU - 1.38 W/kg (head)     1.34 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - A1660, A1778
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - A1660, A1778
4G bands 1, 3, 5, 8, 38, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 27, 28, 29, 30, 38, 39, 40, 41 - A1660, A1778
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE (3CA) Cat9 450/50 Mbps, EV-DO Rev.A 3.1 Mbps
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE
  - CDMA2000 1xEV-DO & TD-SCDMA - A1660
Platform
Chipset Qualcomm SM8150 Snapdragon 855+ (7 nm) Apple A10 Fusion (16 nm)
CPU Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485) Quad-core 2.34 GHz (2x Hurricane + 2x Zephyr)
GPU Adreno 640 (700 MHz) PowerVR Series7XT Plus (six-core graphics)
OS Android 10, upgradable to Android 11, Realme UI 2.0 iOS 10.0.1, upgradable to iOS 15.8.4
Selfie camera
Dual 16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm 8 MP, f/2.2, 105˚ (ultrawide), 1/4.0", 1.12µm -
Features Panorama Face detection, HDR, panorama
Single - 7 MP, f/2.2, 32mm (standard)
Video 1080p@30fps, gyro-EIS 1080p@30fps
Sound
3.5mm jack No No
Loudspeaker Yes Yes, with stereo speakers
  24-bit/192kHz Hi-Res audio -
Tests
Audio quality - Noise -92.4dB / Crosstalk -80.9dB
Battery (old) - Endurance rating 61h
Camera - Photo / Video
Display - Contrast ratio: 1603:1 (nominal), 3.964 (sunlight)
Loudspeaker - Voice 67dB / Noise 73dB / Ring 75dB
Performance - Basemark OS II 2.0: 3416