Product
Realme X3
Realme X3
Apple iPhone 6s Plus
Apple iPhone 6s Plus
Battery
Charging 30W wired, 100% in 55 min -
Stand-by - Up to 384 h (3G)
Talk time - Up to 24 h (3G)
Type 4200 mAh Li-Ion 2750 mAh, non-removable (10.45 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) 158.2 x 77.9 x 7.3 mm (6.23 x 3.07 x 0.29 in)
SIM Nano-SIM + Nano-SIM Nano-SIM
Weight 202 g (7.13 oz) 192 g (6.77 oz)
  - Apple Pay (Visa, MasterCard, AMEX certified)
Comms
Bluetooth 5.0, A2DP, LE 4.2, A2DP, LE
NFC No Yes (Apple Pay only)
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, oleophobic coating
Resolution 1080 x 2400 pixels, 20:9 ratio (~399 ppi density) 1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
Size 6.6 inches, 105.2 cm2 (~84.7% screen-to-body ratio) 5.5 inches, 83.4 cm2 (~67.7% screen-to-body ratio)
Type IPS LCD, 120Hz IPS LCD
  - 3D Touch display
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer
Launch
Announced 2020, June 25 2015, September 09. Released 2015, September 25
Status Available. Released 2020, June 30 Discontinued
Main Camera
Features LED flash, HDR, panorama Dual-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/2.2, 29mm (standard), 1/3.0", 1.22µm, PDAF, OIS
Video 4K@30/60fps, 1080p@30/60fps, 720p@960fps; gyro-EIS 4K@30fps, 1080p@60fps, 1080p@120fps, 720p@240fps
Memory
Card slot No No
Internal 128GB 6GB RAM, 128GB 8GB RAM 16GB 2GB RAM, 32GB 2GB RAM, 64GB 2GB RAM, 128GB 2GB RAM
  UFS 3.0 NVMe
Misc
Colors Glacier Blue, Arctic White Space Gray, Silver, Gold, Rose Gold
Models RMX2142, RMX2081, RMX2085, RMX2083 A1634, A1687, A1690, A1699, iPhone8,2
SAR - 1.12 W/kg (head)     1.14 W/kg (body)    
SAR EU - 0.93 W/kg (head)     0.98 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700 / 1900 / 2100
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, 28, 29, 30 - A1633
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 Mbps, EV-DO Rev.A 3.1 Mbps
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE
  - 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41 - A1634
Platform
Chipset Qualcomm SM8150 Snapdragon 855+ (7 nm) Apple A9 (14/16 nm - maker dependant)
CPU Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485) Dual-core 1.84 GHz Twister
GPU Adreno 640 (700 MHz) PowerVR GT7600 (six-core graphics)
OS Android 10, upgradable to Android 11, Realme UI 2.0 iOS 9, upgradable to iOS 15.8.1
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 - 5 MP, f/2.2, 31mm (standard)
Video 1080p@30fps, gyro-EIS 720p@30fps
Sound
3.5mm jack No Yes
Loudspeaker Yes Yes
  24-bit/192kHz Hi-Res audio 16-bit/44.1kHz audio
Tests
Audio quality - Noise -93.4dB / Crosstalk -71.1dB
Battery (old) - Endurance rating 85h
Camera - Photo / Video
Display - Contrast ratio: 1382:1 (nominal), 3.530 (sunlight)
Loudspeaker - Voice 65dB / Noise 65dB / Ring 64dB
Performance - Basemark OS II 2.0: 2261