Product
Realme X3
Realme X3
Apple iPhone 5
Apple iPhone 5
Battery
Charging 30W wired, 100% in 55 min -
Stand-by - Up to 225 h (3G)
Talk time - Up to 8 h (3G)
Type 4200 mAh Li-Po 1440 mAh, non-removable (5.45 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) 123.8 x 58.6 x 7.6 mm (4.87 x 2.31 x 0.30 in)
SIM Nano-SIM + Nano-SIM Nano-SIM
Weight 202 g (7.13 oz) 112 g (3.95 oz)
Comms
Bluetooth 5.0, A2DP, LE 4.0, A2DP, LE
NFC No -
Positioning GPS (L1+L5), GLONASS, BDS, GALILEO, QZSS GPS, A-GPS, GLONASS
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, dual-band, hotspot
Display
Protection Corning Gorilla Glass 5 Corning Gorilla Glass, oleophobic coating
Resolution 1080 x 2400 pixels, 20:9 ratio (~399 ppi density) 640 x 1136 pixels, 16:9 ratio (~326 ppi density)
Size 6.6 inches, 105.2 cm2 (~84.7% screen-to-body ratio) 4.0 inches, 44.1 cm2 (~60.8% screen-to-body ratio)
Type IPS LCD, 120Hz IPS LCD
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Accelerometer, gyro, proximity, compass
Launch
Announced 2020, June 25 2012, September 12. Released 2012, September 21
Status Available. Released 2020, June 30 Discontinued
Main Camera
Features LED flash, HDR, panorama LED flash, panorama, 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 - 8 MP, f/2.4, 33mm (standard), 1/3.2", 1.4µm, AF
Video 4K@30/60fps, 1080p@30/60fps, 720p@960fps; gyro-EIS 1080p@30fps
Memory
Card slot No No
Internal 128GB 6GB RAM, 128GB 8GB RAM 16GB 1GB RAM, 32GB 1GB RAM, 64GB 1GB RAM
  UFS 3.0 -
Misc
Colors Glacier Blue, Arctic White Black/Slate, White/Silver
Models RMX2142, RMX2081, RMX2085, RMX2083 A1428, A1429, A1442, iPhone5,1, iPhone5,2
SAR - 1.18 W/kg (head)     1.18 W/kg (body)    
SAR EU - 0.95 W/kg (head)     0.90 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - GSM A1428
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700 / 1900 / 2100 - GSM A1428
4G bands 1, 3, 5, 8, 38, 39, 40, 41 4, 17 - GSM A1428
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE Cat3 100/50 Mbps, EV-DO Rev.A 3.1 Mbps
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE
  - LTE 850 / 1800 / 2100 - GSM A1429
Platform
Chipset Qualcomm SM8150 Snapdragon 855+ (7 nm) Apple A6 (32 nm)
CPU Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485) Dual-core 1.3 GHz Swift (ARM v7-based)
GPU Adreno 640 (700 MHz) PowerVR SGX 543MP3 (triple-core graphics)
OS Android 10, upgradable to Android 11, Realme UI 2.0 iOS 6, upgradable to iOS 10.3.4
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, FaceTime over Wi-Fi or Cellular
Single - 1.2 MP, f/2.4, 35mm (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 -91.3dB / Crosstalk -76.5dB
Battery (old) - Endurance rating 51h
Camera - Photo / Video
Display - Contrast ratio: 1320:1 (nominal) / 3.997:1 (sunlight)
Loudspeaker - Voice 66dB / Noise 66dB / Ring 67dB
Performance - Basemark X: 2229