Product
Realme X2 Pro
Realme X2 Pro
Apple iPhone 5s
Apple iPhone 5s
Battery
Charging 50W wired, 100% in 35 min -
Stand-by - Up to 250 h (3G)
Talk time - Up to 10 h (3G)
Type 4000 mAh, non-removable Li-Po 1560 mAh, non-removable (5.92 Wh)
Body
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame Glass front (Corning-made glass), aluminum back, aluminum frame
Dimensions 161 x 75.7 x 8.7 mm (6.34 x 2.98 x 0.34 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 199 g (7.02 oz) 112 g (3.95 oz)
Comms
Bluetooth 5.0, A2DP, LE 4.0, A2DP
NFC Yes No
Positioning GPS (L1+L5), GLONASS, BDS, GALILEO 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 (~402 ppi density) 640 x 1136 pixels, 16:9 ratio (~326 ppi density)
Size 6.5 inches, 103.5 cm2 (~84.9% screen-to-body ratio) 4.0 inches, 44.1 cm2 (~60.8% screen-to-body ratio)
Type Super AMOLED, 90Hz, HDR10+, 1000 nits (peak) IPS LCD
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (front-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2019, October 15. Released 2019, October 2013, September 10. Released 2013, September 20
Status Discontinued Discontinued
Main Camera
Features Dual-LED flash, HDR, panorama Dual-LED dual-tone flash, HDR
Quad 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 13 MP, f/2.5, 52mm (telephoto), 1/3.4", 1.0µm, PDAF, 2x optical zoom 8 MP, f/2.2, 16mm (ultrawide) 2 MP, f/2.4, (depth) -
Single - 8 MP, f/2.2, 29mm (standard), 1/3.0", 1.5µm, AF
Video 4K@30/60fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS 1080p@30fps, 720p@120fps
Memory
Card slot No No
Internal 64GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM 16GB 1GB RAM, 32GB 1GB RAM, 64GB 1GB RAM
  64GB UFS 2.1, 128/256GB UFS 3.0 -
Misc
Colors Lunar White, Neptune Blue, Red Master Edition, Gray Master Edition Space Gray, White/Silver, Gold
Models RMX1931 A1453, A1457, A1518, A1528, A1530, A1533, iPhone6,1, iPhone6,2
SAR - 1.12 W/kg (head)     1.18 W/kg (body)    
SAR EU - 1.00 W/kg (head)     0.80 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - all models
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - China HSDPA 850 / 900 / 1700 / 1900 / 2100 - A1533 (GSM), A1453
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41 - China 1, 2, 3, 4, 5, 8, 13, 17, 19, 20, 25 - A1533 GSM, A1533 CDMA
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE Cat3 100/50 Mbps, EV-DO Rev.A 3.1 Mbps
Technology GSM / CDMA / HSPA / EVDO / LTE GSM / CDMA / HSPA / EVDO / LTE
  1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41 - EMEA 1, 2, 3, 5, 7, 8, 20, 38, 39, 40 - A1530
Our Tests
Audio quality Noise -91.3dB / Crosstalk -92.5dB -
Battery (old) Endurance rating 94h -
Camera Photo / Video -
Display Contrast ratio: Infinite (nominal) -
Loudspeaker Voice 82dB / Noise 75dB / Ring 91dB -
Performance AnTuTu: 396827 (v7), 467653 (v8) GeekBench: 10373 (v4.4) GFXBench: 37fps (ES 3.1 onscreen) -
Platform
Chipset Qualcomm SM8150 Snapdragon 855+ (7 nm) Apple A7 (28 nm)
CPU Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485) Dual-core 1.3 GHz Cyclone (ARM v8-based)
GPU Adreno 640 (700 MHz) PowerVR G6430 (quad-core graphics)
OS Android 9.0 (Pie), upgradable to Android 11, Realme UI 2.0 iOS 7, upgradable to iOS 12.5.7
Selfie camera
Features HDR face detection, HDR, FaceTime over Wi-Fi or Cellular
Single 16 MP, f/2.0, 25mm (wide), 1/3.06", 1.0µm 1.2 MP, f/2.4, 31mm (standard)
Video 1080p@30fps, gyro-EIS 720p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes, with Dolby Atmos stereo speakers (2 dedicated amplifiers) Yes
  24-bit/192kHz Hi-Res audio (incl. speakers) 16-bit/44.1kHz audio
Tests
Audio quality - Noise -93.6dB / Crosstalk -90.3dB
Battery (old) - Endurance rating 54h
Camera - Photo / Video
Display - Contrast ratio: 1219:1 (nominal) / 3.565:1 (sunlight)
Loudspeaker - Voice 68dB / Noise 66dB / Ring 69dB
Performance - Basemark X: 14341