Compare Apple iPhone X vs Samsung Galaxy S9 Plus

Specifications
Key Specifications
Display Size 5.8 inches 6.2 inches
Operating System iOS 11.1.1, upgradable to iOS 11.4.1 Android 8.0 (Oreo)
RAM 3 GB RAM 6 GB RAM - China
Rear Camera 12 MP 12 MP
Battery Capacity Non-removable Li-Ion 2716 mAh battery (10.35 Wh) Non-removable Li-Ion 3500 mAh battery (13.48 Wh)
General Features
Release Date 2017, September 2018, February
SIM Support Nano-SIM Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
Phone Dimensions 5.65 x 2.79 x 0.30 in 6.22 x 2.91 x 0.33 in
Phone Weight 174 g 189 g
Operating System iOS 11.1.1, upgradable to iOS 11.4.1 Android 8.0 (Oreo)
Display
Screen Size 5.8 inches 6.2 inches
Screen Resolution 1125 x 2436 pixels 1440 x 2960 pixels
Screen Type Super AMOLED capacitive touchscreen, 16M colors Super AMOLED capacitive touchscreen, 16M colors
Screen Protection Scratch-resistant glass, oleophobic coating Corning Gorilla Glass 5
Memory
Internal Memory 64/256 GB 64/128/256 GB
RAM 3 GB RAM 6 GB RAM - China
Card Slot No microSD, up to 512 GB (uses SIM 2 slot) - dual SIM model only
Performance
Processor Hexa-core 2.39 GHz (2x Monsoon + 4x Mistral) Octa-core (4x2.7 GHz Mongoose M3 & 4x1.8 GHz Cortex-A55) - EMEAOcta-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) - USA/LATAM, China
GPU Apple GPU (three-core graphics) Mali-G72 MP18 - EMEAAdreno 630 - USA/LATAM, China
Battery
Type Non-removable Li-Ion 2716 mAh battery (10.35 Wh) Non-removable Li-Ion 3500 mAh battery (13.48 Wh)
Camera
Front Camera 7 MP 8 MP
Front Flash Light No No
Front Video Recording 1080p@30fps 1440p@30fps
Back Flash Light Yes Yes
Back Camera 12 MP 12 MP
Back Video Recording 2160p@24/30/60fps, 1080p@30/60/120/240fps 2160p@60fps, 1080p@240fps, 720p@960fps, HDR, dual-video rec.
Connectivity
Bluetooth Yes Yes
3G Yes Yes
4G/LTE Yes Yes
Radio No FM radio (USA & Canada only)
WiFi Yes Yes
NFC Yes Yes