BeastCompare

iPhone 6s vs iPhone X: Which One Should You Buy?

iPhone X edges ahead with a BeastScore of 63.2/100 — but the right choice depends on what matters to you.

Head-to-head
Comparing 2 devicesSwipe ⇄
Apple · 2015

iPhone 6s

iPhone 6s
63/ 100
Launch price$649
Apple · 2017

iPhone X

iPhone X
63/ 100
Launch price$999
Head-to-head

iPhone X wins 2 of 7 categories

Here's exactly where each phone is stronger.

iPhone 6s
iPhone 6s
1 win
iPhone X
iPhone X
2 wins
At a glance

Bigger shape = better phone.

SpeedCameraSelfieBatteryDisplayConnectivityValue
iPhone 6siPhone X
Category winners

Scores out of 100. How we score

  • SpeedTie
    60
    60
  • CameraiPhone X
    68
    75
  • VideoNot enough data
  • SelfieTie
    40
    40
  • BatteryTie
    58
    58
  • DisplayTie
    62
    62
  • ConnectivityiPhone X
    45
    53
  • SecurityNot enough data
  • ValueiPhone 6s
    68
    55
Key differences
  • iPhone X has the bigger battery2,716 mAh vs 1,715 mAh
  • iPhone X charges faster18W vs 5W
  • iPhone X has the bigger screen5.85" vs 4.7"
  • iPhone 6s is lighter143 g vs 174 g
  • iPhone 6s launched cheaper$649 vs $999
  • iPhone X has a sharper selfie camera7 MP vs 5 MP
  • iPhone X has newer Bluetooth5 vs 4.2
  • iPhone X has more RAM3 GB vs 2 GB
See all specs ↓

Why buy each phone

Swipe ⇄
Reasons to buy iPhone 6s
  • ✓31 g lighter (143 g vs 174 g), easier to hold
  • ✓$350 cheaper at launch ($649 vs $999)
  • ✓12 MP main camera
Reasons to buy iPhone X
  • ✓Bigger 2,716 mAh battery (+1,001 mAh)
  • ✓12 MP main camera
  • ✓5.85" display at 60 Hz

Full specifications

Swipe ⇄
SpecificationiPhone 6siPhone X
1. Display & Screen
Screen typeLED-backlit IPS LCD Retina HDOLED Super Retina HD
Screen Size4.7"5.85"
Resolution & Density1334x750 (326 ppi)2436x1125 (458 ppi)
Refresh Rate60 Hz60 Hz
Brightness500 nits peak625 nits peak
Screen ProtectionNot listedNot listed
2. Platform & Performance
Chipset / ProcessorNot listed Not listed
CPU CoresNot listedNot listed
GPU GraphicsNot listedNot listed
Operating SystemiOS 9iOS 11
3. Memory & Storage
RAM Memory2 GB LPDDR3 GB LPDDR
Internal Storage16GB / 32GB / 64GB / 128GB64GB / 256GB
Storage SpeedNot listedNot listed
Card SlotNoNo
4. Main Camera Optics🏆 iPhone X Wins Camera
Primary Camera12 MP, f/2.212 MP, f/1.8, OIS
Telephoto ZoomNone (digital zoom only)12 MP (2x optical zoom), f/2.4, OIS
Ultrawide CameraN/AN/A
LiDAR / DepthNoneNone
5. Video
Main Camera Video
Not listed
Not listed
Front Video
Not listed
Not listed
6. Selfie Camera
Selfie Lens5 MP, f/2.27 MP, f/2.2
7. Body & Dimensions🏆 iPhone 6s Lightest Chassis
Dimensions138.3 x 67.1 x 7.1 mm143.6 x 70.9 x 7.7 mm
Weight143 g174 g
Build MaterialsNot listedNot listed
SIM TypeNot listedNot listed
Water ResistanceNot listedIP67
8. Battery & Charging
Battery Capacity1,715 mAh2,716 mAh
Wired Fast Charging5W wired fast charging18W wired fast charging
Wireless ChargingNot listed7W wireless charging
Reverse ChargingNot listedNot listed
9. Sound & Audio
LoudspeakerNot listedNot listed
3.5mm Headphone JackNoNo
10. Connectivity
Wi-Fi StandardWi-Fi 5Wi-Fi 5
Bluetooth4.25.0
USB Port & SpeedLightningLightning
NFCYes (contactless payment)Yes (contactless payment)
11. Sensors & Security
SensorsNot listedNot listed
Satellite FeaturesNot listedNot listed
12. Colors & Overview
ColorsNot listedNot listed
Launch Price$649$999
Our verdict

iPhone X wins — BeastScore 63.2/100

The iPhone X is the better pick for most people thanks to its bigger battery (2,716 mAh vs 1,715 mAh) and faster charging (18W vs 5W). The iPhone 6s is worth a look if you prefer its lighter body (143 g vs 174 g).

Buy iPhone 6s if you want

Lighter: 143 g vs 174 g (31 g less) · Lower launch price: $649 vs $999

Buy iPhone X if you want

Larger battery: 2,716 mAh vs 1,715 mAh · Faster wired charging: 18W vs 5W

Common questions

Which is better: iPhone 6s or iPhone X?

The iPhone X is the better pick for most people thanks to its bigger battery (2,716 mAh vs 1,715 mAh) and faster charging (18W vs 5W). The iPhone 6s is worth a look if you prefer its lighter body (143 g vs 174 g). BeastScore: iPhone 6s 62.8/100, iPhone X 63.2/100.

What are the main battery and display differences between iPhone 6s and iPhone X?

iPhone 6s has a 4.7-inch display and 1715 mAh battery. iPhone X has a 5.85-inch display and 2716 mAh battery.

How do iPhone 6s and iPhone X compare for speed?

iPhone 6s scores 60/100 for performance; iPhone X scores 60/100.

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