BeastCompare

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

OnePlus One edges ahead with a BeastScore of 65.0/100 — 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
Oneplus · 2014

OnePlus One

OnePlus One
65/ 100
Launch price$299
Head-to-head

OnePlus One wins 1 of 7 categories

Here's exactly where each phone is stronger.

iPhone 6s
iPhone 6s
0 wins
OnePlus One
OnePlus One
1 win
At a glance

Bigger shape = better phone.

SpeedCameraSelfieBatteryDisplayConnectivityValue
iPhone 6sOnePlus One
Category winners

Scores out of 100. How we score

  • SpeedTie
    60
    60
  • CameraTie
    68
    68
  • VideoNot enough data
  • SelfieTie
    40
    40
  • BatteryTie
    58
    58
  • DisplayTie
    62
    62
  • ConnectivityTie
    45
    45
  • SecurityNot enough data
  • ValueOnePlus One
    68
    90
Key differences
  • OnePlus One has the bigger battery3,100 mAh vs 1,715 mAh
  • OnePlus One charges faster10W vs 5W
  • OnePlus One has a sharper main camera13 MP vs 12 MP
  • OnePlus One has the bigger screen5.5" vs 4.7"
  • iPhone 6s is lighter143 g vs 162 g
  • OnePlus One launched cheaper$299 vs $649
  • iPhone 6s has newer Bluetooth4.2 vs 4.1
  • OnePlus One has more RAM3 GB vs 2 GB
See all specs ↓

Why buy each phone

Swipe ⇄
Reasons to buy iPhone 6s
  • ✓19 g lighter (143 g vs 162 g), easier to hold
  • ✓12 MP main camera
  • ✓4.7" display at 60 Hz
Reasons to buy OnePlus One
  • ✓$350 cheaper at launch ($299 vs $649)
  • ✓Bigger 3,100 mAh battery (+1,385 mAh)
  • ✓13 MP main camera

Full specifications

Swipe ⇄
SpecificationiPhone 6sOnePlus One
1. Display & Screen
Screen typeLED-backlit IPS LCD Retina HDLTPS LCD
Screen Size4.7"5.5"
Resolution & Density1334x750 (326 ppi)1920x1080 (401 ppi)
Refresh Rate60 Hz60 Hz
Brightness500 nits peak480 nits peak
Screen ProtectionNot listedNot listed
2. Platform & Performance
Chipset / ProcessorNot listed Not listed
CPU CoresNot listedNot listed
GPU GraphicsNot listedNot listed
Operating SystemiOS 9Android 4.4
3. Memory & Storage
RAM Memory2 GB LPDDR3 GB LPDDR
Internal Storage16GB / 32GB / 64GB / 128GB16GB / 64GB
Storage SpeedNot listedNot listed
Card SlotNoNo
4. Main Camera Optics
Primary Camera12 MP, f/2.213 MP, f/2, Sony IMX214
Telephoto ZoomNone (digital zoom only)None (digital zoom only)
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/2.25 MP, f/2
7. Body & Dimensions🏆 iPhone 6s Lightest Chassis
Dimensions138.3 x 67.1 x 7.1 mm152.9 x 75.9 x 8.9 mm
Weight143 g162 g
Build MaterialsNot listedNot listed
SIM TypeNot listedNot listed
Water ResistanceNot listedNot listed
8. Battery & Charging
Battery Capacity1,715 mAh3,100 mAh
Wired Fast Charging5W wired fast charging10W wired fast charging
Wireless ChargingNot listedNot listed
Reverse ChargingNot listedNot listed
9. Sound & Audio
LoudspeakerNot listedNot listed
3.5mm Headphone JackNoNo
10. Connectivity
Wi-Fi StandardWi-Fi 5Wi-Fi 5
Bluetooth4.24.1
USB Port & SpeedLightningMicro-USB 2.0
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$299
Our verdict

OnePlus One wins — BeastScore 65.0/100

The OnePlus One is the better pick for most people thanks to its bigger battery (3,100 mAh vs 1,715 mAh) and faster charging (10W vs 5W). The iPhone 6s is worth a look if you prefer its lighter body (143 g vs 162 g).

Buy iPhone 6s if you want

Lighter: 143 g vs 162 g (19 g less)

Buy OnePlus One if you want

Larger battery: 3,100 mAh vs 1,715 mAh · Larger display: 5.5" vs 4.7"

Common questions

Which is better: iPhone 6s or OnePlus One?

The OnePlus One is the better pick for most people thanks to its bigger battery (3,100 mAh vs 1,715 mAh) and faster charging (10W vs 5W). The iPhone 6s is worth a look if you prefer its lighter body (143 g vs 162 g). BeastScore: iPhone 6s 62.8/100, OnePlus One 65.0/100.

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

iPhone 6s has a 4.7-inch display and 1715 mAh battery. OnePlus One has a 5.5-inch display and 3100 mAh battery.

How do iPhone 6s and OnePlus One compare for speed?

iPhone 6s scores 60/100 for performance; OnePlus One scores 60/100.

Similar Smartphones

Galaxy S9
Samsung

Galaxy S9

iPhone 13
Apple

iPhone 13

Pixel 3
Google

Pixel 3

OnePlus Nord N300 5G TD-LTE US 64GB CPH2389 (BBK 2339)
Oneplus

OnePlus Nord N300 5G TD-LTE US 64GB CPH2389 (BBK 2339)

Xiaomi Redmi A3x 4G Standard Edition Global Dual SIM TD-LTE 64GB 24048RN6CG (Xiaomi Klein)
Xiaomi

Xiaomi Redmi A3x 4G Standard Edition Global Dual SIM TD-LTE 64GB 24048RN6CG (Xiaomi Klein)

BBK Vivo Y01 2022 Standard Edition Dual SIM TD-LTE V3 NP BD KH VN 32GB
Vivo

BBK Vivo Y01 2022 Standard Edition Dual SIM TD-LTE V3 NP BD KH VN 32GB

A3s Dual SIM TD-LTE VN Version 2 16GB CPH1803 / A2 Pro
Oppo

A3s Dual SIM TD-LTE VN Version 2 16GB CPH1803 / A2 Pro

Motorola Razr (2019)
Motorola

Motorola Razr (2019)

More Smartphones comparisons

vs

iPhone 6s vs Galaxy S5

Compare →
vs

OnePlus One vs Galaxy S9

Compare →
vs

iPhone 6s vs iPhone X

Compare →
vs

OnePlus One vs iPhone 13

Compare →
vs

iPhone 6s vs Pixel

Compare →
vs

OnePlus One vs Pixel 3

Compare →
vs

iPhone 6s vs OnePlus Nord N300 5G TD-LTE US 64GB CPH2389 (BBK 2339)

Compare →
vs

OnePlus One vs OnePlus Nord N300 5G TD-LTE US 64GB CPH2389 (BBK 2339)

Compare →

Gear for the OnePlus One

All Amazon Finds →
Amazon FindsBest power banksFast charging for a full day out.See the picks Amazon FindsBest USB-C chargersSmall GaN bricks that charge fast.See the picks Amazon FindsBest wireless earbudsTop 5 on Amazon, compared.See the picks Amazon FindsBest Bluetooth trackersAirTag vs SmartTag2 vs Tile.See the picks

Related articles

All articles →
Samsung Galaxy Z Fold6 vs. Google Pixel 9 Pro Fold vs. Honor Magic V3 vs. OnePlus Open: The Definitive Flagship Foldable Architecture, Hinge Engineering, Crease-Free Displays, and Camera Benchmark Showdown (2026)Flagship Showdown
14 min read

Samsung Galaxy Z Fold6 vs. Google Pixel 9 Pro Fold vs. Honor Magic V3 vs. OnePlus Open: The Definitive Flagship Foldable Architecture, Hinge Engineering, Crease-Free Displays, and Camera Benchmark Showdown (2026)

An exhaustive microarchitectural breakdown, hinge mechanism durability, crease analysis, dual-screen multitasking benchmarks, and periscope camera shootout across the 4 premier book-style foldables of 2026.

Read →
Here are the Apple iPhone Duo alternativesGuide
6 min read

Here are the Apple iPhone Duo alternatives

Explore top alternatives to the $2,000 Apple iPhone Duo, including the Samsung Galaxy Z Fold8, Xiaomi 18 Fold 5G, Vivo X Fold5 Pro, and OnePlus Open 2.

Read →
Pixel 10a Now $599 vs Galaxy A57 & iPhone 17e: Still Worth It?Tech News
6 min read

Pixel 10a Now $599 vs Galaxy A57 & iPhone 17e: Still Worth It?

Google quietly raised the Pixel 10a from $499 to $599 in early October, and Samsung pushed the Galaxy A57 up to $599.99 the same week. That puts three "budget" phones at the same $599 starting price as the iPhone 17e. Here is what changed, how the three compare, and which one makes sense now.

Read →