Purchasing a new phone is extremely confusing. Now we not only have to strive for the best brand in the market but you also have to focus on the most suitable model of the brand.
If you have selected Apple as your new smartphone brand and are now confused between the Apple iPhone 6s and iPhone 6, then we are here with a detailed comparison between both smartphones.
Overview
Apple iPhone 6 and iPhone 6s were launched on September 09, 2014, and September 09, 2015, respectively. Their launch has a gap of only one year, but there are a lot of points to compare them.
Having almost the same technology and look, these two handsets can surely confuse you. Still, having the same look and feel, the upgraded version, iPhone 6s, has some great features to discuss.

The changes include a better camera, 3D Touch, more RAM, a faster processor, live photos, and the most trending topic of the iPhone, the bent functionality. Now let's begin the comparison.
General Comparison
Having the same look and feel it's challenging for a non-techy to compare the two smartphones. Both handsets are available in three colours: gold, silver, and space grey. Let's have a look at the general comparison.
Brand | Apple | Apple |
Model | iPhone 6 | iPhone 6s |
Release date | September 2014 | September 2015 |
Launched in India | Yes | Yes |
Form factor | Touchscreen | Touchscreen |
Body type | Metal | Metal |
Dimensions (mm) | 138.10 x 67.00 x 6.90 | 138.30 x 67.10 x 7.10 |
Weight (g) | 129 | 143 |
Battery capacity (mAh) | 1810 | 1715 |
Removable battery | No | No |
Hardware
The hardware is the differentiating factor of both the handsets. The iPhone 6s has a better processor of 1.84 GHz dual-core. Also, the Apple iPhone 6s has 1 GB more RAM than Apple iPhone 6. Along with good RAM, the iPhone 6s also has the Apple A9 processor. Both models do not have an expandable storage option.
Model | iPhone 6 | iPhone 6s |
Technology | GSM / CDMA / HSPA / EVDO / LTE | GSM / CDMA / HSPA / EVDO / LTE |
Processor | 1.4 GHz dual-core | 1.84 GHz dual-core |
Processor make | Apple A8 | Apple A9 |
RAM | 1 GB | 2 GB |
Internal storage | 16 GB | 16 GB |
Expandable storage | No | No |
Display
Both handsets have the same size of 4.70 inches, the exact aspect ratio, and resolution. Both models come with an aspect ratio of 16:9 pixels per inch. Also, the benefit of the iPhone 6s is that it has a 3D touch.
Model | iPhone 6 | iPhone 6s |
Screen size (inches) | 4.70 | 4.70 |
Touchscreen | Yes | Yes |
Resolution | 750 x 1334 pixels | 750 x 1334 pixels |
Aspect ratio | 16:9 | 16:9 |
Pixels per inch (PPI) | 326 | 326 |
Every year being at the top for the best camera, iPhones have always led the market. In terms of the camera, the iPhone 6s is much better than the iPhone 6. Not only better in megapixels but, the video quality has also moved from 1080p to 4k in the iPhone 6s.
Model | iPhone 6 | iPhone 6s |
Rear camera | 8-megapixel (f/2.2, 1.5-micron) | 12-megapixel (f/2.2, 1.22-micron) |
Rear autofocus | Phase detection autofocus | Phase detection autofocus |
Front camera | Dual LED | Yes |
Rear flash | 1.2-megapixel (f/2.2) | 5-megapixel (f/2.2) |
Software
The iPhone 6s comes with a better version of the operating system, iOS 9.0. Also, the iPhone 6s can be upgraded to iOS 13.6. The good thing is that you can also upgrade the iPhone 6 to iOS 12.4.6.
The iPhone 6s has an astounding processor. The processor in the iPhone 6s is 70% faster than the A8 in the iPhone 6. iPhone 6s also has 90% better graphics.
Model | iPhone 6 | iPhone 6s |
Operating system | iOS 8.0 | iOS 9.0 |
Chipset | Apple A8 (20 nm) | Apple A9 (20 nm) |
CPU | Dual-core 1.4 GHz Typhoon (ARM v8-based) | Dual-core 1.84 GHz Twister |
GPU | PowerVR GX6450 (quad-core graphics) | PowerVR GT7600 (six-core graphics) |
Connectivity
There are a lot of connectivity features in both the iPhones and both are almost the same. The tabular representation for the same is given below:
Model | iPhone 6 | iPhone 6s |
Wi-Fi | Yes | Yes |
Wi-Fi standards supported | 802.11 a/b/g/n | 802.11 a/b/g/n |
FM | No | No |
Supports 4G in India (Band 40) | Yes | Yes |
Bluetooth | Yes, v 4.20 | Yes, v 4.20 |
Headphones | 3.5mm | 3.5mm |
GSM/CDMA | GSM | GSM |
Lightning | Yes | Yes |
4G/ LTE | Yes | Yes |
Mobile High-Definition Link (MHL) | No | No |
3G | Yes | Yes |
USB OTG | No | No |
NFC | Yes | Yes |
Wi-Fi Direct | No | No |
Infrared | No | No |
SIM Type | Nano SIM | Nano SIM |
GPS | Yes | Yes |
Number of SIMs | 1 | 1 |
Sensors
From the Fingerprint sensor to the Barometer, you will find everything in both the iPhones.
Model | iPhone 6 | iPhone 6s |
Compass/ Magnetometer | Yes | Yes |
Fingerprint sensor | Yes | Yes |
Temperature sensor | No | No |
Proximity sensor | Yes | Yes |
Ambient light sensor | Yes | Yes |
Barometer and Accelerometer | Yes/ Yes | Yes/ Yes |
Gyroscope | Yes | Yes |
Final Words
Now, the question arises, which phone is the best to buy the iPhone 6 or the iPhone 6s?
So, there are two types of people who are reading this article. Number one is those who want to buy a new iPhone or the second-hand version of the same model. We advise you all to go for the iPhone 6s.
The iPhone 6s is preferred because it has a better processor, a crystal-clear camera, 3D touch, and a lot more features. All those people who can afford an iPhone 6s, they will never regret it. The second type of customers are those who are planning to upgrade their iPhone 6 to the iPhone 6s.
For them, we advise you to avoid upgrading to iPhone 6s. You can wait and can buy some other new model after some time. And if you can save some more money, then you can upgrade your handset to a newly launched iPhone.