- The Nokia N950 is physically larger and is made out of aluminum, whereas the Nokia N9 has a polycarbonate unibody.
- The Nokia N950 has a physical slide-out QWERTY keyboard. The Nokia N9 is a touchscreen-only device.
- The Nokia N950 has a 4" TFT LCD display whereas the Nokia N9 has a 3.9" AMOLED display. Display resolution is same on both devices (854x480). Due to the use of different display technologies, developers should avoid one pixel width fonts and graphical objects with lines one pixel wide. Also avoid the extensive use of bright colors, especially white, when developing for OLED displays as this increases the power consumption (typical for OLED displays).
- The Nokia N950 has a different physical camera module than the Nokia N9. Both camera modules have very similar image quality (Carl Zeiss branding in the Nokia N9) and both modules support 8Mpix image mode.
- In the Nokia N950 the front facing camera is in top right corner and on the Nokia N9 it is in the bottom right corner. The actual camera module is same.
- The Nokia N950 does not have support for NFC (Near Field Communication)
- The Nokia N9 has a slightly more sensitive magnetometer and ALS (Ambient Light Sensor)
- The Nokia N950 has a 1320mAh battery, the Nokia N9 has a 1450mAh battery
- General Help (Info buttons) is disabled in the UI.
- Developers should check out the developer section below, and review the OneClickFlasher release notes, as these are used to switch between variants.