- People expected the PC version to be graphically superior to the PS4/Xbox One version, but nobody expected to be so blown away with such a staggering difference.
- It's not a Ubisoft-style quick port of the console version, it's been reworked thoroughly to offer an unmatched experience on PC.

- They felt like it was designed with bourgeois (very high-end) computers in mind, but there are a lot of graphics options to make sure it runs on just about any hardware.

- . No mention of which settings or resolution though.
- FOV is greatly increased compared to the PS4/Xbox One version (which was increased compared to the PS3/360 version). For instance, he could see the whole map when jumping in parachute, without a tiny bit of aliasing.
- No element pop-up or clipping, unlike the console versions.

- New lighting system with different light diffraction
- Some places were radically redesigned, for instance the Playboy Mansion's pool which used to be a rectangle and is now a wild river, complete with a stream a cave.
- Supports 3D and dual/triple monitors.
- Supports the PS4, Xbox 360 and Xbox One controllers natively.
- GTA Online supports up to 30 players + 2 spectators.
- New radio station "The Lab FM" with completely new tracks. "Self radio" station allows list to your own MP3s.
- Rockstar Editor offers manual recording, but also always keeps a buffer of the last 30 seconds.
- Rockstar Editor offers plenty of options for editing, such as camera angles, transitions, blurs, DOF, lighting saturation. You can also add sounds including all audio files from the game itself (including sound effects, music and dialogs).
- "Director Mode" allows to change the time of the day, weather, pedestrian/car traffic density. You can be any character (human or animal) and you can teleport.

Edit: The original article mentions a larger FOV (
champ de vision) but it's likely a mistake and they really mean a longer drawing distance.