AMD Radeon 900 alternatives, similar GPUs

Sapphire RADEON R9 280 Dual-X with Boost
Specifications

EVGA GeForce GTX TITAN BLACK
Specifications

EVGA GeForce GTX TITAN BLACK Superclocked
Specifications

Gigabyte GV-N780GHZ-3GD
Specifications

Gigabyte GV-NTITANBLKD5-6GD-B
Specifications

Gigabyte GV-N660OC-3GD
Specifications

Albatron Ti4600V
Specifications

Creative 3D Blaster 4 Titanium 4800 SE
Specifications

Gainward GeForce4 PowerPack! Ultra/650-8X TV
Specifications

Gainward GeForce4 PowerPack! Ultra/750-8X XP Golden Sample
Specifications

Gainward GeForce4 PowerPack! Ultra/750-8X TV
Specifications

Sapphire RADEON R7 265 Dual-X
Specifications

AMD Radeon R9 255
Specifications

Sapphire AMD Radeon Sky 500
Specifications

Sapphire AMD Radeon Sky 700
Specifications

Sapphire AMD Radeon Sky 900
Specifications

AMD Radeon 500
Specifications

AMD Radeon 700
Specifications

AMD Radeon HD 6670
Specifications

AMD Radeon HD 6450A
Specifications

AMD Radeon HD 5450
Specifications

AMD Radeon R7 240
Specifications

AMD Radeon R5 240
Specifications

AMD Radeon R9 290X
Specifications