Sapphire HD7790 Dual-X Review

Written by Chad

August 19, 2013



We managed to get our hands on Sapphire’s newest graphic card, the HD7790 Dual-X, let’s take a look if this graphic will be your must have hardware for this year.

The HD7790 Dual-X features dual cooling fans to ensure constant cooling and is based on the Graphics Core Next architecture which increases the performance power, before the we tell you if the graphic card is worth it, let’s take a look at its specs:

Display Support 4 x Maximum Display Monitor(s) support with 1 DisplayPort connected
supports up to 3 display monitor(s) without DisplayPort
4 x Maximum Display Monitor(s) support
Output 1 x HDMI (with 3D)
1 x DisplayPort 1.2
1 x Dual-Link DVI-D
1 x Dual-Link DVI-I
GPU 1075 MHz Core Clock
28 nm Chip
896 x Stream Processors
Video Memory 1024 MB Size
128 -bit GDDR5
6400 MHz Effective
Dimension 215(L)x106(W)x35(H) mm Size.
2 x slot


Now for the results, we tried playing with different games to test out the HD7790’s performance. We played a mix of 2D and 3D games that are fast paced to see if the HD7790 can keep up:


For 2D games, we tried playing Dust: An Elysium Tail with has fast paced combat and tons of visual effects that can drop the framerate, with hours of play testing, we are happy that the HD 7790 had very rare occurrence of a framerate slowdown, it only happens when there were tons of monsters on screen along with the massive use of the dust attack.


DustAET 2013-05-30 22-21-22-36


Next on the line was Sacred: Citadel, a 3D beat ’em up game, it does not require a high PC specification to run this game, but we tried to test it on max settings to see if there will be any drop on the FPS. After an hour of testing, the game does not drop below 60 FPS mark, meaning it didn’t gave the graphic card any strain.

We then tested two MMOs that require a powerhouse PC to run it smoothly. We made a play test for several hours with Hawken and Blacklight Retribution on high settings, there were some drop on the framerate at Hawken (around 50 to 40 FPS) but it still managed to run pretty good without the massive slowdown, same goes with Blacklight Retribution but there were some levels that causes the frame rate to drop at around 35 FPS.



As for the heat issue, the HD 7790 reached at around 50 degrees Celsius after a long session on gaming with high settings as well as video rendering on Adobe Premiere Pro, but when playing any low graphics processing games, it stays at around 30-35 degrees Celsius. And the best part, fan noise is very minimal for those who prefer to have super quiet rigs.

Overall, the Sapphire HD 7790 is a good investment if you are looking for a mid level graphic card but can pack a punch on high-spec games. The HD 7790 is already available in the market for those who are planning to get one right away.


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