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XFX Double Dissipation R7750 Review


Closer Look:

Out of its static pajamas, the XFX 7750 is definitely a fine-looking card. It has an aluminum shroud with a black XFX-cut stripe down the center – almost like a racing stripe. The side of the shroud features an eye-catching red color and screams out "XFX R7750" with another cut-out. From this angle, you can see the two obvious fans on top that create the Double Dissipation team, as well as the fan connectors on the PCB just peeking out at the bottom. It is very nice looking and isn't shy to stand out a little.

Flipping the card over, you can see the back side of the PCB with all the solder points and traces – always an elegant feature to any piece of hardware. You can also see the four main spring-loaded screws that hold the cooler to the GPU itself. It has a core clock speed of 900 MHz, as previously mentioned, with 512 shaders. The memory clock is set at 1125 MHz and the card has the bare minimum of memory at 1 GB – good enough for most gaming, but if you are going to be running above 1080p with maxed out settings, you might want a little more. It has all the "newest" features including GDDR5, OpenGL 4.2, and DirectX 11 – it's a card ready for today's and tomorrow's games.














Here, we have a quick walk-around the card, taking a picture from the front, right, back, and left sides to give you a full look at the card itself. The front sides give you a nice look at the fins for the heat sink beneath the shroud (you'll see these better just ahead), a nice slab of copper for cooling, and a few capacitors here and there. It's not super flashy from this angle, but not bad overall.

Looking at the end, there is only one 6pin connector, meaning it can't pull more than 150 W between the board and plug (though the TDP is rated at a measly 55 watts). If you are counting those pennies with your power bill like I am, this is a pretty decent alternative to some of those other power-hungry friends we all know and love. The plug is also on the end of the card rather than the side, so it is set up nicely for cable management – so long as you don't have a super short case. Then again, even the tiny little Outlaw from BitFenix isn't too small for a card like this.

The other end of the card shows off the XFX cut-out on the back plate, as well as four distinctive outputs: 1x Dual-Link DVI, 1x Single-Link DVI, 1x HDMI, and 1x Display Port. Just remember, you won't be able to run both DVI ports with the HDMI output, so you have to plan ahead if you don't have the required cables; just remember, you only get two of the three.





Taking a look from the ends, you again see the 6-pin power plug and another angle of the heat sink fins. You can also see the fan blades just below the edge of the surface, ready to blow air right down across the card. Two fans plugs are connected to the PCB, though the shroud hides a bit more of what is inside. The back end of the card shows the four outputs – it should be clear what they are from the photo.



Overall, the XFX 7750 is an attractive-looking card. It has the specifications to hang in there for some gaming or as a nicer beefy home theater card. It might not be exactly what you are looking for if you want to max out your settings while running Eyefinity, but at least you can run Eyefinity with this card (perhaps with older games). It is exactly what it is supposed to be; cool, quiet, and able to provide more than your silly onboard video.


As always, for a little fun and even closer look, I like to take apart the card and see exactly how the cooling is set up for the chip, as well as what is hidden beneath the shroud, heat sink, and all those cooling fins. Pulled apart, the XFX 7750 looks to be rather simple in build at this level, though you do get a little closer look at the PCB and the full chunk of copper being used to help dissipate heat from the GPU.


A close-up of the copper block and you can see it comes with a nice solid layer of thermal compound – the chip was nice and settled into the solid chunk, really increasing that thermal conductivity between the chip and copper.



The chip itself is quite a pretty one too – a little bit of green and brown on this one. You can even catch the AMD logo in the light and read the "Made in China" right off the die. I've always loved the close-up detail of anything electronic. The Cape Verde core from the AMD 28 nm Southern Islands line is quite easy to make out, and quite small as well! Within its 1.5 billion transistors lie 512 stream processors (shaders, if you're old-school), 32 texture units, and 16 ROPs.  The 1 GB of GDDR5 memory is attached to the core via a 128-bit bus running at 1125 MHz (4.5 GHz effective) and the chips themselves are manufactured by Hynix (part number H5GQ2H24MFA, rated for 5 GHz). Let's move on to the next page to see how the core and memory overclock under this nice cooler!


  1. Introduction & Closer Look
  2. Closer Look: The Video Card
  3. Specifications & Features
  4. Testing: Setup & Overclocking
  5. Testing: Metro 2033
  6. Testing: Batman: Arkham City
  7. Testing: Battlefield 3
  8. Testing: Unigine Heaven Benchmark 3.0
  9. Testing: Sid Meier's Civilization V
  10. Testing: DiRT 3
  11. Testing: Mafia II
  12. Testing: 3DMark 11
  13. Testing: Temperatures
  14. Testing: Power Consumption
  15. Conclusion
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