ASUS Radeon HD 4890 

Released April, 2009
  • 900 MHz
  • 1 GB GDDR5

To find the maximum overclock of our card we used a combination of ATITool's successor and our benchmarking suite.
by techPowerUp! (Apr, 2009)
Many partners will be offering overclocked boards as well ranging up to 1000 MHz core speed.
by techPowerUp! (Apr, 2009)

Benchmarks Real world tests of the Radeon HD 4890

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

Radeon HD 4890

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 4890
Radeon HD 7770

Sky Diver Factor Data courtesy FutureMark

Radeon HD 4890

Cloud Gate Factor Data courtesy FutureMark

Radeon HD 4890

Reviews Word on the street for the Radeon HD 4890

You may combine up to four HD 4890 cards in CrossFireX for better performance and image quality.

What People Are Saying Give it to me straight


This is very nice for overclockers because they can now change both voltages via software.
by techPowerUp! (Apr, 2009)
Voltage controller does not support software adjustments.
by techPowerUp! (Apr, 2009)
At its suggested retail price of US $249, the MSI HD 4890 SOC is a decent buy for its target buyers, gamers looking for peace of mind when it comes to high-definition gaming.
by techPowerUp! (Aug, 2009)


At 1920 x 1200, performance increments of 92.3%, a near-perfect scaling is observed, which is impressive indeed.
by techPowerUp! (Apr, 2009)
8.0PowerColor's HD 4890 PCS can impress with great performance right out of the box.
by techPowerUp! (Apr, 2009)
The card offers considerably improved performance over the HD 4890 reference design and can beat the GeForce GTX 280.
by techPowerUp! (Jun, 2009)


Thankfully, several of our game tests were receptive to the multi-GPU standard, and responded with decent performance increments, which scale up with increases in resolution.
by techPowerUp! (Apr, 2009)
Over the years, the technology has matured many fold, and has garnered support from the game developer community in a decent measure.
by techPowerUp! (Apr, 2009)
You are left at the mercy of games and 3D applications, to support the multi-GPU standard you are using.
by techPowerUp! (Apr, 2009)


If you consider yourself a good artist, you may also want to check out our Create your own ATI high-end graphics card contest.
by techPowerUp! (Apr, 2009)

Specifications Full list of technical specs


GPU brand ATI
GPU name RV790
Market Desktop
Clock speed 900 MHz
Is dual GPU No
Reference card ATi Radeon HD 4890 850 MHz 1 GB

raw performance

Shading units 800
Texture mapping units 40
Render output processors 16
Compute units 10
Pixel rate 14.4 GPixel/s
Texture rate 36 GTexel/s
Floating-point performance 1,440 GFLOPS


Memory clock speed 1,000 MHz
Effective memory clock speed 4,000 MHz
Memory bus 256 bit
Memory 1,024 MB
Memory type GDDR5
Memory bandwidth 128 GB/s

noise and power

TDP 190W
Report a correction


comments powered by Disqus