ASUS Radeon HD 4890 

Released April, 2009
  • 900 MHz
  • 1 GB GDDR5

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 5770
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

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
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