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PowerColor HD 4890 Review

ccokeman    -   April 2, 2009
» Discuss this article (10)

Specifications:

GPU Type

HD 4870

HD 4890

Process
55nm
55nm
Transistors
956M
956M

Engine Clock (standard)

750MHz
850MHz

Stream Processors

800
800

Compute Performance

1.2 TFLOPs

1.36 TFLOPs

Texture Units

40
40

Texture Fillrate

30.0 GTexels/s

34.0 GTexels/s

ROPs
16
16

Pixel Fillrate

12.0 GPixels/s

 13.6 GPixels/s
Z/Stencil
64
64

Z Fillrate

48.0 GSamples/s

54.4 GSamples/s

Memory Type

GDDR5
GDDR5

Memory Clock (standard)

900 MHz

975 MHz

Frame Buffer Size

512MB/1GB
1GB

Memory Data Rate

3.6 Gbps

3.9 Gbps

Memory Bus

256-bit
256-bit

Memory Bandwidth

115 GB/s

124.8 GB/s

Maximum Board Power

160 W

190 W

Idle Board Power

90W
60W

 

Features:

  • Microsoft DX10.1 Support
  • PCI Express 2.0 x16 bus interface
  • Dynamic geometry acceleration
  • Game physics processing capability
  • 1GB/256-bit GDDR5 memory interface
  • Two integrated dual-link DVI display outputs
  •  HDMI output support
  • Supports all display resolutions up to 1920x1080
  • Support via DVI-to-HDMI dongle
  •  On chip HDCP Support
  • ATI CrossFireX™ multi-GPU support for highly scalable performance. (Use up to four discrete cards with an AMD 790FX based motherboard)
  • ATI Avivo HD Support
    Accelerated Video Transcoding (AVT)
     DVD Upscaling
    Dynamic Contrast
     Built-in HDMI with 7.1 surround sound support
  •  Dynamic power management with ATI PowerPlay™ technology2
  •  ATI Stream technology2
  •  ATI Unified Video Decoder 2 (UVD) for Blu-ray™ and HD Video.

 

 

All information courtesy of PowerColor




  1. Introduction & Closer Look
  2. Closer Look: (The Video Card)
  3. Closer Look: (Drivers & Programs)
  4. Closer Look: (Catalyst Control Center)
  5. Specifications & Features
  6. Testing: Setup & Overclocking
  7. Testing: Far Cry 2
  8. Testing: Crysis Warhead
  9. Testing: BioShock
  10. Testing: Call of Duty World at War
  11. Testing: Dead Space
  12. Testing: Fallout 3
  13. Testing: Left 4 Dead
  14. Testing: 3DMark 06
  15. Testing: 3DMark Vantage
  16. Conclusion
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