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Sapphire HD 4890 Atomic Edition Review

ccokeman    -   May 3, 2009
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Specifications:

The only specifications we really know are the core's clock speed of 1000MHz, and the memory speed of 1020MHz I will leave you with what the stock card is capable of, and how it compares to the HD 4870.

 

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 Sapphire Technology




  1. Introduction & Closer Look
  2. Specifications & Features
  3. Testing (Setup & Overclocking)
  4. Testing: Far Cry 2
  5. Testing: Crysis Warhead
  6. Testing: BioShock
  7. Testing: Call of Duty: World at War
  8. Testing: Dead Space
  9. Testing: Fallout 3
  10. Testing: Left 4 Dead
  11. Testing: 3DMark06 Professional
  12. Testing: 3DMark Vantage
  13. Conclusion
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