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HIS 6850 Fan 1GB GDDR5, HIS 6870 Fan Turbo 1GB GDDR5 Graphics Cards

One reference and one custom solution.

March 30, 2011



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Today we shall review two graphics cards from HIS. Only one of those — HIS 6850 Fan 1GB GDDR5 HDMI/2xDVI/DP — is actually made by the company, the other copies the reference design.

Design


HIS 6850 Fan 1GB GDDR5 HDMI/2xDVI/DP
  • GPU: Radeon HD 6850 (Barts)
  • Interface: PCIe x16
  • GPU clock rate (ROPs/shaders): 775/775 MHz (standard)
  • Memory clock rate, physical (effective): 1000 (4000) MHz (standard)
  • Bus: 256-bit
  • Stream processors: 960
  • TMUs: 48 (BLF/TLF/ANIS)
  • ROPs: 32
  • Size: 230x100x32 mm
  • PCB color: blue
  • RAMDACs/TDMS: integrated into GPU
  • Outputs: Single-link DVI-D, Dual-link DVI-I, DisplayPort, HDMI
  • Multi-GPU mode: hardware CrossFire
HIS 6870 Fan Turbo 1GB GDDR5 HDMI/2xDVI/2xMini DP
  • GPU: Radeon HD 6870 (Barts)
  • Interface: PCIe x16
  • GPU clock rate (ROPs/shaders): 920/920 MHz (the standard is 900 MHz)
  • Memory clock rate, physical (effective): 1120 (4480) MHz (the standard is 1050 (4200) MHz)
  • Bus: 256-bit
  • Stream processors: 1120
  • TMUs: 56 (BLF/TLF/ANIS)
  • ROPs: 32
  • Size: 270x100x32 mm
  • PCB color: black
  • RAMDACs/TDMS: integrated into GPU
  • Outputs: Single-link DVI-D, Dual-link DVI-I, 2 x Mini DisplayPort, HDMI
  • Multi-GPU mode: hardware CrossFire

Comparison with the reference design, front view
HIS 6850 Fan 1GB GDDR5 HDMI/2xDVI/DP Reference AMD Radeon HD 6850
HIS 6870 Fan Turbo 1GB GDDR5 HDMI/2xDVI/2xMini DP Reference AMD Radeon HD 6870

Comparison with the reference design, rear view
HIS 6850 Fan 1GB GDDR5 HDMI/2xDVI/DP Reference AMD Radeon HD 6850
HIS 6870 Fan Turbo 1GB GDDR5 HDMI/2xDVI/2xMini DP Reference AMD Radeon HD 6870

As stated above, HIS 6870 Fan Turbo 1GB GDDR5 HDMI/2xDVI/2xMini DP is a copy of the reference design described in detail here. But HIS 6850 Fan 1GB GDDR5 HDMI/2xDVI/DP bases on a custom layout. Memory chips remain at the same place, but power elements are relocated closer to outputs, making the graphics card a bit shorter. You can also see traces of a second supplementary power connector — there will either be a factory-overclocked modification of HD 6850 or company's custom HD 6870 will also feature this PCB.

HIS 6850 Fan 1GB GDDR5 HDMI/2xDVI/DP has one supplementary power connector, and HIS 6870 Fan Turbo 1GB GDDR5 HDMI/2xDVI/2xMini DP has two.

Maximum resolutions and frequencies:

  • 240 Hz maximum refresh rate
  • 2560 x 1600 @ 60Hz max. digital resolution
  • 2048 x 1536 @ 85Hz max. VGA resolution

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Article navigation:

Page 1: Introduction, design

Page 2: Cooling

Page 3: Bundles, boxes

Page 4: Performance tests, conclusions



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