Today we shall review a trio from HIS based on the Radeon HD 6970, Radeon HD 6950 and Radeon HD 6850 GPUs. Some of these solutions copy reference design, but every card is nevertheless factory-overclocked and has a rather efficient cooler.

Specifications

HIS 6970 Fan Turbo 2GB GDDR5

Part number: H697FT2G2M GPU: Radeon HD 6970 (Cayman) Interface: PCIe x16 2.1 GPU clock rate (ROPs/shaders): 900/900 MHz (the standard is 880/880 MHz) Memory clock rate, physical (effective): 1400 (5600) MHz (the standard is 1375 (5500) MHz) Memory bus: 256-bit Stream processors: 1536 Texture units: 96 (BLF/TLF/ANIS) ROP units: 32 Dimensions: 275x100x33 mm Board color: dark brown RAMDACs/TDMS: integrated into GPU Outputs: Single-Link DVI-D, Dual-Link DVI-I, HDMI 1.4a, 2 x mini-DisplayPort 1.2 Multi-GPU mode: hardware CrossFireX

HIS 6950 Fan Turbo 2GB GDDR5

Part number: H695FT2G2M GPU: Radeon HD 6950 (Cayman) Interface: PCIe x16 2.1 GPU clock rate (ROPs/shaders): 840/840 MHz (the standard is 800/800 MHz) Memory clock rate, physical (effective): 1280 (5120) MHz (the standard is 1250 (5000) MHz) Memory bus: 256-bit Stream processors: 1408 Texture units: 88 (BLF/TLF/ANIS) ROP units: 32 Dimensions: 260x100x33 mm Board color: dark brown RAMDACs/TDMS: integrated into GPU Outputs: Single-Link DVI-D, Dual-Link DVI-I, HDMI 1.4a, 2 x mini-DisplayPort 1.2 Multi-GPU mode: hardware CrossFireX

HIS 6850 IceQ X Turbo 1GB GDDR5

Part number: H685QNT1GD GPU: Radeon HD 6850 (Barts) Interface: PCIe x16 2.1 GPU clock rate (ROPs/shaders): 820/820 MHz (the standard is 775/775 MHz) Memory clock rate, physical (effective): 1100 (4400) MHz (the standard is 1000 (4000) MHz) Memory bus: 256-bit Stream processors: 960 Texture units: 48 (BLF/TLF/ANIS) ROP units: 32 Dimensions: 250x100x33 mm Board color: azure RAMDACs/TDMS: integrated into GPU Outputs: Single-Link DVI-D, Dual-Link DVI-I, HDMI 1.4a, 2 x mini-DisplayPort 1.2 Multi-GPU mode: hardware CrossFireX

Design

Comparison with the reference design, front view

HIS 6970 Fan Turbo 2GB GDDR5	Reference AMD Radeon HD 6970

HIS 6950 Fan Turbo 2GB GDDR5	Reference AMD Radeon HD 6950

HIS 6850 IceQ X Turbo 1GB GDDR5	Reference AMD Radeon HD 6850

Comparison with the reference design, rear view

HIS 6970 Fan Turbo 2GB GDDR5	Reference AMD Radeon HD 6970

HIS 6950 Fan Turbo 2GB GDDR5	Reference AMD Radeon HD 6950

HIS 6850 IceQ X Turbo 1GB GDDR5	Reference AMD Radeon HD 6850

As you can see, both Radeon HD 6950 and HD 6970 are copies of the reference cards purchased from AMD. Both are also factory-overclocked to be eligible for the "Turbo" suffix. In turn, Radeon HD 6850 is a custom solution made by HIS, although its PCB is very similar to the reference one.

Radeon HD 6950 and Radeon HD 6970 have two BIOS chips and switches to activate one of the two. Switches are set to BIOS1 by default. The second chip is intended for storing overclocking profiles and as a fail-safe.

Speaking of supplementary power connectors, Radeon HD 6850 has one 6-pin, Radeon HD 6950 has two 6-pin, and Radeon HD 6970 has one 8-pin and one 6-pin connector.

Maximum resolutions and frequencies:

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

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