AMD has completed its DirectX 11 series and taken care of nearly all price ranges. The last to be rolled out are the low-end RADEON HD 56xx series (cheaper than $100) and ultralow-end RADEON HD 55xx/54xx series (cheaper than $70).

Today we are going to review ATI RADEON HD 5760 (formerly codenamed Redwood) -- the company's latest offering which supports all recent innovations. Priced a bit cheaper than $100, this solution succeeds RADEON HD 4670, providing higher performance and richer features.

We shall test two cards: the reference one and a product from HIS. There's no need to describe DirectX 11 and other new features, as we have already done that while reviewing RADEON HD 5870.

Design

Reference ATI RADEON HD 5670 512MB
GPU: RADEON HD 5670 (Redwood) Interface: PCI-Express x16 GPU (ROPs/Shaders) clock rate: 775/775 MHz (nominal) Memory clock rate, physical (effective): 1000 (4000) MHz (nominal) Bus width: 128-bit Vertex processors: - Pixel processors: - Unified processors: 400 Texture processors: 20 ROPs: 12 Size: 190x100x16 mm PCB color: black RAMDACs/TDMS: integrated into GPU Outputs: DVI (Dual-Link/HDMI), Display Port, HDMI VIVO: - Multi-GPU: Software CrossFire
HIS IceQ RADEON HD 5670 512MB
GPU: RADEON HD 5670 (Redwood) Interface: PCI-Express x16 GPU (ROPs/Shaders) clock rate: 775/775 MHz (nominal) Memory clock rate, physical (effective): 1000 (4000) MHz (nominal) Bus width: 128-bit Vertex processors: - Pixel processors: - Unified processors: 400 Texture processors: 20 ROPs: 12 Size: 190x100x32 mm PCB color: blue RAMDACs/TDMS: integrated into GPU Outputs: DVI (Dual-Link/HDMI), Display Port, HDMI VIVO: - Multi-GPU: Software CrossFire

Reference ATI RADEON HD 5670 512MB HIS IceQ RADEON HD 5670 512MB
512MB GDDR5 SDRAM 4 Hynix chips on the front side of the PCB. Peak clock rate 1000 (4000) MHz.

Comparison with the reference design, front view
HIS IceQ RADEON HD 5670 512MB	Reference card ATI RADEON HD 4670
Reference ATI RADEON HD 5670 512MB

Comparison with the reference design, rear view
HIS IceQ RADEON HD 5670 512MB	Reference card ATI RADEON HD 4670
Reference ATI RADEON HD 5670 512MB

As we can see, the layout resembles that of the preceding solution. The difference is that HD 4670 works with GDDR3 memory, while HD 5670 uses GDDR5. The power supply unit has also been modified due to different core and memory voltages.

This card features its own audio codec, so nothing else is required to output audio to HDMI.

This card has no additional power connectors.

Maximum resolutions and frequencies:

• 240 Hz maximum refresh rate
• 2048 x 1536 x 32bit @ 85Hz Max -- analog interface
• 2560 x 1600 @ 60Hz Max -- digital interface (Dual-Link DVI/HDMI)

As for the HDTV support, a review is available here.

Check the prices of these graphics cards at Newegg, Amazon.

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