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AMD Radeon HD 6670

AMD Radeon HD 6670 Image AMD Turks Image
The Radeon HD 6670 was a mid-range graphics card by AMD, launched in April 2011. Built on the 40 nm process, and based on the Turks graphics processor, in its Turks XT variant, the card supports DirectX 11.0. The Turks graphics processor is an average sized chip with a die area of 118 mm² and 716 million transistors. It features 480 shading units, 24 texture mapping units and 8 ROPs. AMD has placed 1,024 MB GDDR5 memory on the card, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 800 MHz, memory is running at 1000 MHz.
We recommend the AMD Radeon HD 6670 for gaming with highest details at resolutions up to, and including, 1024x768.
Being a single-slot card, the AMD Radeon HD 6670 does not require any additional power connector, its power draw is rated at 66 W maximum. Display outputs include: 1x DVI, 1x HDMI, 1x VGA. Radeon HD 6670 is connected to the rest of the system using a PCIe 2.0 x16 interface. The card measures 168 mm in length, and features a single-slot cooling solution. Its price at launch was 99 US Dollars.

Graphics Processor

GPU Name: Turks
GPU Variant: Turks XT
Architecture: TeraScale 2
Process Size: 40 nm
Transistors: 716 million
Die Size: 118 mm²

Graphics Card

Released: Apr 19th, 2011
Production Status: End-of-life
Launch Price: 99 USD
Bus Interface: PCIe 2.0 x16

Clock Speeds

GPU Clock: 800 MHz
Memory Clock: 1000 MHz
4000 MHz effective


Memory Size: 1024 MB
Memory Type: GDDR5
Memory Bus: 128 bit
Bandwidth: 64.0 GB/s

Render Config

Shading Units: 480
TMUs: 24
ROPs: 8
Compute Units: 6
Pixel Rate: 6.40 GPixel/s
Texture Rate: 19.20 GTexel/s
Floating-point performance: 768.0 GFLOPS

Board Design

Slot Width: Single-slot
Length: 6.6 inches
168 mm
TDP: 66 W
Outputs: 1x DVI
1x VGA
Power Connectors: None
Board Number: C334

Graphics Features

DirectX: 11.0
OpenGL: 4.3
OpenCL: 1.2
Shader Model: 5.0


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Our review database contains 35 reviews of the Radeon HD 6670.

Retail boards based on this design

Name GPU Clock Memory Clock Other Changes
ASUS HD 6670 DirectCU Silent 800 MHz 900 MHz GDDR3, Dual-slot
GIGABYTE HD 6670 2 GB 800 MHz 800 MHz 2048 MB, GDDR3, 8.34 inches
HIS HD 6670 Dual Fan 800 MHz 1000 MHz 7.64 inches
HIS HD 6670 IceQ 2 GB 800 MHz 1000 MHz 2048 MB, GDDR3
HIS HD 6670 iSilence 4 800 MHz 800 MHz GDDR3, 8.03 inches
HIS HD 6670 iSilence 5 800 MHz 800 MHz GDDR3, 7.68 inches
MSI HD 6670 Dual Fan V5 800 MHz 667 MHz GDDR3, 6.93 inches, Dual-slot
MSI HD 6670 Single Fan V3 800 MHz 1000 MHz 6.93 inches, Dual-slot
MSI HD 6670 Single Fan V5 2 GB 800 MHz 667 MHz 2048 MB, GDDR3, 6.93 inches, Dual-slot
Sapphire HD 6670 HyperMemory 800 MHz 1000 MHz 512 MB, 6.61 inches, Dual-slot, 1x DVI 1x DisplayPort 1x VGA
Sapphire HD 6670 Ultimate 800 MHz 1000 MHz 7.086 inches, Dual-slot, 1x DVI 1x HDMI 1x DisplayPort