Radeon HD 6850 and Radeon HD 7670 OEM - video card comparison
Radeon HD 6850
Radeon HD 7670 OEM
Architecture
TeraScale 2 (2009−2015)
TeraScale 2 (2009−2015)
GPU code name
Barts
Turks
Market segment
Desktop
Desktop
Release date
October 2010
January 2012
Bus support
AGP
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
None
Core clock speed
-
800 MHz
Floating-point performance
1,488.0 gflops
768.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,700 million
716 million
Pipelines / CUDA cores
960
480
Power consumption (TDP)
127 Watt
66 Watt
Texture fill rate
37.20
19.20
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
512 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
4000 MHz
Memory bandwidth
128.0 GB/s
64 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x DisplayPort, 1x VGA
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
11.2 (11_0)
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.4
Shader Model
5.0
5.0
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-