Radeon HD 6850 and Radeon HD 6670 - video card comparison
Passmark - benchmark score Radeon HD 6850 vs Radeon HD 6670
Radeon HD 6850
2030
Radeon HD 6670
752
Radeon HD 6850
Radeon HD 6670
Architecture
TeraScale 2 (2009−2015)
TeraScale 2 (2009−2015)
GPU code name
Barts
Turks
Market segment
Desktop
Desktop
Release date
October 2010
April 2011
Bus support
AGP
PCIe 2.0 x16
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
None
Boost 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
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
1050 MHz
Memory bandwidth
128.0 GB/s
64 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x HDMI, 1x VGA
Eyefinity
1
1
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 11
DirectX® 11
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.4
Shader Model
5.0
5.0
AppAcceleration
-
-
CrossFire
1
1
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-