Radeon HD 6950 and Radeon HD 6570 - video card comparison
Passmark - benchmark score Radeon HD 6950 vs Radeon HD 6570
Radeon HD 6950
2693
Radeon HD 6570
572
Radeon HD 6950
Radeon HD 6570
Architecture
TeraScale 3 (2010−2013)
TeraScale 2 (2009−2015)
GPU code name
Cayman
Turks
Market segment
Desktop
Desktop
Release date
December 2010
April 2011
Bus support
PCIe 2.0 x16
PCIe 2.1 x16
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
None
Boost clock speed
800 MHz
650 MHz
Floating-point performance
2,252.8 gflops
624.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
2,640 million
716 million
Pipelines / CUDA cores
1408
480
Power consumption (TDP)
500 Watt
40 Watt
Texture fill rate
70.40
15.60
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1250 MHz
900 MHz
Memory bandwidth
-
28.8 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
-
-
UVD
-
+
ZeroCore
-
-