Radeon HD 6970 and Radeon HD 8670D - video card comparison
Passmark - benchmark score Radeon HD 6970 vs Radeon HD 8670D
Radeon HD 6970
2921
Radeon HD 8670D
545
Radeon HD 6970
Radeon HD 8670D
Architecture
Terascale 2 (2009−2015)
Terascale 3 (2010−2013)
GPU code name
Cayman
Richland
Market segment
Desktop
Desktop
Release date
December 2010
June 2013
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
IGP
Supplementary power connectors
1x 6-pin + 1x 8-pin
-
Boost clock speed
880 MHz
950 MHz
Core clock speed
-
844 MHz
Floating-point performance
2,703.4 gflops
-
Manufacturing process technology
40 nm
32 nm
Number of transistors
2,640 million
1,303 million
Pipelines / CUDA cores
1536
384
Power consumption (TDP)
550 Watt
100 Watt
Texture fill rate
84.48
22.80
Memory type
DDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
1375 MHz
System Shared
Shared memory
-
+
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
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
-
-