Radeon HD 8670D and Radeon HD 6670 - video card comparison
Passmark - benchmark score Radeon HD 8670D vs Radeon HD 6670
Radeon HD 8670D
545
Radeon HD 6670
752
Radeon HD 8670D
Radeon HD 6670
Architecture
Terascale 3 (2010−2013)
TeraScale 2 (2009−2015)
GPU code name
Richland
Turks
Market segment
Desktop
Desktop
Release date
June 2013
April 2011
Bus support
-
PCIe 2.0 x16
Interface
IGP
PCIe 2.0 x16
Supplementary power connectors
-
None
Boost clock speed
950 MHz
800 MHz
Core clock speed
844 MHz
-
Floating-point performance
-
768.0 gflops
Manufacturing process technology
32 nm
40 nm
Number of transistors
1,303 million
716 million
Pipelines / CUDA cores
384
480
Power consumption (TDP)
100 Watt
66 Watt
Texture fill rate
22.80
19.20
Memory type
System Shared
GDDR5
Maximum RAM amount
System Shared
1 GB
Memory bus width
System Shared
128 Bit
Memory clock speed
System Shared
1050 MHz
Memory bandwidth
-
64 GB/s
Shared memory
+
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA
Eyefinity
-
1
HDMI
-
+
DisplayPort support
-
-
DirectX
11.2 (11_0)
DirectX® 11
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
-
-