Radeon HD 6670 and Radeon R7 (Carrizo) - video card comparison
Radeon HD 6670
Radeon R7 (Carrizo)
Architecture
TeraScale 2 (2009−2015)
GCN 1.2/2.0 (2015−2016)
GPU code name
Turks
Carrizo
Market segment
Desktop
Laptop
Release date
April 2011
June 2015
Bus support
PCIe 2.0 x16
-
Interface
PCIe 2.0 x16
-
Supplementary power connectors
None
-
Boost clock speed
800 MHz
800 MHz
Floating-point performance
768.0 gflops
-
Manufacturing process technology
40 nm
28 nm
Number of transistors
716 million
2410 Million
Pipelines / CUDA cores
480
512
Power consumption (TDP)
66 Watt
12-35 Watt
Texture fill rate
19.20
-
Memory type
GDDR5
-
Maximum RAM amount
1 GB
-
Memory bus width
128 Bit
64/128 Bit
Memory clock speed
1050 MHz
-
Memory bandwidth
64 GB/s
-
Shared memory
-
+
Display Connectors
1x DVI, 1x HDMI, 1x VGA
-
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 11
12 (FL 12_0)
Mantle
-
-
OpenCL
1.2
-
OpenGL
4.4
-
Shader Model
5.0
-
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-