Radeon HD 7670A and Radeon R7 340 OEM - video card comparison
Radeon HD 7670A
Radeon R7 340 OEM
Architecture
TeraScale 2 (2009−2015)
GCN 1.0 (2012−2020)
GPU code name
Turks
Oland
Market segment
Desktop
Desktop
Release date
January 2012
May 2015
Interface
MXM-A (3.0)
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
-
780 MHz
Core clock speed
600 MHz
730 MHz
Floating-point performance
576.0 gflops
599.0 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
716 million
950 million
Pipelines / CUDA cores
480
384
Power consumption (TDP)
45 Watt
50 Watt
Texture fill rate
14.40
18.72
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4000 MHz
1800 MHz
Memory bandwidth
64 GB/s
28.8 GB/s
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
11.2 (11_0)
12 (11_1)
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
1.2.131