Radeon R7 340 OEM and Radeon HD 7670 OEM - video card comparison
Radeon R7 340 OEM
Radeon HD 7670 OEM
Architecture
GCN 1.0 (2012−2020)
TeraScale 2 (2009−2015)
GPU code name
Oland
Turks
Market segment
Desktop
Desktop
Release date
May 2015
January 2012
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
780 MHz
-
Core clock speed
730 MHz
800 MHz
Floating-point performance
599.0 gflops
768.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
950 million
716 million
Pipelines / CUDA cores
384
480
Power consumption (TDP)
50 Watt
66 Watt
Texture fill rate
18.72
19.20
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1800 MHz
4000 MHz
Memory bandwidth
28.8 GB/s
64 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x DisplayPort, 1x VGA
HDMI
+
-
DirectX
12 (11_1)
11.2 (11_0)
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
1.2.131
N/A