Radeon HD 7660D and Radeon R7 340 OEM - video card comparison
Radeon HD 7660D
Radeon R7 340 OEM
Architecture
Terascale 3 (2010−2013)
GCN 1.0 (2012−2020)
GPU code name
Trinity
Oland
Market segment
Desktop
Desktop
Release date
September 2012
May 2015
Interface
IGP
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
800 MHz
780 MHz
Core clock speed
633 MHz
730 MHz
Floating-point performance
-
599.0 gflops
Manufacturing process technology
32 nm
28 nm
Number of transistors
1,303 million
950 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
100 Watt
50 Watt
Texture fill rate
19.20
18.72
Memory type
System Shared
DDR3
Maximum RAM amount
System Shared
2 GB
Memory bus width
System Shared
128 Bit
Memory clock speed
System Shared
1800 MHz
Memory bandwidth
-
28.8 GB/s
Shared memory
+
-
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