Radeon R7 340 OEM and Whistler - video card comparison
Radeon R7 340 OEM
Whistler
Architecture
GCN 1.0 (2012−2020)
TeraScale 2 (2009−2015)
GPU code name
Oland
Whistler
Market segment
Desktop
Desktop
Release date
May 2015
-
Interface
PCIe 3.0 x8
-
Supplementary power connectors
None
-
Boost clock speed
780 MHz
-
Core clock speed
730 MHz
-
Floating-point performance
599.0 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
-
Texture fill rate
18.72
-
Memory type
DDR3
-
Maximum RAM amount
2 GB
-
Memory bus width
128 Bit
-
Memory clock speed
1800 MHz
-
Memory bandwidth
28.8 GB/s
-
Display Connectors
1x DVI, 1x HDMI, 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