Radeon R5 340X OEM and Radeon HD 7950 Boost - video card comparison
Radeon R5 340X OEM
Radeon HD 7950 Boost
Architecture
GCN 1.0 (2012−2020)
GCN 1.0 (2012−2020)
GPU code name
Oland
Tahiti
Market segment
Desktop
Desktop
Release date
May 2015
June 2012
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
2x 6-pin
Boost clock speed
1050 MHz
925 MHz
Core clock speed
900 MHz
850 MHz
Floating-point performance
806.4 gflops
3,315 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
950 million
4,313 million
Pipelines / CUDA cores
384
1792
Power consumption (TDP)
65 Watt
200 Watt
Texture fill rate
21.60
103.6
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
3 GB
Memory bus width
64 Bit
384 Bit
Memory clock speed
2000 MHz
5000 MHz
Memory bandwidth
16 GB/s
240.0 GB/s
Display Connectors
1x DVI, 1x DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
HDMI
-
+
DirectX
12 (11_1)
12 (11_1)
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.2.131
1.2.131