GeForce GT 740 OEM and Radeon R5 A255 - video card comparison
GeForce GT 740 OEM
Radeon R5 A255
Architecture
Kepler (2012−2018)
GCN 3.0 (2014−2017)
GPU code name
GK106
Topaz
Market segment
Desktop
Desktop
Release date
April 2015
2014
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
-
Boost clock speed
-
940 MHz
Core clock speed
1050 MHz
925 MHz
Floating-point performance
772.6 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,540 million
1,550 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
65 Watt
-
Texture fill rate
33.60
22.56
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
5012 MHz
4 GB/s
Memory bandwidth
80.19 GB/s
64 GB/s
Display Connectors
No outputs
Portable Device Dependent
DirectX
12 (11_0)
12 (12_0)
CUDA
3.0
-
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.5
Vulkan
1.1.126
1.2.170