GeForce GT 740 and Radeon R9 255 OEM - video card comparison
GeForce GT 740
Radeon R9 255 OEM
Architecture
Kepler (2012−2018)
GCN 1.0 (2012−2020)
GPU code name
GK107
Cape Verde
Market segment
Desktop
Desktop
Release date
May 2014
December 2013
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Boost clock speed
-
930 MHz
Core clock speed
993 MHz
900 MHz
Floating-point performance
762.6 gflops
952.3 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
1,500 million
Pipelines / CUDA cores
384
512
Power consumption (TDP)
64 Watt
65 Watt
Texture fill rate
31.78
29.76
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
5012 MHz
4600 MHz
Memory bandwidth
80.19 GB/s
73.6 GB/s
Display Connectors
2x DVI, 1x mini-HDMI
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 (11_1)
CUDA
3.0
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.2.131