GeForce GT 740 and Radeon RX 550 640SP - video card comparison
GeForce GT 740
Radeon RX 550 640SP
Architecture
Kepler (2012−2018)
GCN 4.0 (2016−2020)
GPU code name
GK107
Baffin
Market segment
Desktop
Desktop
Release date
May 2014
October 2017
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
None
Boost clock speed
-
1071 MHz
Core clock speed
993 MHz
1019 MHz
Floating-point performance
762.6 gflops
1,371 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,270 million
3,000 million
Pipelines / CUDA cores
384
640
Power consumption (TDP)
64 Watt
60 Watt
Texture fill rate
31.78
42.84
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
5012 MHz
6000 MHz
Memory bandwidth
80.19 GB/s
96 GB/s
Display Connectors
2x DVI, 1x mini-HDMI
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
12 (11_0)
12 (12_0)
CUDA
3.0
-
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.2.131