GeForce GTS 450 and Radeon RX 550 640SP - video card comparison
GeForce GTS 450
Radeon RX 550 640SP
Architecture
Fermi (2010−2014)
GCN 4.0 (2016−2020)
GPU code name
GF106
Baffin
Market segment
Desktop
Desktop
Release date
September 2010
October 2017
Bus support
PCI-E 2.0 x 16
-
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
6-pin
None
SLI options
+
-
Boost clock speed
-
1071 MHz
Core clock speed
783 MHz
1019 MHz
CUDA cores
192
-
Floating-point performance
601.3 gflops
1,371 gflops
Manufacturing process technology
40 nm
14 nm
Number of transistors
1,170 million
3,000 million
Pipelines / CUDA cores
192
640
Power consumption (TDP)
106 Watt
60 Watt
Maximum GPU temperature
100 °C
-
Texture fill rate
25.1 billion/sec
42.84
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1804 (3608 data rate) MHz
6000 MHz
Memory bandwidth
57.7 GB/s
96 GB/s
Display Connectors
Mini HDMITwo Dual Link DVI
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (12_0)
CUDA
+
-
OpenCL
1.1
2.0
OpenGL
4.2
4.6
Shader Model
5.1
6.4
Vulkan
N/A
1.2.131