
Radeon RX 550 and GeForce GTX 780 Rev. 2 - video card comparison
Radeon RX 550
GeForce GTX 780 Rev. 2
Architecture
GCN 4.0 (2016−2020)
Kepler (2012−2018)
GPU code name
Lexa
GK110B
Market segment
Desktop
Desktop
Release date
April 2017
September 2013
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin + 1x 8-pin
Boost clock speed
1183 MHz
902 MHz
Core clock speed
1100 MHz
863 MHz
Floating-point performance
1,211 gflops
4,156 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
2,200 million
7,080 million
Pipelines / CUDA cores
512
2304
Power consumption (TDP)
50 Watt
250 Watt
Texture fill rate
37.86
173.2
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
3 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
7000 MHz
6008 MHz
Memory bandwidth
112.0 GB/s
288.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
12 (12_0)
12 (11_1)
CUDA
-
3.5
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.2.131
1.1.126