Radeon RX 550 and Radeon HD 6790 - video card comparison
Passmark - benchmark score Radeon RX 550 vs Radeon HD 6790
Radeon RX 550
2809
Radeon HD 6790
1664
Radeon RX 550
Radeon HD 6790
Architecture
GCN 4.0 (2016−2020)
Terascale 2 (2009−2015)
GPU code name
Lexa
Barts
Market segment
Desktop
Desktop
Release date
April 2017
April 2011
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
2x 6-pin
Boost clock speed
1183 MHz
-
Core clock speed
1100 MHz
840 MHz
Floating-point performance
1,211 gflops
1,344.0 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
2,200 million
1,700 million
Pipelines / CUDA cores
512
800
Power consumption (TDP)
50 Watt
150 Watt
Texture fill rate
37.86
33.60
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
7000 MHz
1050 MHz
Memory bandwidth
112.0 GB/s
134.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
12 (12_0)
11.2 (11_0)
OpenCL
2.0
1.2
OpenGL
4.6
4.4
Shader Model
6.4
5.0
Vulkan
1.2.131
N/A