Radeon RX 550 and Radeon HD 7640G + HD 7670M Dual Graphics - video card comparison
Radeon RX 550
Radeon HD 7640G + HD 7670M Dual Graphics
Architecture
GCN 4.0 (2016−2020)
Terascale 3 (2010−2013)
GPU code name
Lexa
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Market segment
Desktop
Laptop
Release date
April 2017
May 2012
Interface
PCIe 3.0 x8
-
Supplementary power connectors
None
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Boost clock speed
1183 MHz
-
Core clock speed
1100 MHz
655 / 600 MHz
Floating-point performance
1,211 gflops
-
Manufacturing process technology
14 nm
40 nm
Number of transistors
2,200 million
-
Pipelines / CUDA cores
512
736
Power consumption (TDP)
50 Watt
-
Texture fill rate
37.86
-
Memory type
GDDR5
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Maximum RAM amount
4 GB
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Memory bus width
128 Bit
128 Bit
Memory clock speed
7000 MHz
1800 MHz
Memory bandwidth
112.0 GB/s
-
Shared memory
-
+
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
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HDMI
+
-
DirectX
12 (12_0)
11
OpenCL
2.0
-
OpenGL
4.6
-
Shader Model
6.4
-
Vulkan
1.2.131
-