Radeon RX 550 Mobile and Radeon HD 7970M - video card comparison
Radeon RX 550 Mobile
Radeon HD 7970M
Architecture
Polaris (2016−2019)
GCN (2011−2017)
GPU code name
Polaris 12
Wimbledon XT
Market segment
Laptop
Laptop
Release date
March 2017
May 2012
Interface
PCIe 3.0 x8
MXM-B (3.0)
Supplementary power connectors
-
None
Boost clock speed
1476 MHz
-
Core clock speed
1287 MHz
850 MHz
Floating-point performance
1,647 gflops
2,176 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
2,200 million
2,800 million
Pipelines / CUDA cores
640
1280
Power consumption (TDP)
50 Watt
100 Watt
Texture fill rate
51.48
68.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
6000 MHz
4800 MHz
Memory bandwidth
96 GB/s
153.6 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_0)
12 (11_1)
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.2.131
1.2.131
FreeSync
+
-