Radeon RX 550 and Radeon HD 7970M - video card comparison
Passmark - benchmark score Radeon RX 550 vs Radeon HD 7970M
Radeon RX 550
2809
Radeon HD 7970M
3635
Radeon RX 550
Radeon HD 7970M
Architecture
GCN 4.0 (2016−2020)
GCN (2011−2017)
GPU code name
Lexa
Wimbledon XT
Market segment
Desktop
Laptop
Release date
April 2017
May 2012
Interface
PCIe 3.0 x8
MXM-B (3.0)
Supplementary power connectors
None
None
Boost clock speed
1183 MHz
-
Core clock speed
1100 MHz
850 MHz
Floating-point performance
1,211 gflops
2,176 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
2,200 million
2,800 million
Pipelines / CUDA cores
512
1280
Power consumption (TDP)
50 Watt
100 Watt
Texture fill rate
37.86
68.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
7000 MHz
4800 MHz
Memory bandwidth
112.0 GB/s
153.6 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
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