Radeon HD 7970M Crossfire and Radeon RX 540 - video card comparison
Radeon HD 7970M Crossfire
Radeon RX 540
Architecture
GCN (2011−2017)
Polaris (2016−2019)
GPU code name
Wimbledon XT
Polaris 12
Market segment
Laptop
Laptop
Release date
May 2012
March 2017
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
-
1219 MHz
Core clock speed
850 MHz
-
Floating-point performance
-
1,248 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
-
1,500 million
Pipelines / CUDA cores
2560
512
Power consumption (TDP)
200 Watt
75 Watt
Texture fill rate
-
39.01
Memory type
GDDR5
GDDR5
Maximum RAM amount
-
4 GB
Memory bus width
2x 256 Bit
128 Bit
Memory clock speed
4800 MHz
6000 MHz
Memory bandwidth
-
96 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
DirectX
11.1
12.0
OpenCL
-
1.2
OpenGL
-
4.6
Shader Model
-
5.0
FreeSync
-
+