Radeon R4 (Kaveri) and Radeon 540X - video card comparison
Radeon R4 (Kaveri)
Radeon 540X
Architecture
GCN 1.1 (2014)
GCN 4.0 (2016−2020)
GPU code name
Kaveri
Lexa
Market segment
Laptop
Laptop
Release date
June 2014
August 2019
Interface
-
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
-
1219 MHz
Core clock speed
533 MHz
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
2410 Million
2,200 million
Pipelines / CUDA cores
192
512
Power consumption (TDP)
-
50 Watt
Texture fill rate
-
33.47
Memory type
-
GDDR5
Maximum RAM amount
-
2 GB
Memory bus width
64/128 Bit
64 Bit
Memory clock speed
-
6000 MHz
Memory bandwidth
-
112.0 GB/s
Shared memory
+
-
Display Connectors
-
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 (FL 12_0)
12 (12_0)
OpenCL
-
2.0
OpenGL
-
4.6
Shader Model
-
6.4
Vulkan
-
1.2.131