Radeon R6 (Mullins) and Radeon R4 (Kaveri) - video card comparison
Radeon R6 (Mullins)
Radeon R4 (Kaveri)
Architecture
GCN 1.1 (2014)
GCN 1.1 (2014)
GPU code name
Mullins
Kaveri
Market segment
Laptop
Laptop
Release date
April 2014
June 2014
Core clock speed
500 MHz
533 MHz
Manufacturing process technology
28 nm
28 nm
Number of transistors
-
2410 Million
Pipelines / CUDA cores
128
192
Memory bus width
64 Bit
64/128 Bit
Shared memory
+
+
DirectX
12 (FL 12_0)
12 (FL 12_0)