Radeon R4 (Beema) and Radeon R3 (Mullins/Beema) - video card comparison
Radeon R4 (Beema)
Radeon R3 (Mullins/Beema)
Architecture
GCN 1.1 (2014)
GCN 1.1 (2014)
GPU code name
Beema
Beema/Mullins
Market segment
Laptop
Laptop
Release date
April 2014
April 2014
Boost clock speed
-
686 MHz
Core clock speed
800 MHz
350 MHz
Manufacturing process technology
28 nm
28 nm
Pipelines / CUDA cores
128
128
Memory bus width
64 Bit
64 Bit
Shared memory
+
+
DirectX
12 (FL 12_0)
12 (FL 12_0)