Radeon R4 (Beema) and Radeon R5 (Kaveri) - video card comparison
Radeon R4 (Beema)
Radeon R5 (Kaveri)
Architecture
GCN 1.1 (2014)
GCN 1.1 (2014)
GPU code name
Beema
Kaveri
Market segment
Laptop
Laptop
Release date
April 2014
June 2014
Boost clock speed
-
626 MHz
Core clock speed
800 MHz
514 MHz
Manufacturing process technology
28 nm
28 nm
Number of transistors
-
2410 Million
Pipelines / CUDA cores
128
256
Memory bus width
64 Bit
64/128 Bit
Shared memory
+
+
DirectX
12 (FL 12_0)
12 (FL 12_0)