Radeon R4 (Beema) and Radeon HD 2600 XT Mac Edition - video card comparison
Radeon R4 (Beema)
Radeon HD 2600 XT Mac Edition
Architecture
GCN 1.1 (2014)
TeraScale (2005−2013)
GPU code name
Beema
RV630
Market segment
Laptop
Desktop
Release date
April 2014
February 2008
Interface
-
PCIe 1.0 x16
Supplementary power connectors
-
None
Core clock speed
800 MHz
700 MHz
Floating-point performance
-
168 gflops
Manufacturing process technology
28 nm
65 nm
Number of transistors
-
390 million
Pipelines / CUDA cores
128
120
Power consumption (TDP)
-
45 Watt
Texture fill rate
-
5.600
Memory type
-
GDDR3
Maximum RAM amount
-
256 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
-
1600 MHz
Memory bandwidth
-
25.6 GB/s
Shared memory
+
-
Display Connectors
-
2x DVI
DirectX
12 (FL 12_0)
10.0 (10_0)
OpenCL
-
N/A
OpenGL
-
3.3
Shader Model
-
4.0
Vulkan
-
N/A