
Radeon R4 Graphics and Radeon HD 2900 GT - video card comparison
Radeon R4 Graphics
Radeon HD 2900 GT
Architecture
GCN 2.0 (2013−2017)
TeraScale (2005−2013)
GPU code name
Beema
R600
Market segment
Desktop
Desktop
Release date
June 2014
November 2007
Interface
IGP
PCIe 1.0 x16
Supplementary power connectors
-
1x 8-pin
Core clock speed
800 MHz
601 MHz
Floating-point performance
204.8 gflops
288.48 gflops
Manufacturing process technology
28 nm
80 nm
Number of transistors
930 million
720 million
Pipelines / CUDA cores
128
240
Power consumption (TDP)
15 Watt
150 Watt
Texture fill rate
6.400
7.212
Memory type
System Shared
GDDR3
Maximum RAM amount
System Shared
256 MB
Memory bus width
System Shared
256 Bit
Memory clock speed
System Shared
1600 MHz
Memory bandwidth
-
51.2 GB/s
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 (12_0)
10.0 (10_0)
OpenCL
2.0
N/A
OpenGL
4.6
3.3
Shader Model
6.3
4.0
Vulkan
1.2.131
N/A