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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