Radeon R3 Graphics and GeForce 7900 GX2 - video card comparison
Radeon R3 Graphics
GeForce 7900 GX2
Architecture
GCN 2.0 (2013−2017)
Curie (2003−2013)
GPU code name
Beema
G71
Market segment
Desktop
Desktop
Release date
January 2015
April 2006
Interface
IGP
PCIe 1.0 x16
Supplementary power connectors
-
2x 6-pin
Boost clock speed
600 MHz
-
Core clock speed
267 MHz
500 MHz
Floating-point performance
153.6 gflops
-
Manufacturing process technology
28 nm
90 nm
Number of transistors
930 million
278 million
Pipelines / CUDA cores
128
-
Power consumption (TDP)
15 Watt
-
Texture fill rate
4.800
12.00
Memory type
System Shared
GDDR3
Maximum RAM amount
System Shared
512 MB
Memory bus width
System Shared
256 Bit
Memory clock speed
System Shared
1200 MHz
Memory bandwidth
-
38.4 GB/s
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 (12_0)
9.0c (9_3)
OpenCL
2.0
N/A
OpenGL
4.6
2.1
Shader Model
6.3
3.0
Vulkan
1.2.131
N/A