
Radeon R7 Graphics and Radeon X1900 GT - video card comparison
Radeon R7 Graphics
Radeon X1900 GT
Architecture
GCN 2.0 (2013−2017)
R500 (2005−2007)
GPU code name
Spectre
R580
Market segment
Desktop
Desktop
Release date
January 2014
May 2006
Interface
IGP
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
980 MHz
-
Core clock speed
686 MHz
575 MHz
Floating-point performance
526.8 gflops
-
Manufacturing process technology
28 nm
90 nm
Number of transistors
2,410 million
384 million
Pipelines / CUDA cores
512
-
Power consumption (TDP)
15 Watt
75 Watt
Texture fill rate
31.36
6.900
Memory type
System Shared
GDDR3
Maximum RAM amount
System Shared
256 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
2.0
Shader Model
6.0
3.0
Vulkan
1.2.131
N/A