GeForce 805A and Radeon HD 2900 GT - video card comparison
GeForce 805A
Radeon HD 2900 GT
Architecture
Kepler 2.0 (2013−2015)
TeraScale (2005−2013)
GPU code name
GK208
R600
Market segment
Desktop
Desktop
Release date
July 2014
November 2007
Interface
PCIe 3.0 x8
PCIe 1.0 x16
Supplementary power connectors
-
1x 8-pin
Boost clock speed
758 MHz
-
Core clock speed
719 MHz
601 MHz
Floating-point performance
297.6 gflops
288.48 gflops
Manufacturing process technology
28 nm
80 nm
Number of transistors
915 million
720 million
Pipelines / CUDA cores
192
240
Power consumption (TDP)
15 Watt
150 Watt
Texture fill rate
12.13
7.212
Memory type
DDR3
GDDR3
Maximum RAM amount
1 GB
256 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
2002 MHz
1600 MHz
Memory bandwidth
16.02 GB/s
51.2 GB/s
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 (11_0)
10.0 (10_0)
CUDA
3.5
-
OpenCL
1.2
N/A
OpenGL
4.6
3.3
Shader Model
5.1
4.0
Vulkan
1.1.126
N/A