
Radeon HD 6850 1440SP Edition and GeForce GT 630 Rev. 2 - video card comparison
Radeon HD 6850 1440SP Edition
GeForce GT 630 Rev. 2
Architecture
TeraScale 2 (2009−2015)
Kepler 2.0 (2013−2015)
GPU code name
Cypress
GK208
Market segment
Desktop
Desktop
Release date
August 2012
May 2013
Interface
PCIe 2.0 x16
PCIe 2.0 x8
Supplementary power connectors
2x 6-pin
None
Core clock speed
725 MHz
902 MHz
Floating-point performance
2,088 gflops
692.7 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
2,154 million
915 million
Pipelines / CUDA cores
1440
384
Power consumption (TDP)
151 Watt
25 Watt
Texture fill rate
52.20
28.86
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
4000 MHz
1800 MHz
Memory bandwidth
128.0 GB/s
14.4 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x VGA
HDMI
+
+
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
3.5
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
1.1.126