GeForce 920A and Radeon HD 4855 - video card comparison
GeForce 920A
Radeon HD 4855
Architecture
Kepler 2.0 (2013−2015)
TeraScale (2005−2013)
GPU code name
GK208B
RV770
Market segment
Desktop
Desktop
Release date
March 2015
January 2010
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
954 MHz
575 MHz
Floating-point performance
441.6 gflops
736.0 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
915 million
956 million
Pipelines / CUDA cores
384
640
Power consumption (TDP)
33 Watt
110 Watt
Texture fill rate
30.53
18.40
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
512 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
2002 MHz
3600 MHz
Memory bandwidth
16.02 GB/s
115.2 GB/s
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
12 (11_0)
10.1 (10_1)
CUDA
3.5
-
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
1.1.126
N/A