GeForce GT 820M and Radeon HD 2900 GT - video card comparison
Passmark - benchmark score GeForce GT 820M vs Radeon HD 2900 GT
GeForce GT 820M
584
Radeon HD 2900 GT
301
GeForce GT 820M
Radeon HD 2900 GT
Architecture
Fermi 2.0 (2010−2014)
TeraScale (2005−2013)
GPU code name
GF117
R600
Market segment
Desktop
Desktop
Release date
November 2013
November 2007
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
-
1x 8-pin
Core clock speed
775 MHz
601 MHz
Floating-point performance
297.6 gflops
288.48 gflops
Manufacturing process technology
28 nm
80 nm
Number of transistors
585 million
720 million
Pipelines / CUDA cores
96
240
Power consumption (TDP)
15 Watt
150 Watt
Texture fill rate
12.40
7.212
Memory type
DDR3
GDDR3
Maximum RAM amount
1 GB
256 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
1800 MHz
1600 MHz
Memory bandwidth
14.4 GB/s
51.2 GB/s
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 (11_0)
10.0 (10_0)
CUDA
2.1
-
OpenCL
1.1
N/A
OpenGL
4.6
3.3
Shader Model
5.1
4.0
Vulkan
N/A
N/A