GeForce GTX 650 and GeForce 820A - video card comparison
Passmark - benchmark score GeForce GTX 650 vs GeForce 820A
GeForce GTX 650
1801
GeForce 820A
572
GeForce GTX 650
GeForce 820A
Architecture
Kepler (2012−2018)
Fermi 2.0 (2010−2014)
GPU code name
GK107
GF117
Market segment
Desktop
Desktop
Release date
September 2012
March 2014
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
One 6-pin
-
Core clock speed
1058 MHz
775 MHz
CUDA cores
384
-
Floating-point performance
812.5 gflops
297.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
585 million
Pipelines / CUDA cores
384
96
Power consumption (TDP)
64 Watt
15 Watt
Texture fill rate
33.9 billion/sec
12.40
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
128-bit GDDR5
64 Bit
Memory clock speed
5.0 GB/s
1800 MHz
Memory bandwidth
80.0 GB/s
14.4 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One Mini HDMI
No outputs
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_0)
CUDA
+
2.1
OpenCL
1.2
1.1
OpenGL
4.3
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
N/A
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-