GeForce GTX 580 and GeForce 820M - video card comparison
Passmark - benchmark score GeForce GTX 580 vs GeForce 820M
GeForce GTX 580
4702
GeForce 820M
511
GeForce GTX 580
GeForce 820M
Architecture
Fermi (2010−2014)
Fermi (2010−2014)
GPU code name
GF110
N15V-GM
Market segment
Desktop
Laptop
Release date
November 2010
January 2014
Bus support
PCI-E 2.0 x 16
PCI Express 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
One 6-pin and One 8-pin
-
SLI options
+
-
Core clock speed
772 MHz
775 MHz
CUDA cores
512
-
Floating-point performance
1,581.1 gflops
240.0 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
3,000 million
585 million
Pipelines / CUDA cores
512
96
Power consumption (TDP)
244 Watt
15 Watt
Maximum GPU temperature
97 °C
-
Texture fill rate
49.4 billion/sec
10.00
Memory type
GDDR5
DDR3
Maximum RAM amount
1536 MB
2 GB
Memory bus width
384 Bit
64 Bit
Memory clock speed
2004 MHz (4008 data rate)
1800 MHz
Memory bandwidth
192.4 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
Mini HDMITwo Dual Link DVI
No outputs
Multi monitor support
+
-
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_0)
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.2
4.5
Shader Model
5.1
5.1
Vulkan
+
N/A
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+