GeForce 9800 GTX+ and GeForce 820M - video card comparison
Passmark - benchmark score GeForce 9800 GTX+ vs GeForce 820M
GeForce 9800 GTX+
521
GeForce 820M
511
GeForce 9800 GTX+
GeForce 820M
Architecture
Tesla (2006−2010)
Fermi (2010−2014)
GPU code name
G92B
N15V-GM
Market segment
Desktop
Laptop
Release date
January 2009
January 2014
Bus support
-
PCI Express 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
-
SLI options
+
-
Core clock speed
738 MHz
775 MHz
CUDA cores
128
-
Floating-point performance
470.0 gflops
240.0 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
754 million
585 million
Pipelines / CUDA cores
128
96
Power consumption (TDP)
141 Watt
15 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
47.2 billion/sec
10.00
Memory type
GDDR3
DDR3
Maximum RAM amount
512 MB
2 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1100 MHz
1800 MHz
Memory bandwidth
70.4 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
HDTVDual Link DVI
No outputs
Multi monitor support
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
12 (11_0)
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
2.1
4.5
Shader Model
4.0
5.1
Vulkan
N/A
N/A
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+