GeForce 820M and GeForce 9400 GT - video card comparison
Passmark - benchmark score GeForce 820M vs GeForce 9400 GT
GeForce 820M
511
GeForce 9400 GT
148
GeForce 820M
GeForce 9400 GT
Architecture
Fermi (2010−2014)
Tesla (2006−2010)
GPU code name
N15V-GM
G96C
Market segment
Laptop
Desktop
Release date
January 2014
August 2008
Bus support
PCI Express 2.0
PCI-E 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
None
SLI options
-
+
Core clock speed
775 MHz
550 MHz
CUDA cores
-
16
Floating-point performance
240.0 gflops
29.376 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
585 million
314 million
Pipelines / CUDA cores
96
16
Power consumption (TDP)
15 Watt
50 Watt
Maximum GPU temperature
-
105 °C
Texture fill rate
10.00
4.4 billion/sec
Memory type
DDR3
DDR2
Maximum RAM amount
2 GB
512 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
1800 MHz
400 MHz
Memory bandwidth
14.4 GB/s
12.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
Dual Link DVI
Multi monitor support
-
+
HDMI
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
S/PDIF
DirectX
12 (11_0)
11.1 (10_0)
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.5
2.1
Shader Model
5.1
4.0
Vulkan
N/A
N/A
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-