GeForce GT 620M and GeForce 8400M GT - video card comparison
Passmark - benchmark score GeForce GT 620M vs GeForce 8400M GT
GeForce GT 620M
447
GeForce 8400M GT
68
GeForce GT 620M
GeForce 8400M GT
Architecture
Fermi (2010−2014)
Tesla (2006−2010)
GPU code name
N13P-GLP / N13M-GS
G86M
Market segment
Laptop
Laptop
Release date
March 2012
May 2007
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Boost clock speed
715 MHz
-
Core clock speed
Up to 625 MHz
450 MHz
CUDA cores
96
-
Floating-point performance
253.4 gflops
28.8 gflops
Manufacturing process technology
40 nm
80 nm
Number of transistors
585 million
210 million
Pipelines / CUDA cores
96
16
Power consumption (TDP)
15 Watt
14 Watt
Texture fill rate
Up to 10.0 billion/sec
3.600
Memory type
DDR3
GDDR3 / GDDR2
Maximum RAM amount
1 GB
512 MB
Memory bus width
Up to 128bit
128 Bit
Memory clock speed
1800 MHz
600 MHz
Memory bandwidth
Up to 28.8 GB/s
19.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
11.1 (10_0)
CUDA
+
1.1
OpenCL
1.1
1.1
OpenGL
4.5
3.3
Shader Model
5.1
4.0
Vulkan
N/A
N/A
3D Blu-Ray
+
-
Optimus
+
-