
GeForce GT 420M and GeForce GT 320 OEM - video card comparison
GeForce GT 420M
GeForce GT 320 OEM
Architecture
Fermi (2010−2014)
Tesla 2.0 (2007−2013)
GPU code name
N11P-GE
GT215
Market segment
Laptop
Desktop
Release date
September 2010
February 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
500 MHz
540 MHz
CUDA cores
96
-
Floating-point performance
192 gflops
187.49 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
585 million
727 million
Pipelines / CUDA cores
96
72
Power consumption (TDP)
23 Watt
43 Watt
Texture fill rate
6.0 billion/sec
12.96
Memory type
(G)DDR3
GDDR3
Maximum RAM amount
1 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
800 MHz
1580 MHz
Memory bandwidth
25.6 GB/s
25.28 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
12 API
11.1 (10_1)
CUDA
+
1.2
OpenCL
1.1
1.1
OpenGL
4.5
3.3
Shader Model
5.1
4.1
Vulkan
N/A
N/A