HD Graphics 3000 and GeForce GT 420 OEM - video card comparison
HD Graphics 3000
GeForce GT 420 OEM
Architecture
Gen. 6 Sandy Bridge (2011)
Fermi (2010−2014)
GPU code name
Sandy Bridge
GF108
Market segment
Laptop
Desktop
Release date
February 2011
September 2010
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
None
Boost clock speed
1350 MHz
-
Core clock speed
350 MHz
700 MHz
Floating-point performance
20.4 gflops
134.4 gflops
Manufacturing process technology
32 nm
40 nm
Number of transistors
995 million
585 million
Pipelines / CUDA cores
12
48
Power consumption (TDP)
unknown
50 Watt
Texture fill rate
13.80
2.800
Memory type
System Shared
DDR3
Maximum RAM amount
System Shared
1 GB
Memory bus width
64/128 Bit
128 Bit
Memory clock speed
System Shared
1800 MHz
Memory bandwidth
-
28.8 GB/s
Shared memory
+
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
11.1 (10_1)
12 (11_0)
CUDA
-
2.1
OpenCL
N/A
1.1
OpenGL
3.1
4.6
Shader Model
4.1
5.1
Vulkan
N/A
N/A