Quadro K420 and HD Graphics 2500 - video card comparison
Quadro K420
HD Graphics 2500
Architecture
Kepler (2012−2018)
Gen. 7 Ivy Bridge (2011−2012)
GPU code name
GK107
Ivy Bridge GT1
Market segment
Workstation
Laptop
Release date
July 2014
April 2012
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
None
-
Boost clock speed
-
1150 MHz
Core clock speed
876 MHz
650 MHz
Floating-point performance
336.4 gflops
13.8 gflops
Manufacturing process technology
28 nm
22 nm
Number of transistors
1,270 million
392 million
Pipelines / CUDA cores
192
6
Power consumption (TDP)
41 Watt
unknown
Texture fill rate
14.02
6.900
Memory type
128 Bit
System Shared
Maximum RAM amount
1 GB/2 GB
System Shared
Memory bus width
128 Bit
64/128 Bit
Memory clock speed
1782 MHz
System Shared
Memory bandwidth
Up to 29 GB/s
-
Shared memory
-
+
Display Connectors
DVI-I DP
No outputs
Number of simultaneous displays
4
-
DirectX
12
11.1 (11_0)
CUDA
3.0
-
OpenCL
1.2
1.2
OpenGL
4.5
4.0
Shader Model
5
5.0
Vulkan
+
1.1.80
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-