HD Graphics 2000 and GeForce GTX 645 OEM - video card comparison
HD Graphics 2000
GeForce GTX 645 OEM
Architecture
Gen. 6 Sandy Bridge (2011)
Kepler (2012−2018)
GPU code name
Sandy Bridge
GK106
Market segment
Laptop
Desktop
Release date
February 2011
April 2013
Interface
PCIe 1.0 x16
PCIe 3.0 x16
Supplementary power connectors
-
None
Boost clock speed
1350 MHz
-
Core clock speed
850/1100 MHz
824 MHz
Floating-point performance
10.2 gflops
949.2 gflops
Manufacturing process technology
32 nm
28 nm
Number of transistors
189 million
2,540 million
Pipelines / CUDA cores
6
576
Power consumption (TDP)
unknown
65 Watt
Texture fill rate
8.100
39.55
Memory type
System Shared
GDDR5
Maximum RAM amount
System Shared
1 GB
Memory bus width
64/128 Bit
128 Bit
Memory clock speed
System Shared
4000 MHz
Memory bandwidth
-
64 GB/s
Shared memory
+
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
11.1 (10_1)
12 (11_0)
CUDA
-
3.0
OpenCL
N/A
1.2
OpenGL
3.1
4.6
Shader Model
4.1
5.1
Vulkan
N/A
1.1.126