GeForce GTX 660 OEM and HD Graphics 3000 - video card comparison
GeForce GTX 660 OEM
HD Graphics 3000
Architecture
Kepler (2012−2018)
Gen. 6 Sandy Bridge (2011)
GPU code name
GK104
Sandy Bridge
Market segment
Desktop
Laptop
Release date
August 2012
February 2011
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
-
Boost clock speed
888 MHz
1350 MHz
Core clock speed
823 MHz
350 MHz
Floating-point performance
2,046 gflops
20.4 gflops
Manufacturing process technology
28 nm
32 nm
Number of transistors
3,540 million
995 million
Pipelines / CUDA cores
1152
12
Power consumption (TDP)
130 Watt
unknown
Texture fill rate
85.25
13.80
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
256 Bit
64/128 Bit
Memory clock speed
5600 MHz
System Shared
Memory bandwidth
179.2 GB/s
-
Shared memory
-
+
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
11.1 (10_1)
CUDA
3.0
-
OpenCL
1.2
N/A
OpenGL
4.6
3.1
Shader Model
5.1
4.1
Vulkan
1.1.126
N/A