
GeForce GTX 660 OEM and GeForce GT 220 - video card comparison
GeForce GTX 660 OEM
GeForce GT 220
Architecture
Kepler (2012−2018)
GT2xx (2009−2012)
GPU code name
GK104
GT216
Market segment
Desktop
Desktop
Release date
August 2012
October 2009
Bus support
-
PCI-E 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
-
Boost clock speed
888 MHz
-
Core clock speed
823 MHz
625 MHz
CUDA cores
-
48
Floating-point performance
2,046 gflops
144 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
3,540 million
486 million
Pipelines / CUDA cores
1152
48
Power consumption (TDP)
130 Watt
58 Watt
Maximum GPU temperature
-
105 °C
Texture fill rate
85.25
9.840
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
5600 MHz
790 MHz
Memory bandwidth
179.2 GB/s
25.3 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
VGADVIHDMI
Multi monitor support
-
+
HDMI
+
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
S/PDIF + HDA
DirectX
12 (11_0)
11.1 (10_1)
CUDA
3.0
+
OpenCL
1.2
1.1
OpenGL
4.6
3.1
Shader Model
5.1
4.1
Vulkan
1.1.126
N/A