GeForce GTX 660 OEM and Mobility Radeon - video card comparison
GeForce GTX 660 OEM
Mobility Radeon
Architecture
Kepler (2012−2018)
Rage 6 (2000−2007)
GPU code name
GK104
M6
Market segment
Desktop
Desktop
Release date
August 2012
December 2001
Interface
PCIe 3.0 x16
AGP 4x
Supplementary power connectors
1x 6-pin
-
Boost clock speed
888 MHz
-
Core clock speed
823 MHz
144 MHz
Floating-point performance
2,046 gflops
-
Manufacturing process technology
28 nm
180 nm
Number of transistors
3,540 million
30 million
Pipelines / CUDA cores
1152
-
Power consumption (TDP)
130 Watt
-
Texture fill rate
85.25
0.43
Memory type
GDDR5
DDR
Maximum RAM amount
2 GB
16 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
5600 MHz
288 MHz
Memory bandwidth
179.2 GB/s
2.304 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
7.0
CUDA
3.0
-
OpenCL
1.2
N/A
OpenGL
4.6
1.3
Shader Model
5.1
-
Vulkan
1.1.126
N/A