GeForce GTX 660M and Radeon X1950 PRO - video card comparison
Passmark - benchmark score GeForce GTX 660M vs Radeon X1950 PRO
GeForce GTX 660M
1478
Radeon X1950 PRO
115
GeForce GTX 660M
Radeon X1950 PRO
Architecture
Kepler (2012−2018)
R500 (2005−2007)
GPU code name
N13E-GE
RV570
Market segment
Laptop
Desktop
Release date
March 2012
October 2006
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
MXM-B (3.0)
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin
SLI options
+
-
Boost clock speed
950 MHz
-
Core clock speed
835 MHz
575 MHz
CUDA cores
384
-
Floating-point performance
729.6 gflops
-
Manufacturing process technology
28 nm
80 nm
Number of transistors
1,270 million
330 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
50 Watt
66 Watt
Texture fill rate
30.4 billion/sec
6.900
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
256 MB
Memory bus width
128bit
256 Bit
Memory clock speed
2000 MHz
1380 MHz
Memory bandwidth
64.0 GB/s
44.16 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x S-Video
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
9.0c (9_3)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.5
2.0
Shader Model
5.1
3.0
Vulkan
1.1.126
N/A
Optimus
+
-