GeForce GTX 660 OEM and GeForce GTX 950M - video card comparison
GeForce GTX 660 OEM
GeForce GTX 950M
Architecture
Kepler (2012−2018)
Maxwell (2014−2018)
GPU code name
GK104
N16P-GT
Market segment
Desktop
Laptop
Release date
August 2012
March 2015
Bus support
-
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1x 6-pin
-
SLI options
-
+
Boost clock speed
888 MHz
1124 MHz
Core clock speed
823 MHz
914 MHz
CUDA cores
-
640
Floating-point performance
2,046 gflops
1,439 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
1,870 million
Pipelines / CUDA cores
1152
640
Power consumption (TDP)
130 Watt
75 Watt
Texture fill rate
85.25
44.96
Memory type
GDDR5
DDR3 or GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
5600 MHz
1000 or 2500 MHz
Memory bandwidth
179.2 GB/s
32 or 80 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
VGA аnalog display support
-
+
DisplayPort Multimode (DP++) support
-
+
HDMI
+
+
DirectX
12 (11_0)
12 (11_0)
CUDA
3.0
+
OpenCL
1.2
1.2
OpenGL
4.6
4.5
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126
Ansel
-
+
BatteryBoost
-
+
GameStream
-
+
GameWorks
-
+
GeForce ShadowPlay
-
+
GPU Boost
-
2.0
H.264, VC1, MPEG2 1080p video decoder
-
+
Optimus
-
+