GeForce GTX 970M SLI and GeForce GTX 650 - video card comparison
GeForce GTX 970M SLI
GeForce GTX 650
Architecture
Maxwell (2014−2018)
Kepler (2012−2018)
GPU code name
-
GK107
Market segment
Laptop
Desktop
Release date
October 2014
September 2012
Bus support
-
PCI Express 3.0
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
One 6-pin
SLI options
+
-
Boost clock speed
1038 MHz
-
Core clock speed
924 MHz
1058 MHz
CUDA cores
-
384
Floating-point performance
-
812.5 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2x 5200 Million
1,270 million
Pipelines / CUDA cores
2560
384
Power consumption (TDP)
162 Watt
64 Watt
Texture fill rate
-
33.9 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 6 GB
2 GB
Memory bus width
2x 192 Bit
128-bit GDDR5
Memory clock speed
5000 MHz
5.0 GB/s
Memory bandwidth
-
80.0 GB/s
Shared memory
-
-
Display Connectors
-
One Dual Link DVI-I, One Dual Link DVI-D, One Mini HDMI
Multi monitor support
-
4 displays
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12_1
12 (11_0)
CUDA
+
+
OpenCL
-
1.2
OpenGL
-
4.3
Shader Model
-
5.1
Vulkan
-
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+
Optimus
+
-