GeForce GTX 680M SLI and GeForce GTX 950M - video card comparison
GeForce GTX 680M SLI
GeForce GTX 950M
Architecture
Kepler (2012−2018)
Maxwell (2014−2018)
GPU code name
N13E-GTX
N16P-GT
Market segment
Laptop
Laptop
Release date
June 2012
March 2015
Bus support
-
PCI Express 3.0
Interface
-
PCIe 3.0 x8
SLI options
+
+
Boost clock speed
-
1124 MHz
Core clock speed
720 MHz
914 MHz
CUDA cores
-
640
Floating-point performance
-
1,439 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
-
1,870 million
Pipelines / CUDA cores
2688
640
Power consumption (TDP)
-
75 Watt
Texture fill rate
-
44.96
Memory type
GDDR5
DDR3 or GDDR5
Maximum RAM amount
2x 4 GB
4 GB
Memory bus width
2x 256 Bit
128 Bit
Memory clock speed
3600 MHz
1000 or 2500 MHz
Memory bandwidth
-
32 or 80 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
VGA аnalog display support
-
+
DisplayPort Multimode (DP++) support
-
+
HDMI
-
+
DirectX
11
12 (11_0)
CUDA
+
+
OpenCL
-
1.2
OpenGL
-
4.5
Shader Model
-
5.1
Vulkan
-
1.1.126
Ansel
-
+
BatteryBoost
-
+
GameStream
-
+
GameWorks
-
+
GeForce ShadowPlay
-
+
GPU Boost
-
2.0
H.264, VC1, MPEG2 1080p video decoder
-
+
Optimus
+
+