GeForce GTX 850M and GeForce GT 650M SLI - video card comparison
GeForce GTX 850M
GeForce GT 650M SLI
Architecture
Maxwell (2014−2018)
Kepler (2012−2018)
GPU code name
N15P-GT
N13E-GE
Market segment
Laptop
Laptop
Release date
March 2014
March 2012
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
-
SLI options
+
-
Boost clock speed
-
835 MHz
Core clock speed
Up to 936 MHz
790 MHz
CUDA cores
640
-
Floating-point performance
1,155 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
-
Pipelines / CUDA cores
640
768
Power consumption (TDP)
45 Watt
-
Texture fill rate
36.08
-
Memory type
DDR3, GDDR5
GDDR5
Maximum RAM amount
4 GB
2x2 GB
Memory bus width
128 Bit
2x 128 Bit
Memory clock speed
Up to 2500 MHz
4000 MHz
Memory bandwidth
80.0 GB/s
-
Shared memory
-
-
Standard memory configuration
DDR3 or GDDR5
-
Display Connectors
No outputs
-
eDP 1.2 signal support
Up to 3840x2160
-
LVDS signal support
Up to 1920x1200
-
VGA аnalog display support
Up to 2048x1536
-
DisplayPort Multimode (DP++) support
Up to 3840x2160
-
HDCP content protection
+
-
HDMI
+
-
7.1 channel HD audio on HDMI
+
-
DirectX
12 (11_0)
11
CUDA
+
+
OpenCL
1.1
-
OpenGL
4.5
-
Shader Model
5.1
-
Vulkan
1.1.126
-
Ansel
+
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
+
TrueHD and DTS-HD audio bitstreaming
+
-