GeForce GTX 850M and Quadro DCC - video card comparison
GeForce GTX 850M
Quadro DCC
Architecture
Maxwell (2014−2018)
Kelvin (2001−2003)
GPU code name
N15P-GT
NV20 A5
Market segment
Laptop
Workstation
Release date
March 2014
May 2001
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
AGP 4x
Supplementary power connectors
-
None
SLI options
+
-
Core clock speed
Up to 936 MHz
200 MHz
CUDA cores
640
-
Floating-point performance
1,155 gflops
-
Manufacturing process technology
28 nm
150 nm
Number of transistors
1,870 million
57 million
Pipelines / CUDA cores
640
-
Power consumption (TDP)
45 Watt
-
Texture fill rate
36.08
0.8
Memory type
DDR3, GDDR5
SDR
Maximum RAM amount
4 GB
64 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
Up to 2500 MHz
230 MHz
Memory bandwidth
80.0 GB/s
3.68 GB/s
Shared memory
-
-
Standard memory configuration
DDR3 or GDDR5
-
Display Connectors
No outputs
1x DVI, 1x VGA, 1x S-Video
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)
8.0
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.5
1.3
Shader Model
5.1
-
Vulkan
1.1.126
N/A
Ansel
+
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-
TrueHD and DTS-HD audio bitstreaming
+
-