GeForce GTX 850M and GeForce GT 620 - video card comparison
Passmark - benchmark score GeForce GTX 850M vs GeForce GT 620
GeForce GTX 850M
2591
GeForce GT 620
388
GeForce GTX 850M
GeForce GT 620
Architecture
Maxwell (2014−2018)
Fermi (2010−2014)
GPU code name
N15P-GT
GF108
Market segment
Laptop
Desktop
Release date
March 2014
May 2012
Bus support
PCI Express 2.0, PCI Express 3.0
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
None
SLI options
+
-
Core clock speed
Up to 936 MHz
700 MHz
CUDA cores
640
96
Floating-point performance
1,155 gflops
268.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,870 million
585 million
Pipelines / CUDA cores
640
96
Power consumption (TDP)
45 Watt
49 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
36.08
11.2 billion/sec
Memory type
DDR3, GDDR5
DDR3
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
Up to 2500 MHz
1.8 GB/s
Memory bandwidth
80.0 GB/s
14.4 GB/s
Shared memory
-
-
Standard memory configuration
DDR3 or GDDR5
-
Display Connectors
No outputs
Dual Link DVI-I, HDMI, VGA
eDP 1.2 signal support
Up to 3840x2160
-
LVDS signal support
Up to 1920x1200
-
Multi monitor support
-
+
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
+
-
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12 (11_0)
12 (11_0)
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.5
4.2
Shader Model
5.1
5.1
Vulkan
1.1.126
N/A
3D Blu-Ray
-
+
Ansel
+
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-
TrueHD and DTS-HD audio bitstreaming
+
-