GeForce GTX 850M and GeForce GT 555M - video card comparison
Passmark - benchmark score GeForce GTX 850M vs GeForce GT 555M
GeForce GTX 850M
2591
GeForce GT 555M
674
GeForce GTX 850M
GeForce GT 555M
Architecture
Maxwell (2014−2018)
Fermi (2010−2014)
GPU code name
N15P-GT
N12E-GE-B
Market segment
Laptop
Laptop
Release date
March 2014
January 2011
Bus support
PCI Express 2.0, PCI Express 3.0
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
SLI options
+
+
Boost clock speed
-
753 MHz
Core clock speed
Up to 936 MHz
Up to 753 MHz
CUDA cores
640
Up to 144
Floating-point performance
1,155 gflops
388.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,870 million
1,170 million
Pipelines / CUDA cores
640
144
Power consumption (TDP)
45 Watt
35 Watt
Texture fill rate
36.08
Up to 16.2 billion/sec
Memory type
DDR3, GDDR5
DDR3\DDR5
Maximum RAM amount
4 GB
3 GB
Memory bus width
128 Bit
Up to 192 bit/128 Bit
Memory clock speed
Up to 2500 MHz
Up to 1569 MHz
Memory bandwidth
80.0 GB/s
Up to 50.2 GB/s
Shared memory
-
-
Standard memory configuration
DDR3 or GDDR5
-
Display Connectors
No outputs
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)
12 API
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.5
4.5
Shader Model
5.1
5.1
Vulkan
1.1.126
N/A
3D Blu-Ray
-
+
3D Gaming
-
+
Ansel
+
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
+
TrueHD and DTS-HD audio bitstreaming
+
-