GeForce GTX 850M and GeForce Go 7800 - video card comparison
Passmark - benchmark score GeForce GTX 850M vs GeForce Go 7800
GeForce GTX 850M
2591
GeForce Go 7800
117
GeForce GTX 850M
GeForce Go 7800
Architecture
Maxwell (2014−2018)
G7x (2005−2007)
GPU code name
N15P-GT
G70M
Market segment
Laptop
Laptop
Release date
March 2014
March 2006
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 1.0 x16
SLI options
+
-
Boost clock speed
-
400 MHz
Core clock speed
Up to 936 MHz
6 MHz
CUDA cores
640
-
Floating-point performance
1,155 gflops
-
Manufacturing process technology
28 nm
110 nm
Number of transistors
1,870 million
302 million
Pipelines / CUDA cores
640
22
Power consumption (TDP)
45 Watt
35 Watt
Texture fill rate
36.08
6.400
Memory type
DDR3, GDDR5
GDDR3
Maximum RAM amount
4 GB
256 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
Up to 2500 MHz
1100 MHz
Memory bandwidth
80.0 GB/s
35.2 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)
9.0c (9_3)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.5
2.1
Shader Model
5.1
3.0
Vulkan
1.1.126
N/A
Ansel
+
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-
TrueHD and DTS-HD audio bitstreaming
+
-