GeForce GTX 850M and GeForce 9800 GT Rebrand - video card comparison
GeForce GTX 850M
GeForce 9800 GT Rebrand
Architecture
Maxwell (2014−2018)
Tesla (2006−2010)
GPU code name
N15P-GT
G92
Market segment
Laptop
Desktop
Release date
March 2014
July 2008
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin
SLI options
+
-
Core clock speed
Up to 936 MHz
725 MHz
CUDA cores
640
-
Floating-point performance
1,155 gflops
448.0 gflops
Manufacturing process technology
28 nm
65 nm
Number of transistors
1,870 million
754 million
Pipelines / CUDA cores
640
128
Power consumption (TDP)
45 Watt
125 Watt
Texture fill rate
36.08
46.40
Memory type
DDR3, GDDR5
GDDR3
Maximum RAM amount
4 GB
512 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
Up to 2500 MHz
2000 MHz
Memory bandwidth
80.0 GB/s
64 GB/s
Shared memory
-
-
Standard memory configuration
DDR3 or GDDR5
-
Display Connectors
No outputs
2x DVI, 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)
11.1 (10_0)
CUDA
+
1.1
OpenCL
1.1
1.1
OpenGL
4.5
3.3
Shader Model
5.1
4.0
Vulkan
1.1.126
N/A
Ansel
+
-
H.264, VC1, MPEG2 1080p video decoder
+
-
Optimus
+
-
TrueHD and DTS-HD audio bitstreaming
+
-