GeForce 840M and GeForce 9800 GTX - video card comparison
Passmark - benchmark score GeForce 840M vs GeForce 9800 GTX
GeForce 840M
1121
GeForce 9800 GTX
792
GeForce 840M
GeForce 9800 GTX
Architecture
Maxwell (2014−2018)
Tesla (2006−2010)
GPU code name
N15S-GT
G92
Market segment
Laptop
Desktop
Release date
March 2014
March 2008
Bus support
PCI Express 2.0, PCI Express 3.0
PCI-E 2.0
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
-
2x 6-pin
SLI options
-
+
Boost clock speed
1124 MHz
-
Core clock speed
1029 MHz
675 MHz
CUDA cores
-
128
Floating-point performance
863.2 gflops
432.1 gflops
Manufacturing process technology
28 nm
65 nm
Number of transistors
-
754 million
Pipelines / CUDA cores
384
128
Power consumption (TDP)
33 Watt
140 Watt
Maximum GPU temperature
-
105 °C
Texture fill rate
17.98
43.2 billion/sec
Memory type
DDR3
GDDR3
Maximum RAM amount
4 GB
512 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
2000 MHz
1100 MHz
Memory bandwidth
16.02 GB/s
70.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
HDTVDual Link DVI
Multi monitor support
-
+
HDMI
-
Via Adapter
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
S/PDIF
DirectX
12 (11_0)
11.1 (10_0)
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.5
2.1
Shader Model
5.1
4.0
Vulkan
1.1.126
N/A
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-