GeForce 9800 GTX+ and GeForce GT 645M - video card comparison
Passmark - benchmark score GeForce 9800 GTX+ vs GeForce GT 645M
GeForce 9800 GTX+
521
GeForce GT 645M
957
GeForce 9800 GTX+
GeForce GT 645M
Architecture
Tesla (2006−2010)
Kepler (2012−2018)
GPU code name
G92B
N13P-GS
Market segment
Desktop
Laptop
Release date
January 2009
March 2012
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
-
SLI options
+
-
Core clock speed
738 MHz
Up to 710 MHz
CUDA cores
128
384
Floating-point performance
470.0 gflops
544.5 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
754 million
1,270 million
Pipelines / CUDA cores
128
384
Power consumption (TDP)
141 Watt
32 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
47.2 billion/sec
22.7 billion/sec
Memory type
GDDR3
DDR3\GDDR5
Maximum RAM amount
512 MB
2 GB
Memory bus width
256 Bit
128bit
Memory clock speed
1100 MHz
1800 MHz
Memory bandwidth
70.4 GB/s
Up to 64.0 GB/s
Shared memory
-
-
Display Connectors
HDTVDual Link DVI
No outputs
Multi monitor support
+
-
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
2048x1536
Up to 2048x1536
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
12 API
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
2.1
4.5
Shader Model
4.0
5.1
Vulkan
N/A
1.1.126
3D Blu-Ray
-
+
Optimus
-
+