GeForce GTS 250 and GeForce 405M - video card comparison
GeForce GTS 250
GeForce 405M
Architecture
Tesla (2006−2010)
GT2xx (2009−2012)
GPU code name
G92B
GT218
Market segment
Desktop
Laptop
Release date
March 2009
May 2012
Bus support
-
PCI-E 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
6-pin
-
SLI options
+
-
Core clock speed
738 MHz
606 MHz
CUDA cores
128
16
Floating-point performance
387.1 gflops
38.78 gflops
Gigaflops
-
73
Manufacturing process technology
55 nm
40 nm
Number of transistors
754 million
260 million
Pipelines / CUDA cores
128
16
Power consumption (TDP)
150 Watt
14 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
47.2 billion/sec
4.848
Memory type
GDDR3
GDDR3, DDR3
Maximum RAM amount
1 GB
Up to 512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1100 MHz
Up to 800 (DDR3), Up to 800 (GDDR3) MHz
Memory bandwidth
70.4 GB/s
25.6 GB/s
Shared memory
-
-
Display Connectors
Two Dual Link DVI
DisplayPort, HDMI, VGA, Dual Link DVI, Single Link DVI
Multi monitor support
+
+
HDMI
+
+
Maximum VGA resolution
2048x1536
2048x1536
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
12 API
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
3.0
4.5
Shader Model
4.0
4.1
Vulkan
N/A
N/A
Power management
-
8.0