GeForce GTS 250 and GeForce GT 640M LE - video card comparison
Passmark - benchmark score GeForce GTS 250 vs GeForce GT 640M LE
GeForce GTS 250
616
GeForce GT 640M LE
720
GeForce GTS 250
GeForce GT 640M LE
Architecture
Tesla (2006−2010)
Fermi / Kepler (2012)
GPU code name
G92B
N13P-LP
Market segment
Desktop
Laptop
Release date
March 2009
March 2012
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
6-pin
-
SLI options
+
-
Core clock speed
738 MHz
Up to 500 MHz
CUDA cores
128
Up to 384
Floating-point performance
387.1 gflops
384.0 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
754 million
585 million
Pipelines / CUDA cores
128
384
Power consumption (TDP)
150 Watt
20 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
47.2 billion/sec
Up to 16.0 billion/sec
Memory type
GDDR3
DDR3\DDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
128bit
Memory clock speed
1100 MHz
1800 - 4000 MHz
Memory bandwidth
70.4 GB/s
Up to 28.8 GB/s
Shared memory
-
-
Display Connectors
Two Dual 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
3.0
4.5
Shader Model
4.0
5.1
Vulkan
N/A
N/A
3D Blu-Ray
-
+
Optimus
-
+