GeForce GT 640M LE - video card specification
Passmark - benchmark score GeForce GT 640M LE
GeForce GT 640M LE
720
GeForce GT 640M LE
Architecture
Fermi / Kepler (2012)
GPU code name
N13P-LP
Market segment
Laptop
Release date
March 2012
Bus support
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 2.0 x16
Supplementary power connectors
-
Boost clock speed
-
Compute units
-
Core clock speed
Up to 500 MHz
CUDA cores
Up to 384
Floating-point performance
384.0 gflops
Manufacturing process technology
28 nm
Number of transistors
585 million
Pipelines / CUDA cores
384
Power consumption (TDP)
20 Watt
Texture fill rate
Up to 16.0 billion/sec
Memory type
DDR3\DDR5
Maximum RAM amount
2 GB
Memory bus width
128bit
Memory clock speed
1800 - 4000 MHz
Memory bandwidth
Up to 28.8 GB/s
Shared memory
-
Display Connectors
No outputs
Eyefinity
-
HDMI
+
HDCP
+
Maximum VGA resolution
Up to 2048x1536
DirectX
12 API
CUDA
+
Mantle
-
OpenCL
1.1
OpenGL
4.5
Shader Model
5.1
Vulkan
N/A
3D Blu-Ray
+
AppAcceleration
-
DualGraphics
-
Enduro
-
FreeSync
-
HD3D
-
Optimus
+
PowerTune
-
Switchable graphics
-
TrueAudio
-
ZeroCore
-