
GeForce GT 640M LE and Quadro FX 880M - video card comparison
Passmark - benchmark score GeForce GT 640M LE vs Quadro FX 880M
GeForce GT 640M LE
720
Quadro FX 880M
221
GeForce GT 640M LE
Quadro FX 880M
Architecture
Fermi / Kepler (2012)
GT2xx (2009−2012)
GPU code name
N13P-LP
N10P-GLM
Market segment
Laptop
Mobile workstation
Release date
March 2012
January 2010
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 2.0 x16
MXM-A (3.0)
Core clock speed
Up to 500 MHz
550 MHz
CUDA cores
Up to 384
-
Floating-point performance
384.0 gflops
116.16 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
585 million
486 million
Pipelines / CUDA cores
384
48
Power consumption (TDP)
20 Watt
35 Watt
Texture fill rate
Up to 16.0 billion/sec
8.800
Memory type
DDR3\DDR5
GDDR3, DDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
128bit
128 Bit
Memory clock speed
1800 - 4000 MHz
790 MHz
Memory bandwidth
Up to 28.8 GB/s
25.28 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
11.1 (10_1)
CUDA
+
1.2
OpenCL
1.1
1.1
OpenGL
4.5
3.3
Shader Model
5.1
4.1
Vulkan
N/A
N/A
3D Blu-Ray
+
-
Optimus
+
-