GeForce 8800 GTS 512 and GeForce GT 640M LE - video card comparison
Passmark - benchmark score GeForce 8800 GTS 512 vs GeForce GT 640M LE
GeForce 8800 GTS 512
585
GeForce GT 640M LE
720
GeForce 8800 GTS 512
GeForce GT 640M LE
Architecture
Tesla (2006−2010)
Fermi / Kepler (2012)
GPU code name
G92
N13P-LP
Market segment
Desktop
Laptop
Release date
December 2007
March 2012
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
-
Core clock speed
650 MHz
Up to 500 MHz
CUDA cores
-
Up to 384
Floating-point performance
416.0 gflops
384.0 gflops
Manufacturing process technology
65 nm
28 nm
Number of transistors
754 million
585 million
Pipelines / CUDA cores
128
384
Power consumption (TDP)
135 Watt
20 Watt
Texture fill rate
41.60
Up to 16.0 billion/sec
Memory type
GDDR3
DDR3\DDR5
Maximum RAM amount
512 MB
2 GB
Memory bus width
256 Bit
128bit
Memory clock speed
1640 MHz
1800 - 4000 MHz
Memory bandwidth
52.48 GB/s
Up to 28.8 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
11.1 (10_0)
12 API
CUDA
1.1
+
OpenCL
1.1
1.1
OpenGL
3.3
4.5
Shader Model
4.0
5.1
Vulkan
N/A
N/A
3D Blu-Ray
-
+
Optimus
-
+