HD Graphics 3000 and GeForce GT 640M LE - video card comparison
Passmark - benchmark score HD Graphics 3000 vs GeForce GT 640M LE
HD Graphics 3000
262
GeForce GT 640M LE
720
HD Graphics 3000
GeForce GT 640M LE
Architecture
Gen. 6 Sandy Bridge (2011)
Fermi / Kepler (2012)
GPU code name
Sandy Bridge
N13P-LP
Market segment
Laptop
Laptop
Release date
February 2011
March 2012
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Boost clock speed
1350 MHz
-
Core clock speed
350 MHz
Up to 500 MHz
CUDA cores
-
Up to 384
Floating-point performance
20.4 gflops
384.0 gflops
Manufacturing process technology
32 nm
28 nm
Number of transistors
995 million
585 million
Pipelines / CUDA cores
12
384
Power consumption (TDP)
unknown
20 Watt
Texture fill rate
13.80
Up to 16.0 billion/sec
Memory type
System Shared
DDR3\DDR5
Maximum RAM amount
System Shared
2 GB
Memory bus width
64/128 Bit
128bit
Memory clock speed
System Shared
1800 - 4000 MHz
Memory bandwidth
-
Up to 28.8 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
11.1 (10_1)
12 API
CUDA
-
+
OpenCL
N/A
1.1
OpenGL
3.1
4.5
Shader Model
4.1
5.1
Vulkan
N/A
N/A
3D Blu-Ray
-
+
Optimus
-
+