GeForce GT 640M LE and Mobility Radeon HD 5470 - video card comparison
Passmark - benchmark score GeForce GT 640M LE vs Mobility Radeon HD 5470
GeForce GT 640M LE
720
Mobility Radeon HD 5470
243
GeForce GT 640M LE
Mobility Radeon HD 5470
Architecture
Fermi / Kepler (2012)
Terascale 2 (2009−2015)
GPU code name
N13P-LP
Park XT
Market segment
Laptop
Laptop
Release date
March 2012
January 2010
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Core clock speed
Up to 500 MHz
750 MHz
CUDA cores
Up to 384
-
Floating-point performance
384.0 gflops
120 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
585 million
292 million
Pipelines / CUDA cores
384
80
Power consumption (TDP)
20 Watt
13-15 Watt
Texture fill rate
Up to 16.0 billion/sec
6.000
Memory type
DDR3\DDR5
DDR2, GDDR2, DDR3, GDDR3, GDDR5
Maximum RAM amount
2 GB
512 MB
Memory bus width
128bit
64 Bit
Memory clock speed
1800 - 4000 MHz
1800 MHz
Memory bandwidth
Up to 28.8 GB/s
25.6 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
11.2 (11_0)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.5
4.4
Shader Model
5.1
5.0
Vulkan
N/A
N/A
3D Blu-Ray
+
-
Optimus
+
-