GeForce GT 640M LE and Radeon HD 8330 - video card comparison
Passmark - benchmark score GeForce GT 640M LE vs Radeon HD 8330
GeForce GT 640M LE
720
Radeon HD 8330
268
GeForce GT 640M LE
Radeon HD 8330
Architecture
Fermi / Kepler (2012)
GCN (2011−2017)
GPU code name
N13P-LP
Kabini
Market segment
Laptop
Laptop
Release date
March 2012
May 2013
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 2.0 x16
IGP
Core clock speed
Up to 500 MHz
500 MHz
CUDA cores
Up to 384
-
Floating-point performance
384.0 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
585 million
1,178 million
Pipelines / CUDA cores
384
128
Power consumption (TDP)
20 Watt
15 Watt
Texture fill rate
Up to 16.0 billion/sec
3.976
Memory type
DDR3\DDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
128bit
System Shared
Memory clock speed
1800 - 4000 MHz
System Shared
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
12 API
12 (12_0)
CUDA
+
-
OpenCL
1.1
2.0
OpenGL
4.5
4.6
Shader Model
5.1
6.3
Vulkan
N/A
1.2.131
3D Blu-Ray
+
-
Optimus
+
-