
GeForce GT 640M LE and Radeon R5 M330 - video card comparison
Passmark - benchmark score GeForce GT 640M LE vs Radeon R5 M330
GeForce GT 640M LE
720
Radeon R5 M330
613
GeForce GT 640M LE
Radeon R5 M330
Architecture
Fermi / Kepler (2012)
GCN 1.0 (2012−2020)
GPU code name
N13P-LP
Exo Pro DDR3
Market segment
Laptop
Laptop
Release date
March 2012
May 2015
Bus support
PCI Express 2.0, PCI Express 3.0
PCIe 3.0
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
-
1030 MHz
Compute units
-
5
Core clock speed
Up to 500 MHz
1030 MHz
CUDA cores
Up to 384
-
Floating-point performance
384.0 gflops
659.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
585 million
690 million
Pipelines / CUDA cores
384
320
Power consumption (TDP)
20 Watt
18 Watt
Texture fill rate
Up to 16.0 billion/sec
20.60
Memory type
DDR3\DDR5
DDR3
Maximum RAM amount
2 GB
4 GB
Memory bus width
128bit
64 Bit
Memory clock speed
1800 - 4000 MHz
1000 MHz
Memory bandwidth
Up to 28.8 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
DirectX® 12
CUDA
+
-
Mantle
-
+
OpenCL
1.1
Not Listed
OpenGL
4.5
4.4
Shader Model
5.1
5.0
Vulkan
N/A
+
3D Blu-Ray
+
-
AppAcceleration
-
-
DualGraphics
-
1
Enduro
-
-
HD3D
-
+
Optimus
+
-
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
ZeroCore
-
+