Radeon R5 M330 and GeForce GT 640 OEM - video card comparison
Radeon R5 M330
GeForce GT 640 OEM
Architecture
GCN 1.0 (2012−2020)
Kepler (2012−2018)
GPU code name
Exo Pro DDR3
GK107
Market segment
Laptop
Desktop
Release date
May 2015
April 2012
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
None
Boost clock speed
1030 MHz
-
Compute units
5
-
Core clock speed
1030 MHz
797 MHz
Floating-point performance
659.2 gflops
612.1 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
690 million
1,270 million
Pipelines / CUDA cores
320
384
Power consumption (TDP)
18 Watt
50 Watt
Texture fill rate
20.60
25.50
Memory type
DDR3
DDR3
Maximum RAM amount
4 GB
2 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
1000 MHz
1782 MHz
Memory bandwidth
14.4 GB/s
28.51 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
DirectX® 12
12 (11_0)
CUDA
-
3.0
Mantle
+
-
OpenCL
Not Listed
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
+
1.1.126
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-