Radeon R9 M375 and GeForce GT 640M - video card comparison
Passmark - benchmark score Radeon R9 M375 vs GeForce GT 640M
Radeon R9 M375
1008
GeForce GT 640M
943
Radeon R9 M375
GeForce GT 640M
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
Tropo
N13P-GS
Market segment
Laptop
Laptop
Release date
May 2015
March 2012
Bus support
PCIe 3.0
PCI Express 2.0, PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Boost clock speed
1015 MHz
645 MHz
Compute units
10
-
Core clock speed
1015 MHz
Up to 625 MHz
CUDA cores
-
384
Floating-point performance
1,299 gflops
480.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,500 million
1,270 million
Pipelines / CUDA cores
640
384
Power consumption (TDP)
-
32 Watt
Texture fill rate
40.60
Up to 20.0 billion/sec
Memory type
DDR3
DDR3\GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
128bit
Memory clock speed
1100 MHz
1800 - 4000 MHz
Memory bandwidth
28.8 GB/s
Up to 64.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
1
-
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
DirectX® 12
12 API
CUDA
-
+
Mantle
+
-
OpenCL
Not Listed
1.1
OpenGL
4.4
4.5
Shader Model
5.1
5.1
Vulkan
-
1.1.126
3D Blu-Ray
-
+
AppAcceleration
+
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
Optimus
-
+
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-