Radeon R7 M370 and GeForce GT 640M - video card comparison
Passmark - benchmark score Radeon R7 M370 vs GeForce GT 640M
Radeon R7 M370
1460
GeForce GT 640M
943
Radeon R7 M370
GeForce GT 640M
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
Litho
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 x8
PCIe 3.0 x16
Boost clock speed
960 MHz
645 MHz
Core clock speed
875 MHz
Up to 625 MHz
CUDA cores
-
384
Floating-point performance
737.3 gflops
480.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
690 million
1,270 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
-
32 Watt
Texture fill rate
23.04
Up to 20.0 billion/sec
Memory type
GDDR5
DDR3\GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
128bit
Memory clock speed
1000 MHz
1800 - 4000 MHz
Memory bandwidth
73.6 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
+
-