GeForce GT 640M and Radeon R9 370 1024SP - video card comparison
GeForce GT 640M
Radeon R9 370 1024SP
Architecture
Kepler (2012−2018)
GCN 1.0 (2012−2020)
GPU code name
N13P-GS
Trinidad
Market segment
Laptop
Desktop
Release date
March 2012
June 2015
Bus support
PCI Express 2.0, PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
645 MHz
975 MHz
Core clock speed
Up to 625 MHz
925 MHz
CUDA cores
384
-
Floating-point performance
480.0 gflops
1,997 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
2,800 million
Pipelines / CUDA cores
384
1024
Power consumption (TDP)
32 Watt
150 Watt
Texture fill rate
Up to 20.0 billion/sec
62.40
Memory type
DDR3\GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128bit
256 Bit
Memory clock speed
1800 - 4000 MHz
5600 MHz
Memory bandwidth
Up to 64.0 GB/s
179.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 (11_1)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.5
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.2.131
3D Blu-Ray
+
-
Optimus
+
-