Radeon RX 470 and GeForce GT 640M - video card comparison
Passmark - benchmark score Radeon RX 470 vs GeForce GT 640M
Radeon RX 470
8339
GeForce GT 640M
946
Radeon RX 470
GeForce GT 640M
Architecture
Polaris (2016−2019)
Kepler (2012−2018)
GPU code name
Polaris 10 Pro
N13P-GS
Market segment
Desktop
Laptop
Release date
August 2016
March 2012
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
1206 MHz
645 MHz
Core clock speed
926 MHz
Up to 625 MHz
CUDA cores
-
384
Floating-point performance
4,940 gflops
480.0 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
5,700 million
1,270 million
Pipelines / CUDA cores
2048
384
Power consumption (TDP)
120 Watt
32 Watt
Texture fill rate
154.4
Up to 20.0 billion/sec
Memory type
GDDR5
DDR3\GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
128bit
Memory clock speed
6600 MHz
1800 - 4000 MHz
Memory bandwidth
211.2 GB/s
Up to 64.0 GB/s
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
No outputs
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
12 (12_0)
12 API
CUDA
-
+
OpenCL
2.0
1.1
OpenGL
4.6
4.5
Shader Model
6.4
5.1
Vulkan
1.2.131
1.1.126
3D Blu-Ray
-
+
FreeSync
+
-
Optimus
-
+