Logo

Radeon RX 470 Mobile and GeForce GT 640 - video card comparison


Radeon RX 470 Mobile

GeForce GT 640


Architecture
Polaris (2016−2019)
Kepler (2012−2018)

GPU code name
Polaris 10 Pro
GK107

Market segment
Laptop
Desktop

Release date
August 2016
June 2012

Interface
MXM-B (3.0)
PCIe 3.0 x16

Supplementary power connectors
-
None

Boost clock speed
1206 MHz
-

Core clock speed
926 MHz
902 MHz

Floating-point performance
4,399 gflops
692.7 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
65 Watt

Texture fill rate
137.5
28.86

Memory type
GDDR5
DDR3

Maximum RAM amount
8 GB
2 GB

Memory bus width
256 Bit
128 Bit

Memory clock speed
7000 MHz
1782 MHz

Memory bandwidth
224.0 GB/s
28.51 GB/s

Shared memory
-
-

Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort

HDMI
-
+

DirectX
12 (12_0)
12 (11_0)

CUDA
-
3.0

OpenCL
2.0
1.2

OpenGL
4.6
4.6

Shader Model
6.4
5.1

Vulkan
1.2.131
1.1.126

FreeSync
+
-