Radeon HD 7640G + HD 7670M Dual Graphics and Radeon RX 580 XTR - video card comparison
Radeon HD 7640G + HD 7670M Dual Graphics
Radeon RX 580 XTR
Architecture
Terascale 3 (2010−2013)
GCN 4.0 (2016−2020)
GPU code name
-
Polaris 20
Market segment
Laptop
Desktop
Release date
May 2012
April 2017
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
1x 8-pin
Boost clock speed
-
1340 MHz
Core clock speed
655 / 600 MHz
1257 MHz
Floating-point performance
-
6,175 gflops
Manufacturing process technology
40 nm
14 nm
Number of transistors
-
5,700 million
Pipelines / CUDA cores
736
2304
Power consumption (TDP)
-
185 Watt
Texture fill rate
-
193.0
Memory type
-
GDDR5
Maximum RAM amount
-
8 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1800 MHz
8000 MHz
Memory bandwidth
-
256.0 GB/s
Shared memory
+
-
Display Connectors
-
1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
11
12.0 (12_0)
OpenGL
-
4.5