Radeon RX 580 Mobile and Radeon HD 7770 - video card comparison
Radeon RX 580 Mobile
Radeon HD 7770
Architecture
Polaris (2016−2019)
GCN (2011−2017)
GPU code name
Polaris
Cape Verde
Market segment
Laptop
Desktop
Release date
April 2017
February 2012
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
1077 MHz
-
Core clock speed
1000 MHz
1000 MHz
Floating-point performance
4,963 gflops
-
Manufacturing process technology
14 nm
28 nm
Number of transistors
5,700 million
1,500 million
Pipelines / CUDA cores
2304
640
Power consumption (TDP)
100 Watt
80 Watt
Texture fill rate
155.1
40.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
8000 MHz
4500 MHz
Memory bandwidth
256.0 GB/s
72 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
-
+
HDMI
-
+
DirectX
12 (12_0)
12 (11_1)
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.2.131
1.2.131