Spectre SL and Radeon R9 M390 Mac Edition - video card comparison
Spectre SL
Radeon R9 M390 Mac Edition
Architecture
GCN 2.0 (2013−2017)
GCN 1.0 (2012−2020)
GPU code name
Spectre SL
Pitcairn
Market segment
Desktop
Desktop
Release date
-
May 2015
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
None
Core clock speed
-
958 MHz
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,410 million
2,800 million
Pipelines / CUDA cores
256
1024
Power consumption (TDP)
-
80 Watt
Texture fill rate
-
61.31
Memory type
-
GDDR5
Maximum RAM amount
-
2 GB
Memory bus width
-
256 Bit
Memory clock speed
-
5.5 GB/s
Memory bandwidth
-
174.7 GB/s
Display Connectors
-
No outputs
DirectX
12 (12_0)
12 (11_1)
OpenCL
2.1
1.2
OpenGL
4.6
4.6
Shader Model
6.5
5.1
Vulkan
1.2.170
1.2