Architecture
AMD GCN 3.0 28nm
Most Powerful Variant
Tonga
Cores : TMUs : ROPs
2048 : 128 : 32
Typical Memory Size
8192 MB
Typical Memory Bus
256 -bit
Tonga GPU
Overview
Manufacturer
AMD
Release Date
May 14th, 2016
Graphics Processing Unit
Architecture
GCN 3.0
Fabrication Process
28 nm
Die Size
359 mm2
Transistors Count
5B
Stream Processors
2048
TMUs
128
ROPs
32
Clocks
Base Clock
1000 MHz
Memory Configuration
Memory Size
8192 MB
Memory Type
GDDR5
Memory Bus Width
256-bit
Memory Bandwidth
160.0 GB/s
Performance
Pixel Fillrate
32 GPixels/s
Texture Fillrate
128 GTexel/s
SPFP Performance
4.1 TFLOPS
Performance per mm2
11.4 GFLOPS/mm2
Physical
Interface
PCI-Express 3.0 x16
API Support
DirectX
11.2
Vulkan
1.0
OpenGL
4.4
OpenCL
2.0
| Model | GPU Model | Unified Cores | Memory Clock | Memory Config. | |
|---|---|---|---|---|---|
 | AMD Radeon R9 M485X | Tonga | |||
 | AMD Radeon R9 380X | Antigua XT | |||
| | AMD Radeon R9 M395 | Amethyst XT | |||
| | AMD Radeon R9 M390X | Amethyst XT | |||
| | AMD Radeon R9 M395X | Amethyst XT | |||
 | AMD Radeon R9 285X | Tonga XT | |||
| | AMD Radeon R9 380 | Antigua PRO | |||
 | AMD Radeon R9 285 | Tonga PRO |