AMD Radeon R9 M485X vs AMD Radeon RX 560X Mobile

Table of Contents

Graphics Processor

GPU model Amethyst Polaris 21
GPU variant Amethyst XT Polaris 21M XT
Architecture GCN 3.0 GCN 4.0
Foundry TSMC GlobalFoundries
Manufacturing process 28 nm 14 nm
Number of transistors 5,000 million 3,000 million
Die size 366 mm² 123 mm²

Mobile graphics

Release date May 15th, 2016 Apr 11th, 2018
Generation Crystal System (R9 M400) Mobility Radeon (RX M500X)
Production End-of-life Active
Interface MXM-B (3.0) MXM-B (3.0)
Predecessor Solar System Crystal System
Successor Mobility Radeon

Clocks

GPU clock 723 MHz 1275 MHz
Memory clock 1250 MHz 5 Gbps effective 1450 MHz 5.8 Gbps effective

Memory Configuration

Memory size 8 GB 4 GB
Memory type GDDR5 GDDR5
Memory bus width 256 bit 128 bit
Bandwidth 160.0 GB/s 92.80 GB/s

Render Configuration

Shading units 2048 1024
TMUs 128 64
ROPs 32 16
Compute units 32 16
Cache L1 16 KB (per CU) 16 KB (per CU)
Cache L2 512 KB 1024 KB

Performance

Pixel rate 23.14 GPixel/s 20.40 GPixel/s
Texture rate 92.54 GTexel/s 81.60 GTexel/s
FP16 (half) performance 2.961 TFLOPS (1:1) 2.611 TFLOPS (1:1)
FP32 (float) performance 2.961 TFLOPS 2.611 TFLOPS
FP64 (double) performance 185.1 GFLOPS (1:16) 163.2 GFLOPS (1:16)

Dimensions & Outputs

Slot width MXM Module MXM Module
TDP 250 W 65 W
Outputs No outputs No outputs
Power connectors None None

API Support & Features

DirectX 12 (12_0) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 2.0 2.1
Vulkan 1.2 1.2
Shader model 6.3 6.4

Other Features

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