AMD Radeon R9 M485X vs AMD Radeon RX 560

Table of Contents

Graphics Processor

GPU model Amethyst Polaris 21
GPU variant Amethyst XT Polaris 21 XT (215-0908004)
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
Generation Crystal System (R9 M400)
Production End-of-life
Interface MXM-B (3.0)
Predecessor Solar System
Successor Mobility Radeon

Clocks

GPU clock 723 MHz
Memory clock 1250 MHz 5 Gbps effective 1750 MHz 7 Gbps effective
Base clock 1175 MHz
Boost clock 1275 MHz

Memory Configuration

Memory size 8 GB 4 GB
Memory type GDDR5 GDDR5
Memory bus width 256 bit 128 bit
Bandwidth 160.0 GB/s 112.0 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 Dual-slot
TDP 250 W 75 W
Outputs No outputs 1x DVI1x HDMI1x DisplayPort
Power connectors None None
Length 170 mm 6.7 inches
Suggested PSU 250 W
Board number C994

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

Graphics Card

Release date Apr 18th, 2017
Generation Polaris
Production Active
Launch price 99 USD
Interface PCIe 3.0 x8
Predecessor Arctic Islands
Successor Vega

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