AMD Radeon RX 480 Mobile vs AMD Radeon RX 580

Table of Contents

Graphics Processor

GPU model Ellesmere Polaris 20
GPU variant Ellesmere XT Polaris 20 XTX (215-0910038)
Architecture GCN 4.0 GCN 4.0
Foundry GlobalFoundries GlobalFoundries
Manufacturing process 14 nm 14 nm
Number of transistors 5,700 million 5,700 million
Die size 232 mm² 232 mm²

Mobile graphics

Release date Aug 4th, 2016
Generation Mobility Radeon (RX M400)
Production Active
Interface MXM-B (3.0)
Predecessor Crystal System

Clocks

Base clock 1000 MHz 1257 MHz
Boost clock 1077 MHz 1340 MHz
Memory clock 2000 MHz 8 Gbps effective 2000 MHz 8 Gbps effective

Memory Configuration

Memory size 8 GB 8 GB
Memory type GDDR5 GDDR5
Memory bus width 256 bit 256 bit
Bandwidth 256.0 GB/s 256.0 GB/s

Render Configuration

Shading units 2304 2304
TMUs 144 144
ROPs 32 32
Compute units 36 36
Cache L1 16 KB (per CU) 16 KB (per CU)
Cache L2 2 MB 2 MB

Performance

Pixel rate 34.46 GPixel/s 42.88 GPixel/s
Texture rate 155.1 GTexel/s 193.0 GTexel/s
FP16 (half) performance 4.963 TFLOPS (1:1) 6.175 TFLOPS (1:1)
FP32 (float) performance 4.963 TFLOPS 6.175 TFLOPS
FP64 (double) performance 310.2 GFLOPS (1:16) 385.9 GFLOPS (1:16)

Dimensions & Outputs

Slot width MXM Module Dual-slot
TDP 100 W 185 W
Outputs No outputs 1x HDMI3x DisplayPort
Power connectors None 1x 8-pin
Length 241 mm 9.5 inches
Suggested PSU 450 W
Board number C940, D009-04

API Support & Features

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

Other Features

Graphics Card

Release date Apr 18th, 2017
Generation Polaris
Production Active
Launch price 229 USD
Current price Amazon / Newegg
Interface PCIe 3.0 x16
Reviews 52 in our database
Predecessor Arctic Islands
Successor Vega

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