AMD Radeon R9 M365X vs Intel Iris Plus Graphics 645

Table of Contents

Graphics Processor

GPU model Tropo Coffee Lake GT3e
GPU variant Tropo XT
Architecture GCN 1.0 Generation 9.5
Foundry TSMC Intel
Manufacturing process 28 nm 14 nm+++
Number of transistors 1,500 million unknown
Die size 123 mm² unknown

Mobile graphics

Release date May 5th, 2015
Generation Crystal System (R9 M300)
Production End-of-life
Interface PCIe 3.0 x16
Predecessor Solar System
Successor Mobility Radeon

Clocks

Base clock 900 MHz 300 MHz
Boost clock 925 MHz 1050 MHz
Memory clock 1125 MHz 4.5 Gbps effective System Shared

Memory Configuration

Memory size 4 GB System Shared
Memory type GDDR5 System Shared
Memory bus width 128 bit System Shared
Bandwidth 72.00 GB/s System Dependent

Render Configuration

Shading units 640 384
TMUs 40 48
ROPs 16 6
Compute units 10
Cache L1 16 KB (per CU)
Cache L2 256 KB
Execution units 48

Performance

Pixel rate 14.80 GPixel/s 6.300 GPixel/s
Texture rate 37.00 GTexel/s 50.40 GTexel/s
FP32 (float) performance 1,184 GFLOPS 806.4 GFLOPS
FP64 (double) performance 74.00 GFLOPS (1:16) 201.6 GFLOPS (1:4)
FP16 (half) performance 1.613 TFLOPS (2:1)

Dimensions & Outputs

TDP unknown 15 W
Outputs No outputs No outputs
Slot width IGP

API Support & Features

DirectX 12 (11_1) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 1.2 3.0
Vulkan 1.2 1.2
Shader model 5.1 6.4

Other Features

Integrated Graphics

Release date Oct 7th, 2019
Generation HD Graphics-M (Coffee Lake)
Production Active
Interface Ring Bus
Reviews 1 in our database

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