Intel Iris Plus Graphics 655 vs Intel UHD Graphics 617

Table of Contents

Graphics Processor

GPU model Coffee Lake GT3e Amber Lake GT2
Architecture Generation 9.5 Generation 9.5
Foundry Intel Intel
Manufacturing process 14 nm+++ 14 nm
Number of transistors unknown unknown
Die size unknown unknown

Integrated Graphics

Release date Apr 3rd, 2018 Nov 7th, 2018
Generation HD Graphics-M (Coffee Lake) HD Graphics-T (Amber Lake)
Production Active Active
Interface Ring Bus Ring Bus
Reviews 1 in our database 1 in our database

Clocks

Base clock 300 MHz 300 MHz
Boost clock 1050 MHz 1050 MHz
Memory clock System Shared System Shared

Memory Configuration

Memory size System Shared System Shared
Memory type System Shared System Shared
Memory bus width System Shared System Shared
Bandwidth System Dependent System Dependent

Render Configuration

Shading units 384 192
TMUs 48 24
ROPs 6 3
Execution units 48 24

Performance

Pixel rate 6.300 GPixel/s 3.150 GPixel/s
Texture rate 50.40 GTexel/s 25.20 GTexel/s
FP16 (half) performance 1.613 TFLOPS (2:1) 806.4 GFLOPS (2:1)
FP32 (float) performance 806.4 GFLOPS 403.2 GFLOPS
FP64 (double) performance 201.6 GFLOPS (1:4) 100.8 GFLOPS (1:4)

Dimensions & Outputs

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

API Support & Features

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

Other Features

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