Intel Iris Plus Graphics 640 vs Intel Iris Plus Graphics G4

Table of Contents

Graphics Processor

GPU model Kaby Lake GT3e Ice Lake GT1
Architecture Generation 9.5 Generation 11.0
Foundry Intel Intel
Manufacturing process 14 nm++ 10 nm+
Number of transistors unknown unknown
Die size unknown unknown

Integrated Graphics

Release date Jan 3rd, 2017 May 29th, 2019
Generation HD Graphics-M (Kaby Lake) HD Graphics-M (Ice 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 1100 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 384 384
TMUs 48 24
ROPs 6 8
Execution units 48 48

Performance

Pixel rate 6.600 GPixel/s 8.400 GPixel/s
Texture rate 52.80 GTexel/s 25.20 GTexel/s
FP16 (half) performance 1.690 TFLOPS (2:1) 1.613 TFLOPS (2:1)
FP32 (float) performance 844.8 GFLOPS 806.4 GFLOPS
FP64 (double) performance 211.2 GFLOPS (1:4) 201.6 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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