Intel Iris Pro Graphics 580 vs Intel Iris Plus Graphics 645

VS

Intel Iris Pro Graphics 580

Intel Iris Plus Graphics 645

We compared two Integrated graphics card GPUs: 0System Shared VRAM Iris Pro Graphics 580 and 0System Shared VRAM Iris Plus Graphics 645 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Iris Pro Graphics 580 's Advantages

192 additional rendering cores

Intel Iris Plus Graphics 645 's Advantages

Released 4 years and 1 months late

Boost Clock has increased by 11% (1050MHz vs 950MHz)

Score

Benchmark

FP32 (float)

Iris Pro Graphics 580 +35%

1.094 TFLOPS

Iris Plus Graphics 645

0.806 TFLOPS

Iris Pro Graphics 580

VS

Iris Plus Graphics 645

Graphics Card

Sep 2015

Release Date

Oct 2019

HD Graphics-M

Generation

HD Graphics-M

Integrated

Type

Integrated

Ring Bus

Bus Interface

Ring Bus

Clock Speeds

350 MHz

Base Clock

300 MHz

950 MHz

Boost Clock

1050 MHz

System Shared

Memory Clock

System Shared

Memory

System Shared

Memory Size

System Shared

Memory Type

System Shared

Memory Bus

System Shared

System Dependent

Bandwidth

System Dependent

Render Config

-

576

Shading Units

384

72

TMUs

48

9

ROPs

6

-

Theoretical Performance

8.550 GPixel/s

Pixel Rate

6.300 GPixel/s

68.40 GTexel/s

Texture Rate

50.40 GTexel/s

2.189 TFLOPS

FP16 (half)

1.613 TFLOPS

1094 GFLOPS

FP32 (float)

806.4 GFLOPS

273.6 GFLOPS

FP64 (double)

201.6 GFLOPS

Board Design

15W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Skylake GT4e

GPU Name

Coffee Lake GT3e

-

Generation 9.0

Architecture

Generation 9.5

Intel

Foundry

Intel

14 nm+

Process Size

14 nm+++

Unknown

Transistors

Unknown

Die Size

Unknown

Graphics Features

12 (12_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

-

6.4

Shader Model

6.4

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