Intel Iris Pro Graphics 580 vs Intel HD Graphics 400

VS

Intel Iris Pro Graphics 580

Intel HD Graphics 400

We compared two Integrated graphics card GPUs: 0System Shared VRAM Iris Pro Graphics 580 and 0System Shared VRAM HD Graphics 400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Iris Pro Graphics 580 's Advantages

Boost Clock has increased by 58% (950MHz vs 600MHz)

480 additional rendering cores

Intel HD Graphics 400 's Advantages

Lower TDP (6W vs 15W)

Score

Benchmark

FP32 (float)

Iris Pro Graphics 580 +851%

1.094 TFLOPS

HD Graphics 400

0.115 TFLOPS

Iris Pro Graphics 580

VS

HD Graphics 400

Graphics Card

Sep 2015

Release Date

Apr 2015

HD Graphics-M

Generation

HD Graphics-T

Integrated

Type

Integrated

Ring Bus

Bus Interface

Ring Bus

Clock Speeds

350 MHz

Base Clock

320 MHz

950 MHz

Boost Clock

600 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

96

72

TMUs

12

9

ROPs

2

-

Theoretical Performance

8.550 GPixel/s

Pixel Rate

1.200 GPixel/s

68.40 GTexel/s

Texture Rate

7.200 GTexel/s

2.189 TFLOPS

FP16 (half)

-

1094 GFLOPS

FP32 (float)

115.2 GFLOPS

273.6 GFLOPS

FP64 (double)

28.80 GFLOPS

Board Design

15W

TDP

6W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Skylake GT4e

GPU Name

Braswell GT1

-

Generation 9.0

Architecture

Generation 8.0

Intel

Foundry

Intel

14 nm+

Process Size

14 nm

Unknown

Transistors

Unknown

Die Size

Unknown

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.3

3.0

OpenCL

3.0

1.3

Vulkan

1.0

-

6.4

Shader Model

5.1

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