Intel Iris Pro Graphics P555 vs Intel Iris Pro Graphics 580

VS

Intel Iris Pro Graphics P555

Intel Iris Pro Graphics 580

We compared two Integrated graphics card GPUs: 0System Shared VRAM Iris Pro Graphics P555 and 0System Shared VRAM Iris Pro Graphics 580 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Iris Pro Graphics P555 's Advantages

Boost Clock has increased by 5% (1000MHz vs 950MHz)

Intel Iris Pro Graphics 580 's Advantages

192 additional rendering cores

Score

Benchmark

FP32 (float)

Iris Pro Graphics P555

0.768 TFLOPS

Iris Pro Graphics 580 +42%

1.094 TFLOPS

Iris Pro Graphics P555

VS

Iris Pro Graphics 580

Graphics Card

Sep 2015

Release Date

Sep 2015

HD Graphics-W

Generation

HD Graphics-M

Integrated

Type

Integrated

Ring Bus

Bus Interface

Ring Bus

Clock Speeds

350 MHz

Base Clock

350 MHz

1000 MHz

Boost Clock

950 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

-

384

Shading Units

576

48

TMUs

72

6

ROPs

9

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

8.550 GPixel/s

48.00 GTexel/s

Texture Rate

68.40 GTexel/s

1.536 TFLOPS

FP16 (half)

2.189 TFLOPS

768.0 GFLOPS

FP32 (float)

1094 GFLOPS

192.0 GFLOPS

FP64 (double)

273.6 GFLOPS

Board Design

15W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Skylake GT3e

GPU Name

Skylake GT4e

-

Generation 9.0

Architecture

Generation 9.0

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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