Intel Iris Pro Graphics P555 vs ATI Mobility Radeon HD 4270 IGP

VS

Intel Iris Pro Graphics P555

ATI Mobility Radeon HD 4270 IGP

We compared two Integrated graphics card GPUs: 0System Shared VRAM Iris Pro Graphics P555 and 0System Shared VRAM Mobility Radeon HD 4270 IGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Iris Pro Graphics P555 's Advantages

Released 5 years and 4 months late

Boost Clock1000MHz

344 additional rendering cores

Score

Benchmark

FP32 (float)

Iris Pro Graphics P555 +1534%

0.768 TFLOPS

Mobility Radeon HD 4270 IGP

0.047 TFLOPS

Iris Pro Graphics P555

VS

Mobility Radeon HD 4270 IGP

Graphics Card

Sep 2015

Release Date

May 2010

HD Graphics-W

Generation

TeraScale IGP

Integrated

Type

Integrated

Ring Bus

Bus Interface

PCIe 1.0 x16

Clock Speeds

350 MHz

Base Clock

-

1000 MHz

Boost Clock

-

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

-

Compute Units

2

-

384

Shading Units

40

48

TMUs

4

6

ROPs

4

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

2.360 GPixel/s

48.00 GTexel/s

Texture Rate

2.360 GTexel/s

1.536 TFLOPS

FP16 (half)

-

768.0 GFLOPS

FP32 (float)

47.20 GFLOPS

192.0 GFLOPS

FP64 (double)

-

Board Design

15W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

Skylake GT3e

GPU Name

RS880

-

GPU Variant

RS880M

Generation 9.0

Architecture

TeraScale

Intel

Foundry

-

14 nm+

Process Size

55 nm

Unknown

Transistors

0.181 billion

Unknown

Die Size

67 mm²

Graphics Features

12 (12_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.0

1.3

Vulkan

N/A

-

6.4

Shader Model

4.1

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