Intel Iris Xe MAX Graphics vs AMD Radeon R5 M255

VS

Intel Iris Xe MAX Graphics AMD Radeon R5 M255

We compared two Mobile platform GPUs: 4GB VRAM Iris Xe MAX Graphics and 2GB VRAM Radeon R5 M255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Iris Xe MAX Graphics 's Advantages

Released 6 years late

Boost Clock has increased by 76% (1650MHz vs 940MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (68.26GB/s vs 32.00GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Iris Xe MAX Graphics +251%

2.534 TFLOPS

Radeon R5 M255

0.721 TFLOPS

Iris Xe MAX Graphics

VS

Radeon R5 M255

Graphics Card

Oct 2020

Release Date

Oct 2014

HD Graphics-M

Generation

Gem System

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

300 MHz

Base Clock

925 MHz

1650 MHz

Boost Clock

940 MHz

2133 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

2GB

LPDDR4X

Memory Type

DDR3

128bit

Memory Bus

128bit

68.26GB/s

Bandwidth

32.00GB/s

Render Config

-

SM Count

-

Compute Units

6

768

Shading Units

384

48

TMUs

24

ROPs

8

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

Theoretical Performance

39.60 GPixel/s

Pixel Rate

7.520 GPixel/s

79.20 GTexel/s

Texture Rate

22.56 GTexel/s

5.069 TFLOPS

FP16 (half)

721.9 GFLOPS

2.534 TFLOPS

FP32 (float)

721.9 GFLOPS

633.6 GFLOPS

FP64 (double)

45.12 GFLOPS

Graphics Processor

DG1

GPU Name

Topaz

-

GPU Variant

Topaz PRO (216-0858030)

Generation 12.1

Architecture

GCN 3.0

Intel

Foundry

TSMC

10 nm

Process Size

28 nm

Unknown

Transistors

1.55 billion

95 mm²

Die Size

125 mm²

Board Design

25W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2.170

-

CUDA

-

6.4

Shader Model

6.5

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