Intel Iris Xe MAX Graphics vs ATI Mobility Radeon HD 4870 X2

VS

Intel Iris Xe MAX Graphics

ATI Mobility Radeon HD 4870 X2

We compared two Mobile platform GPUs: 4GB VRAM Iris Xe MAX Graphics and 1024MB VRAM Mobility Radeon HD 4870 X2 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 11 years and 9 months late

Boost Clock1650MHz

More VRAM (4GB vs 1024GB)

ATI Mobility Radeon HD 4870 X2 's Advantages

Larger VRAM bandwidth (89.60GB/s vs 68.26GB/s)

32 additional rendering cores

Score

Benchmark

FP32 (float)

Iris Xe MAX Graphics +187%

2.534 TFLOPS

Mobility Radeon HD 4870 X2

0.88 TFLOPS

Iris Xe MAX Graphics

VS

Mobility Radeon HD 4870 X2

Graphics Card

Oct 2020

Release Date

Jan 2009

HD Graphics-M

Generation

M9x

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

300 MHz

Base Clock

-

1650 MHz

Boost Clock

-

2133 MHz

Memory Clock

700 MHz

Memory

4GB

Memory Size

1024MB

LPDDR4X

Memory Type

GDDR5

128bit

Memory Bus

256bit

68.26GB/s

Bandwidth

89.60GB/s

Render Config

-

Compute Units

10

-

768

Shading Units

800

48

TMUs

40

24

ROPs

16

-

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

16 MB

L3 Cache

-

Theoretical Performance

39.60 GPixel/s

Pixel Rate

8.800 GPixel/s

79.20 GTexel/s

Texture Rate

22.00 GTexel/s

5.069 TFLOPS

FP16 (half)

-

2.534 TFLOPS

FP32 (float)

880.0 GFLOPS

633.6 GFLOPS

FP64 (double)

176.0 GFLOPS

Board Design

25W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

DG1

GPU Name

M98

-

GPU Variant

M98 XT L2 (216-0732023)

Generation 12.1

Architecture

TeraScale

Intel

Foundry

TSMC

10 nm

Process Size

55 nm

Unknown

Transistors

0.956 billion

95 mm²

Die Size

256 mm²

Graphics Features

12 (12_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

-

6.4

Shader Model

4.1

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