AMD Radeon HD 8870M vs Intel Iris Xe MAX Graphics

VS

AMD Radeon HD 8870M

Intel Iris Xe MAX Graphics

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M and 4GB VRAM Iris Xe MAX Graphics to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870M 's Advantages

Larger VRAM bandwidth (72.00GB/s vs 68.26GB/s)

Intel Iris Xe MAX Graphics 's Advantages

Released 7 years and 6 months late

Boost Clock has increased by 113% (1650MHz vs 775MHz)

More VRAM (4GB vs 2GB)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870M

0.992 TFLOPS

Iris Xe MAX Graphics +155%

2.534 TFLOPS

Radeon HD 8870M

VS

Iris Xe MAX Graphics

Graphics Card

Apr 2013

Release Date

Oct 2020

Solar System

Generation

HD Graphics-M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

725 MHz

Base Clock

300 MHz

775 MHz

Boost Clock

1650 MHz

1125 MHz

Memory Clock

2133 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

LPDDR4X

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

68.26GB/s

Render Config

10

Compute Units

-

640

Shading Units

768

40

TMUs

48

16

ROPs

24

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

12.40 GPixel/s

Pixel Rate

39.60 GPixel/s

31.00 GTexel/s

Texture Rate

79.20 GTexel/s

-

FP16 (half)

5.069 TFLOPS

992.0 GFLOPS

FP32 (float)

2.534 TFLOPS

62.00 GFLOPS

FP64 (double)

633.6 GFLOPS

Board Design

Unknown

TDP

25W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Venus

GPU Name

DG1

Venus XT (216-0846000)

GPU Variant

-

GCN 1.0

Architecture

Generation 12.1

TSMC

Foundry

Intel

28 nm

Process Size

10 nm

1.5 billion

Transistors

Unknown

123 mm²

Die Size

95 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

3.0

1.2.170

Vulkan

1.3

-

6.5 (5.1)

Shader Model

6.4

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