Intel Iris Xe MAX Graphics vs AMD Radeon HD 8790M

VS

Intel Iris Xe MAX Graphics

AMD Radeon HD 8790M

We compared two Mobile platform GPUs: 4GB VRAM Iris Xe MAX Graphics and 2GB VRAM Radeon HD 8790M 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 7 years and 6 months late

Boost Clock has increased by 83% (1650MHz vs 900MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (68.26GB/s vs 64.00GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Iris Xe MAX Graphics +266%

2.534 TFLOPS

Radeon HD 8790M

0.691 TFLOPS

Iris Xe MAX Graphics

VS

Radeon HD 8790M

Graphics Card

Oct 2020

Release Date

Apr 2013

HD Graphics-M

Generation

Solar System

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

300 MHz

Base Clock

850 MHz

1650 MHz

Boost Clock

900 MHz

2133 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

2GB

LPDDR4X

Memory Type

GDDR5

128bit

Memory Bus

128bit

68.26GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

6

-

768

Shading Units

384

48

TMUs

24

ROPs

8

-

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

16 MB

L3 Cache

-

Theoretical Performance

39.60 GPixel/s

Pixel Rate

7.200 GPixel/s

79.20 GTexel/s

Texture Rate

21.60 GTexel/s

5.069 TFLOPS

FP16 (half)

-

2.534 TFLOPS

FP32 (float)

691.2 GFLOPS

633.6 GFLOPS

FP64 (double)

43.20 GFLOPS

Board Design

25W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

DG1

GPU Name

Mars

-

GPU Variant

Mars M2 XTX (216-0842036)

Generation 12.1

Architecture

GCN 1.0

Intel

Foundry

TSMC

10 nm

Process Size

28 nm

Unknown

Transistors

0.95 billion

95 mm²

Die Size

77 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

-

6.4

Shader Model

6.5 (5.1)

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