Intel Iris Plus Graphics 645 vs AMD Radeon Vega 8 Mobile

VS

Intel Iris Plus Graphics 645 AMD Radeon Vega 8 Mobile

We compared two Integrated graphics card GPUs: 0System Shared VRAM Iris Plus Graphics 645 and 0System Shared VRAM Radeon Vega 8 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Iris Plus Graphics 645 's Advantages

Lower TDP (15W vs 45W)

AMD Radeon Vega 8 Mobile 's Advantages

Released 1 years and 3 months late

Boost Clock has increased by 90% (2000MHz vs 1050MHz)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Iris Plus Graphics 645

0.806 TFLOPS

Radeon Vega 8 Mobile +154%

2.048 TFLOPS

Iris Plus Graphics 645

VS

Radeon Vega 8 Mobile

Graphics Card

Oct 2019

Release Date

Jan 2021

HD Graphics-M

Generation

Cezanne

Integrated

Type

Integrated

Ring Bus

Bus Interface

IGP

Clock Speeds

300 MHz

Base Clock

300 MHz

1050 MHz

Boost Clock

2000 MHz

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

-

SM Count

-

Compute Units

8

384

Shading Units

512

48

TMUs

32

6

ROPs

8

-

Tensor Cores

-

RT Cores

-

L1 Cache

-

L2 Cache

-

Theoretical Performance

6.300 GPixel/s

Pixel Rate

16.00 GPixel/s

50.40 GTexel/s

Texture Rate

64.00 GTexel/s

1.613 TFLOPS

FP16 (half)

4.096 TFLOPS

806.4 GFLOPS

FP32 (float)

2.048 TFLOPS

201.6 GFLOPS

FP64 (double)

128.0 GFLOPS

Graphics Processor

Coffee Lake GT3e

GPU Name

Cezanne

-

GPU Variant

-

Generation 9.5

Architecture

GCN 5.1

Intel

Foundry

TSMC

14 nm+++

Process Size

7 nm

Unknown

Transistors

9.8 billion

Unknown

Die Size

156 mm²

Board Design

15W

TDP

45W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (12_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.4

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