AMD Radeon 780M vs Intel Iris Plus Graphics 645

VS

AMD Radeon 780M

Intel Iris Plus Graphics 645

We compared two Integrated graphics card GPUs: 0System Shared VRAM AMD Radeon 780M and 0System Shared VRAM Iris Plus Graphics 645 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 780M 's Advantages

Released 3 years and 3 months late

Boost Clock has increased by 157% (2700MHz vs 1050MHz)

384 additional rendering cores

Score

Benchmark

FP32 (float)

AMD Radeon 780M +929%

8.294 TFLOPS

Iris Plus Graphics 645

0.806 TFLOPS

AMD Radeon 780M

VS

Iris Plus Graphics 645

Graphics Card

Jan 2023

Release Date

Oct 2019

Navi III IGP

Generation

HD Graphics-M

Integrated

Type

Integrated

PCIe 4.0 x8

Bus Interface

Ring Bus

Clock Speeds

800 MHz

Base Clock

300 MHz

2700 MHz

Boost Clock

1050 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

12

Compute Units

-

768

Shading Units

384

48

TMUs

48

32

ROPs

6

-

12

RT Cores

-

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

-

Theoretical Performance

86.40 GPixel/s

Pixel Rate

6.300 GPixel/s

129.6 GTexel/s

Texture Rate

50.40 GTexel/s

16.59 TFLOPS

FP16 (half)

1.613 TFLOPS

8.294 TFLOPS

FP32 (float)

806.4 GFLOPS

518.4 GFLOPS

FP64 (double)

201.6 GFLOPS

Board Design

15W

TDP

15W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Phoenix

GPU Name

Coffee Lake GT3e

-

RDNA 3.0

Architecture

Generation 9.5

TSMC

Foundry

Intel

4 nm

Process Size

14 nm+++

25.39 billion

Transistors

Unknown

178 mm²

Die Size

Unknown

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

6.7

Shader Model

6.4

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