Intel Arc A780 vs AMD Radeon Pro W6900X

VS

Intel Arc A780

AMD Radeon Pro W6900X

We compared two Desktop platform GPUs: 16GB VRAM Arc A780 and 32GB VRAM Radeon Pro W6900X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A780 's Advantages

Boost Clock has increased by 2% (2200MHz vs 2150MHz)

Larger VRAM bandwidth (559.6GB/s vs 512.0GB/s)

Lower TDP (200W vs 300W)

AMD Radeon Pro W6900X 's Advantages

More VRAM (32GB vs 16GB)

1024 additional rendering cores

Score

Benchmark

FP32 (float)

Arc A780

18.02 TFLOPS

Radeon Pro W6900X +22%

22.02 TFLOPS

Arc A780

VS

Radeon Pro W6900X

Graphics Card

Unknown

Release Date

Aug 2021

Alchemist(Arc 7)

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

2200 MHz

Base Clock

1825 MHz

2200 MHz

Boost Clock

2150 MHz

1093 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

32GB

GDDR6X

Memory Type

GDDR6

256bit

Memory Bus

256bit

559.6GB/s

Bandwidth

512.0GB/s

Render Config

-

Compute Units

80

-

4096

Shading Units

5120

256

TMUs

320

128

ROPs

128

512

Tensor Cores

-

32

RT Cores

80

-

L1 Cache

128 KB per Array

16 MB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

281.6 GPixel/s

Pixel Rate

275.2 GPixel/s

563.2 GTexel/s

Texture Rate

688.0 GTexel/s

36.04 TFLOPS

FP16 (half)

44.03 TFLOPS

18.02 TFLOPS

FP32 (float)

22.02 TFLOPS

2.253 TFLOPS

FP64 (double)

1376 GFLOPS

Board Design

200W

TDP

300W

550 W

Suggested PSU

700 W

1x HDMI 2.13x DisplayPort 2.0

Outputs

1x HDMI 2.1 4x Thunderbolt

2x 8-pin

Power Connectors

None

Graphics Processor

DG2-512

GPU Name

Navi 21

ACM-G10

GPU Variant

Navi 21 Pro-XTA

Generation 12.7

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

6 nm

Process Size

7 nm

21.7 billion

Transistors

26.8 billion

406 mm²

Die Size

520 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.3

-

6.6

Shader Model

6.5

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