Intel Arc A780 vs AMD Radeon RX 6600 XT

VS

Intel Arc A780

AMD Radeon RX 6600 XT

We compared two Desktop platform GPUs: 16GB VRAM Arc A780 and 8GB VRAM Radeon RX 6600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A780 's Advantages

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (559.6GB/s vs 256.0GB/s)

2048 additional rendering cores

AMD Radeon RX 6600 XT 's Advantages

Boost Clock has increased by 18% (2589MHz vs 2200MHz)

Lower TDP (160W vs 200W)

Score

Benchmark

FP32 (float)

Arc A780 +70%

18.02 TFLOPS

Radeon RX 6600 XT

10.6 TFLOPS

Arc A780

VS

Radeon RX 6600 XT

Graphics Card

Unknown

Release Date

Jul 2021

Alchemist(Arc 7)

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

2200 MHz

Base Clock

1968 MHz

2200 MHz

Boost Clock

2589 MHz

1093 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

8GB

GDDR6X

Memory Type

GDDR6

256bit

Memory Bus

128bit

559.6GB/s

Bandwidth

256.0GB/s

Render Config

-

Compute Units

32

-

4096

Shading Units

2048

256

TMUs

128

ROPs

64

512

Tensor Cores

-

32

RT Cores

32

-

L1 Cache

128 KB per Array

16 MB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

281.6 GPixel/s

Pixel Rate

165.7 GPixel/s

563.2 GTexel/s

Texture Rate

331.4 GTexel/s

36.04 TFLOPS

FP16 (half)

21.21 TFLOPS

18.02 TFLOPS

FP32 (float)

10.60 TFLOPS

2.253 TFLOPS

FP64 (double)

662.8 GFLOPS

Board Design

200W

TDP

160W

550 W

Suggested PSU

450 W

1x HDMI 2.13x DisplayPort 2.0

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

DG2-512

GPU Name

Navi 23

ACM-G10

GPU Variant

Navi 23 XT (215-130000006)

Generation 12.7

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

6 nm

Process Size

7 nm

21.7 billion

Transistors

11.06 billion

406 mm²

Die Size

237 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

6.7

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