AMD Radeon RX 6600 vs Intel Arc A780

VS

AMD Radeon RX 6600 Intel Arc A780

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

Main Differences

AMD Radeon RX 6600 's Advantages

Boost Clock has increased by 13% (2491MHz vs 2200MHz)

Lower TDP (132W vs 200W)

Intel Arc A780 's Advantages

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (559.6GB/s vs 224.0GB/s)

2304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6600

8.928 TFLOPS

Arc A780 +101%

18.02 TFLOPS

Radeon RX 6600

VS

Arc A780

Graphics Card

Oct 2021

Release Date

Unknown

Navi II

Generation

Alchemist

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1626 MHz

Base Clock

2200 MHz

2491 MHz

Boost Clock

2200 MHz

1750 MHz

Memory Clock

1093 MHz

Memory

8GB

Memory Size

16GB

GDDR6

Memory Type

GDDR6X

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

559.6GB/s

Render Config

-

SM Count

-

28

Compute Units

-

1792

Shading Units

4096

112

TMUs

256

64

ROPs

128

-

Tensor Cores

512

28

RT Cores

32

128 KB per Array

L1 Cache

-

2 MB

L2 Cache

16 MB

Theoretical Performance

159.4 GPixel/s

Pixel Rate

281.6 GPixel/s

279.0 GTexel/s

Texture Rate

563.2 GTexel/s

17.86 TFLOPS

FP16 (half)

36.04 TFLOPS

8.928 TFLOPS

FP32 (float)

18.02 TFLOPS

558.0 GFLOPS

FP64 (double)

-

Graphics Processor

Navi 23

GPU Name

DG2-512

Navi 23 XL (215-130000016)

GPU Variant

ACM-G10

RDNA 2.0

Architecture

Generation 12.7

TSMC

Foundry

TSMC

7 nm

Process Size

6 nm

11.06 billion

Transistors

21.7 billion

237 mm²

Die Size

406 mm²

Board Design

132W

TDP

200W

300 W

Suggested PSU

550 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x HDMI 2.1 3x DisplayPort 2.0

1x 8-pin

Power Connectors

2x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

-

6.5

Shader Model

6.6

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