Intel Arc B580 vs AMD Radeon RX 6600 XT

VS

Intel Arc B580

AMD Radeon RX 6600 XT

We compared two Desktop platform GPUs: 12GB VRAM Arc B580 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 B580 's Advantages

Released 3 years and 5 months late

Boost Clock has increased by 3% (2670MHz vs 2589MHz)

More VRAM (12GB vs 8GB)

Larger VRAM bandwidth (456.0GB/s vs 256.0GB/s)

512 additional rendering cores

AMD Radeon RX 6600 XT 's Advantages

Lower TDP (160W vs 190W)

Score

Benchmark

FP32 (float)

Arc B580 +28%

13.67 TFLOPS

Radeon RX 6600 XT

10.6 TFLOPS

Arc B580

VS

Radeon RX 6600 XT

Graphics Card

Dec 2024

Release Date

Jul 2021

Battlemage(Arc 5)

Generation

Navi II

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

2670 MHz

Base Clock

1968 MHz

2670 MHz

Boost Clock

2589 MHz

2375 MHz

Memory Clock

2000 MHz

Memory

12GB

Memory Size

8GB

GDDR6

Memory Type

GDDR6

192bit

Memory Bus

128bit

456.0GB/s

Bandwidth

256.0GB/s

Render Config

-

Compute Units

32

-

2560

Shading Units

2048

160

TMUs

128

80

ROPs

64

160

Tensor Cores

-

20

RT Cores

32

256 KB (per EU)

L1 Cache

128 KB per Array

18 MB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

213.6 GPixel/s

Pixel Rate

165.7 GPixel/s

427.2 GTexel/s

Texture Rate

331.4 GTexel/s

27.34 TFLOPS

FP16 (half)

21.21 TFLOPS

13.67 TFLOPS

FP32 (float)

10.60 TFLOPS

1.709 TFLOPS

FP64 (double)

662.8 GFLOPS

Board Design

190W

TDP

160W

450 W

Suggested PSU

450 W

1x HDMI 2.1a3x DisplayPort 2.1

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

1x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

BMG-G21

GPU Name

Navi 23

SRPMF

GPU Variant

Navi 23 XT (215-130000006)

Xe2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

7 nm

19.6 billion

Transistors

11.06 billion

272 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

1.4

Vulkan

1.3

-

6.6

Shader Model

6.7

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