AMD Radeon RX 6800 vs Intel Arc B580

VS

AMD Radeon RX 6800

Intel Arc B580

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 and 12GB VRAM Arc B580 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 's Advantages

More VRAM (16GB vs 12GB)

Larger VRAM bandwidth (512.0GB/s vs 456.0GB/s)

1280 additional rendering cores

Intel Arc B580 's Advantages

Released 4 years and 2 months late

Boost Clock has increased by 27% (2670MHz vs 2105MHz)

Lower TDP (190W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 +18%

16.17 TFLOPS

Arc B580

13.67 TFLOPS

Radeon RX 6800

VS

Arc B580

Graphics Card

Oct 2020

Release Date

Dec 2024

Navi II

Generation

Battlemage(Arc 5)

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1700 MHz

Base Clock

2670 MHz

2105 MHz

Boost Clock

2670 MHz

2000 MHz

Memory Clock

2375 MHz

Memory

16GB

Memory Size

12GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

192bit

512.0GB/s

Bandwidth

456.0GB/s

Render Config

60

Compute Units

-

3840

Shading Units

2560

240

TMUs

160

96

ROPs

80

-

Tensor Cores

160

60

RT Cores

20

128 KB per Array

L1 Cache

256 KB (per EU)

4 MB

L2 Cache

18 MB

128 MB

L3 Cache

-

Theoretical Performance

202.1 GPixel/s

Pixel Rate

213.6 GPixel/s

505.2 GTexel/s

Texture Rate

427.2 GTexel/s

32.33 TFLOPS

FP16 (half)

27.34 TFLOPS

16.17 TFLOPS

FP32 (float)

13.67 TFLOPS

1010 GFLOPS

FP64 (double)

1.709 TFLOPS

Board Design

250W

TDP

190W

600 W

Suggested PSU

450 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

1x HDMI 2.1a3x DisplayPort 2.1

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Navi 21

GPU Name

BMG-G21

Navi 21 XL (215-121000187)

GPU Variant

SRPMF

RDNA 2.0

Architecture

Xe2

TSMC

Foundry

TSMC

7 nm

Process Size

5 nm

26.8 billion

Transistors

19.6 billion

520 mm²

Die Size

272 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.4

-

6.5

Shader Model

6.6

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