AMD Radeon RX 6800 vs AMD Radeon RX 580G

VS

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 and 8GB VRAM Radeon RX 580G to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 's Advantages

Released 2 years late

Boost Clock has increased by 58% (2105MHz vs 1330MHz)

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (512.0GB/s vs 256.0GB/s)

1536 additional rendering cores

AMD Radeon RX 580G 's Advantages

Lower TDP (185W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 +163%

16.17 TFLOPS

Radeon RX 580G

6.129 TFLOPS

Radeon RX 6800

VS

Radeon RX 580G

Graphics Card

Oct 2020

Release Date

Oct 2018

Navi II

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1700 MHz

Base Clock

1257 MHz

2105 MHz

Boost Clock

1330 MHz

2000 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

8GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

-

60

Compute Units

36

3840

Shading Units

2304

240

TMUs

144

96

ROPs

32

-

Tensor Cores

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

2 MB

Theoretical Performance

202.1 GPixel/s

Pixel Rate

42.56 GPixel/s

505.2 GTexel/s

Texture Rate

191.5 GTexel/s

32.33 TFLOPS

FP16 (half)

6.129 TFLOPS

16.17 TFLOPS

FP32 (float)

6.129 TFLOPS

1010 GFLOPS

FP64 (double)

383.0 GFLOPS

Graphics Processor

Navi 21

GPU Name

Polaris 20

Navi 21 XL (215-121000187)

GPU Variant

Polaris 20 XTX (215-0910038)

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

26.8 billion

Transistors

5.7 billion

520 mm²

Die Size

232 mm²

Board Design

250W

TDP

185W

600 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 8-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.2

-

CUDA

-

6.5

Shader Model

6.4

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