AMD Radeon RX 6800 vs AMD Radeon RX 580 2048SP

VS

AMD Radeon RX 6800

AMD Radeon RX 580 2048SP

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 and 4GB VRAM Radeon RX 580 2048SP 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 64% (2105MHz vs 1284MHz)

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (512.0GB/s vs 224.0GB/s)

1792 additional rendering cores

AMD Radeon RX 580 2048SP 's Advantages

Lower TDP (150W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 +207%

16.17 TFLOPS

Radeon RX 580 2048SP

5.259 TFLOPS

3DMark Time Spy

Radeon RX 6800 +331%

16233

Radeon RX 580 2048SP

3759

Radeon RX 6800

VS

Radeon RX 580 2048SP

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

1168 MHz

2105 MHz

Boost Clock

1284 MHz

2000 MHz

Memory Clock

1750 MHz

Memory

16GB

Memory Size

4GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

224.0GB/s

Render Config

60

Compute Units

32

-

3840

Shading Units

2048

240

TMUs

128

96

ROPs

32

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

2 MB

128 MB

L3 Cache

-

Theoretical Performance

202.1 GPixel/s

Pixel Rate

41.09 GPixel/s

505.2 GTexel/s

Texture Rate

164.4 GTexel/s

32.33 TFLOPS

FP16 (half)

5.259 TFLOPS

16.17 TFLOPS

FP32 (float)

5.259 TFLOPS

1010 GFLOPS

FP64 (double)

328.7 GFLOPS

Board Design

250W

TDP

150W

600 W

Suggested PSU

450 W

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

Outputs

1x DVI 1x HDMI 2.0b 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Navi 21

GPU Name

Polaris 20

Navi 21 XL (215-121000187)

GPU Variant

Polaris 20 XL (215-0910052)

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

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

-

6.5

Shader Model

6.4

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