AMD Radeon RX 6800 vs AMD Radeon 540

VS

AMD Radeon RX 6800

AMD Radeon 540

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 and 1024MB VRAM AMD Radeon 540 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 's Advantages

Released 3 years and 6 months late

Boost Clock2105MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 24.00GB/s)

3456 additional rendering cores

AMD Radeon 540 's Advantages

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 +1680%

16.17 TFLOPS

AMD Radeon 540

0.908 TFLOPS

Radeon RX 6800

VS

AMD Radeon 540

Graphics Card

Oct 2020

Release Date

Apr 2017

Navi II

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1700 MHz

Base Clock

-

2105 MHz

Boost Clock

-

2000 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

32bit

512.0GB/s

Bandwidth

24.00GB/s

Render Config

60

Compute Units

6

-

3840

Shading Units

384

240

TMUs

24

96

ROPs

16

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

128 MB

L3 Cache

-

Theoretical Performance

202.1 GPixel/s

Pixel Rate

18.93 GPixel/s

505.2 GTexel/s

Texture Rate

28.39 GTexel/s

32.33 TFLOPS

FP16 (half)

908.5 GFLOPS

16.17 TFLOPS

FP32 (float)

908.5 GFLOPS

1010 GFLOPS

FP64 (double)

56.78 GFLOPS

Board Design

250W

TDP

50W

600 W

Suggested PSU

250 W

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

Outputs

2x DisplayPort 1.4a

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

Lexa

Navi 21 XL (215-121000187)

GPU Variant

Lexa PRO (215-0904018)

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

26.8 billion

Transistors

2.2 billion

520 mm²

Die Size

103 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.3

-

6.5

Shader Model

6.7

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