AMD Radeon RX 6800S vs AMD Radeon RX 540 Mobile

VS

AMD Radeon RX 6800S

AMD Radeon RX 540 Mobile

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 6800S and 2GB VRAM Radeon RX 540 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800S 's Advantages

Released 4 years and 2 months late

Boost Clock has increased by 72% (2100MHz vs 1219MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 96.00GB/s)

1536 additional rendering cores

AMD Radeon RX 540 Mobile 's Advantages

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 6800S +589%

8.602 TFLOPS

Radeon RX 540 Mobile

1.248 TFLOPS

Radeon RX 6800S

VS

Radeon RX 540 Mobile

Graphics Card

Jan 2022

Release Date

Nov 2017

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1800 MHz

Base Clock

1124 MHz

2100 MHz

Boost Clock

1219 MHz

2000 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

128bit

256.0GB/s

Bandwidth

96.00GB/s

Render Config

32

Compute Units

8

-

2048

Shading Units

512

128

TMUs

32

64

ROPs

16

-

32

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

32 MB

L3 Cache

-

Theoretical Performance

134.4 GPixel/s

Pixel Rate

19.50 GPixel/s

268.8 GTexel/s

Texture Rate

39.01 GTexel/s

17.20 TFLOPS

FP16 (half)

1248 GFLOPS

8.602 TFLOPS

FP32 (float)

1248 GFLOPS

537.6 GFLOPS

FP64 (double)

78.02 GFLOPS

Board Design

100W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 23

GPU Name

Lexa

-

GPU Variant

Lexa PRO (215-0904018)

RDNA 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

11.06 billion

Transistors

2.2 billion

237 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

1.2

-

6.5

Shader Model

6.4

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