AMD Radeon Pro Vega 20 vs AMD Radeon 540X Mobile

VS

AMD Radeon Pro Vega 20 AMD Radeon 540X Mobile

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro Vega 20 and 2GB VRAM Radeon 540X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega 20 's Advantages

Boost Clock has increased by 17% (1283MHz vs 1095MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (189.4GB/s vs 32.00GB/s)

768 additional rendering cores

AMD Radeon 540X Mobile 's Advantages

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega 20 +192%

3.284 TFLOPS

Radeon 540X Mobile

1.121 TFLOPS

Radeon Pro Vega 20

VS

Radeon 540X Mobile

Graphics Card

Nov 2018

Release Date

Feb 2019

Radeon Pro Mac

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

815 MHz

Base Clock

980 MHz

1283 MHz

Boost Clock

1095 MHz

740 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

2GB

HBM2

Memory Type

GDDR5

1024bit

Memory Bus

64bit

189.4GB/s

Bandwidth

32.00GB/s

Render Config

-

SM Count

-

20

Compute Units

8

1280

Shading Units

512

80

TMUs

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

512 KB

Theoretical Performance

41.06 GPixel/s

Pixel Rate

17.52 GPixel/s

102.6 GTexel/s

Texture Rate

35.04 GTexel/s

6.569 TFLOPS

FP16 (half)

1121 GFLOPS

3.284 TFLOPS

FP32 (float)

1121 GFLOPS

205.3 GFLOPS

FP64 (double)

70.08 GFLOPS

Graphics Processor

Vega 12

GPU Name

Lexa

Vega 12 XTA

GPU Variant

Lexa PRO (215-0904018)

GCN 5.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

Unknown

Transistors

2.2 billion

Unknown

Die Size

103 mm²

Board Design

100W

TDP

50W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

CUDA

-

6.3

Shader Model

6.4

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