AMD Radeon 540X Mobile vs AMD Radeon Vega 6 Mobile

Table of Contents

Graphics Processor

GPU model Lexa Picasso
GPU variant Lexa PRO (215-0904018)
Architecture GCN 4.0 GCN 5.0
Foundry GlobalFoundries GlobalFoundries
Manufacturing process 14 nm 14 nm
Number of transistors 2,200 million 4,940 million
Die size 103 mm² 210 mm²

Mobile graphics

Release date Feb 11th, 2019
Generation Mobility Radeon (M500X)
Production End-of-life
Interface PCIe 3.0 x8
Predecessor Crystal System

Clocks

Base clock 980 MHz 300 MHz
Boost clock 1095 MHz 1200 MHz
Memory clock 1000 MHz 4 Gbps effective System Shared

Memory Configuration

Memory size 2 GB System Shared
Memory type GDDR5 System Shared
Memory bus width 64 bit System Shared
Bandwidth 32.00 GB/s System Dependent

Render Configuration

Shading units 512 384
TMUs 32 24
ROPs 16 8
Compute units 8 6
Cache L1 16 KB (per CU)
Cache L2 512 KB

Performance

Pixel rate 17.52 GPixel/s 9.600 GPixel/s
Texture rate 35.04 GTexel/s 28.80 GTexel/s
FP16 (half) performance 1,121 GFLOPS (1:1) 1.843 TFLOPS (2:1)
FP32 (float) performance 1,121 GFLOPS 921.6 GFLOPS
FP64 (double) performance 70.08 GFLOPS (1:16) 57.60 GFLOPS (1:16)

Dimensions & Outputs

Slot width Dual-slot IGP
TDP 50 W 15 W
Outputs No outputs No outputs
Power connectors None

API Support & Features

DirectX 12 (12_0) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 2.1 2.1
Vulkan 1.2 1.2
Shader model 6.4 6.4

Other Features

Integrated Graphics

Release date Jan 6th, 2019
Generation Picasso (Vega Mobile)
Production Active
Interface IGP
Predecessor Raven Ridge
Successor Renoir

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