AMD Radeon 550X vs AMD Radeon Vega 8 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

Graphics Card

Release date Mar 27th, 2019
Generation Polaris
Production End-of-life
Interface PCIe 3.0 x8
Predecessor Polaris
Successor Vega

Clocks

Base clock 1082 MHz 300 MHz
Boost clock 1218 MHz 1200 MHz
Memory clock 1750 MHz 7 Gbps effective System Shared

Memory Configuration

Memory size 2 GB System Shared
Memory type GDDR5 System Shared
Memory bus width 128 bit System Shared
Bandwidth 112.0 GB/s System Dependent

Render Configuration

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

Performance

Pixel rate 19.49 GPixel/s 9.600 GPixel/s
Texture rate 38.98 GTexel/s 38.40 GTexel/s
FP16 (half) performance 1,247 GFLOPS (1:1) 2.458 TFLOPS (2:1)
FP32 (float) performance 1,247 GFLOPS 1,229 GFLOPS
FP64 (double) performance 77.95 GFLOPS (1:16) 76.80 GFLOPS (1:16)

Dimensions & Outputs

Slot width Dual-slot IGP
Length 145 mm 5.7 inches
TDP 50 W 15 W
Suggested PSU 250 W
Outputs 1x DVI1x HDMI1x DisplayPort No outputs
Power connectors None
Board number D090

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 Apr 8th, 2019
Generation Picasso (Vega Mobile)
Production Active
Interface IGP
Predecessor Raven Ridge
Successor Renoir

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