AMD Radeon 550X vs AMD Radeon Vega 7 Mobile

Table of Contents

Graphics Processor

GPU model Lexa Cezanne
GPU variant Lexa PRO (215-0904018)
Architecture GCN 4.0 GCN 5.1
Foundry GlobalFoundries TSMC
Manufacturing process 14 nm 7 nm
Number of transistors 2,200 million 9,800 million
Die size 103 mm² 156 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 1900 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 512 448
TMUs 32 28
ROPs 16 8
Compute units 8 7
Cache L1 16 KB (per CU)
Cache L2 512 KB

Performance

Pixel rate 19.49 GPixel/s 15.20 GPixel/s
Texture rate 38.98 GTexel/s 53.20 GTexel/s
FP16 (half) performance 1,247 GFLOPS (1:1) 3.405 TFLOPS (2:1)
FP32 (float) performance 1,247 GFLOPS 1.702 TFLOPS
FP64 (double) performance 77.95 GFLOPS (1:16) 106.4 GFLOPS (1:16)

Dimensions & Outputs

Slot width Dual-slot IGP
Length 145 mm 5.7 inches
TDP 50 W 45 W
Suggested PSU 250 W
Outputs 1x DVI1x HDMI1x DisplayPort No outputs
Power connectors None 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 13th, 2021
Generation Cezanne (Vega Mobile)
Predecessor Renoir
Production Active
Interface IGP

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