AMD Radeon RX 550X vs ATI Graphics Ultra Pro ISA

Table of Contents

Graphics Processor

GPU model Lexa Mach32
GPU variant Lexa PRO (215-0904018) Mach32-03 (2106880003)
Architecture GCN 4.0 Mach
Foundry GlobalFoundries
Manufacturing process 14 nm 700 nm
Number of transistors 2,200 million unknown
Die size 103 mm² 90 mm²

Graphics Card

Release date Dec 16th, 2018 1992
Generation Polaris Mach 32
Production End-of-life End-of-life
Interface PCIe 3.0 x8 PCI
Predecessor Polaris Mach 8
Successor Vega Mach 64
Launch price 799 USD

Clocks

Base clock 1100 MHz
Boost clock 1183 MHz
Memory clock 1500 MHz 6 Gbps effective 10 MHz
GPU clock 10 MHz

Memory Configuration

Memory size 4 GB 2 MB
Memory type GDDR5 DRAM
Memory bus width 128 bit 64 bit
Bandwidth 96.00 GB/s 80.00 MB/s

Render Configuration

Shading units 512
TMUs 32 0
ROPs 16 1
Compute units 8
Cache L1 16 KB (per CU)
Cache L2 512 KB
Pixel shaders 1
Vertex shaders 0

Performance

Pixel rate 18.93 GPixel/s 10.00 MPixel/s
Texture rate 37.86 GTexel/s 0 MTexel/s
FP16 (half) performance 1,211 GFLOPS (1:1)
FP32 (float) performance 1,211 GFLOPS
FP64 (double) performance 75.71 GFLOPS (1:16)

Dimensions & Outputs

Slot width Dual-slot Single-slot
Length 145 mm 5.7 inches
TDP 50 W unknown
Suggested PSU 250 W 200 W
Outputs 1x DVI1x HDMI1x DisplayPort 1x VGA
Power connectors None
Board number D090 193

API Support & Features

DirectX 12 (12_0)
OpenGL 4.6
OpenCL 2.1
Vulkan 1.2
Shader model 6.4
Pixel shader
Vertex shader

Other Features

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