AMD Radeon Pro 450 vs AMD Radeon RX 550 Mobile

Table of Contents

Graphics Processor

GPU model Baffin Lexa
GPU variant Baffin LE Lexa PRO (215-0904018)
Architecture GCN 4.0 GCN 4.0
Foundry GlobalFoundries GlobalFoundries
Manufacturing process 14 nm 14 nm
Number of transistors 3,000 million 2,200 million
Die size 123 mm² 103 mm²

Mobile graphics

Release date Oct 30th, 2016 Jul 2nd, 2017
Generation Radeon Pro Mac (400 Series) Mobility Radeon (RX M500)
Production Active End-of-life
Interface PCIe 3.0 x8 PCIe 3.0 x8
Predecessor Crystal System

Clocks

GPU clock 800 MHz
Memory clock 1270 MHz 5.1 Gbps effective 1500 MHz 6 Gbps effective
Base clock 1100 MHz
Boost clock 1287 MHz

Memory Configuration

Memory size 2 GB 2 GB
Memory type GDDR5 GDDR5
Memory bus width 128 bit 128 bit
Bandwidth 81.28 GB/s 96.00 GB/s

Render Configuration

Shading units 640 640
TMUs 40 40
ROPs 16 16
Compute units 10 10
Cache L1 16 KB (per CU) 16 KB (per CU)
Cache L2 1024 KB 512 KB

Performance

Pixel rate 12.80 GPixel/s 20.59 GPixel/s
Texture rate 32.00 GTexel/s 51.48 GTexel/s
FP16 (half) performance 1,024 GFLOPS (1:1) 1.647 TFLOPS (1:1)
FP32 (float) performance 1,024 GFLOPS 1.647 TFLOPS
FP64 (double) performance 64.00 GFLOPS (1:16) 103.0 GFLOPS (1:16)

Dimensions & Outputs

Slot width MXM Module IGP
TDP 35 W 50 W
Outputs No outputs No outputs
Power connectors None

API Support & Features

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

Other Features

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