AMD Radeon 550X Mobile vs AMD Radeon HD 6970M Rebrand

Table of Contents

Graphics Processor

GPU model Polaris 23 Broadway
GPU variant Polaris 23 MXT Broadway XT
Architecture GCN 4.0 TeraScale 2
Foundry GlobalFoundries TSMC
Manufacturing process 14 nm 40 nm
Number of transistors 2,200 million 1,040 million
Die size 103 mm² 166 mm²

Mobile graphics

Release date Apr 11th, 2018 Jan 4th, 2011
Generation Mobility Radeon (M500X) Vancouver (HD 6900M)
Production Active End-of-life
Interface PCIe 3.0 x8 MXM-B (3.0)
Predecessor Crystal System Manhattan
Successor London

Clocks

Base clock 1100 MHz
Boost clock 1287 MHz
Memory clock 1500 MHz 6 Gbps effective 1000 MHz 4 Gbps effective
GPU clock 800 MHz

Memory Configuration

Memory size 4 GB 1024 MB
Memory type GDDR5 GDDR5
Memory bus width 64 bit 128 bit
Bandwidth 48.00 GB/s 64.00 GB/s

Render Configuration

Shading units 640 800
TMUs 40 40
ROPs 16 16
Compute units 10 10
Cache L1 16 KB (per CU) 8 KB (per CU)
Cache L2 256 KB 256 KB

Performance

Pixel rate 20.59 GPixel/s 12.80 GPixel/s
Texture rate 51.48 GTexel/s 32.00 GTexel/s
FP16 (half) performance 1.647 TFLOPS (1:1)
FP32 (float) performance 1.647 TFLOPS 1,280 GFLOPS
FP64 (double) performance 103.0 GFLOPS (1:16)

Dimensions & Outputs

Slot width IGP MXM Module
TDP 50 W 75 W
Outputs No outputs No outputs
Power connectors None

API Support & Features

DirectX 12 (12_0) 11.2 (11_0)
OpenGL 4.6 4.4
OpenCL 2.1 1.2
Vulkan 1.2
Shader model 6.4 5.0

Other Features

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