AMD Radeon HD 7550M vs AMD Radeon R5 M320

Table of Contents

Graphics Processor

GPU model Thames Jet
GPU variant Thames LP Jet PRO (216-0568010)
Architecture TeraScale 2 GCN 1.0
Foundry TSMC TSMC
Manufacturing process 40 nm 28 nm
Number of transistors 716 million 690 million
Die size 104 mm² 56 mm²

Mobile graphics

Release date Jan 7th, 2012 May 5th, 2015
Generation London (HD 7500M) Crystal System (R5 M300)
Production End-of-life End-of-life
Interface PCIe 2.0 x16 PCIe 3.0 x8
Predecessor Vancouver Solar System
Successor Solar System Mobility Radeon

Clocks

Base clock 450 MHz 780 MHz
Boost clock 550 MHz 855 MHz
Memory clock 900 MHz 1800 Mbps effective 1000 MHz 2 Gbps effective

Memory Configuration

Memory size 1024 MB 4 GB
Memory type DDR3 DDR3
Memory bus width 64 bit 64 bit
Bandwidth 14.40 GB/s 16.00 GB/s

Render Configuration

Shading units 400 320
TMUs 20 20
ROPs 8 8
Compute units 5 5
Cache L1 16 KB (per CU)
Cache L2 128 KB

Performance

Pixel rate 4.400 GPixel/s 6.840 GPixel/s
Texture rate 11.00 GTexel/s 17.10 GTexel/s
FP32 (float) performance 440.0 GFLOPS 547.2 GFLOPS
FP64 (double) performance 34.20 GFLOPS (1:16)

Dimensions & Outputs

TDP 14 W unknown
Outputs No outputs No outputs
Slot width IGP

API Support & Features

DirectX 11.2 (11_0) 12 (11_1)
OpenGL 4.4 4.6
OpenCL 1.2 1.2
Vulkan 1.2
Shader model 5.0 5.1

Other Features

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