AMD Radeon HD 7470M vs AMD Radeon R5 M230 Rebrand

Table of Contents

Graphics Processor

GPU model Seymour Sun
GPU variant Seymour XT (216-0810084) Sun LE
Architecture TeraScale 2 GCN 1.0
Foundry TSMC TSMC
Manufacturing process 40 nm 28 nm
Number of transistors 370 million 690 million
Die size 67 mm² 56 mm²

Mobile graphics

Release date Jan 7th, 2012 May 31st, 2014
Generation London (HD 7400M) Crystal System (R5 M200)
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 750 MHz 780 MHz
Boost clock 800 MHz 850 MHz
Memory clock 900 MHz 1800 Mbps effective 900 MHz 1800 Mbps effective

Memory Configuration

Memory size 1024 MB 2 GB
Memory type DDR3 DDR3
Memory bus width 64 bit 64 bit
Bandwidth 14.40 GB/s 14.40 GB/s

Render Configuration

Shading units 160 320
TMUs 8 20
ROPs 4 8
Compute units 2 5
Cache L1 8 KB (per CU) 16 KB (per CU)
Cache L2 128 KB 128 KB

Performance

Pixel rate 3.200 GPixel/s 6.800 GPixel/s
Texture rate 6.400 GTexel/s 17.00 GTexel/s
FP32 (float) performance 256.0 GFLOPS 544.0 GFLOPS
FP64 (double) performance 34.00 GFLOPS (1:16)

Dimensions & Outputs

TDP 25 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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