AMD Radeon HD 7730M vs AMD Radeon R7 M270

Table of Contents

Graphics Processor

GPU model Chelsea Opal
GPU variant Chelsea LE (216-0834065) Opal XT
Architecture GCN 1.0 GCN 1.0
Foundry TSMC TSMC
Manufacturing process 28 nm 28 nm
Number of transistors 1,500 million 950 million
Die size 123 mm² 77 mm²

Mobile graphics

Release date Apr 24th, 2012 Jan 9th, 2014
Generation London (HD 7700M) Crystal System (R7 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 575 MHz 725 MHz
Boost clock 675 MHz 825 MHz
Memory clock 900 MHz 1800 Mbps effective 900 MHz 1800 Mbps effective

Memory Configuration

Memory size 2 GB 2 GB
Memory type DDR3 DDR3
Memory bus width 128 bit 128 bit
Bandwidth 28.80 GB/s 28.80 GB/s

Render Configuration

Shading units 512 384
TMUs 32 24
ROPs 16 8
Compute units 8 6
Cache L1 16 KB (per CU) 16 KB (per CU)
Cache L2 256 KB 256 KB

Performance

Pixel rate 10.80 GPixel/s 6.600 GPixel/s
Texture rate 21.60 GTexel/s 19.80 GTexel/s
FP32 (float) performance 691.2 GFLOPS 633.6 GFLOPS
FP64 (double) performance 43.20 GFLOPS (1:16)

Dimensions & Outputs

TDP 25 W unknown
Outputs No outputs No outputs

API Support & Features

DirectX 12 (11_1) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 1.2 1.2
Vulkan 1.2 1.2
Shader model 5.1 5.1

Other Features

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