AMD Radeon HD 7660G IGP vs NVIDIA GeForce GT 540M

Table of Contents

Graphics Processor

GPU model Devastator GF108
Architecture TeraScale 3 Fermi
Foundry TSMC TSMC
Manufacturing process 32 nm 40 nm
Number of transistors 1,303 million 585 million
Die size 246 mm² 116 mm²
GPU variant N12P-GS-A1

Integrated Graphics

Release date May 15th, 2012
Generation Trinity (HD 7000 Mobile)
Production End-of-life
Interface IGP
Predecessor Sumo
Successor Richland

Clocks

GPU clock 686 MHz 672 MHz
Memory clock System Shared 900 MHz 1800 Mbps effective
Shader clock 1344 MHz

Memory Configuration

Memory size System Shared 1024 MB
Memory type System Shared DDR3
Memory bus width System Shared 128 bit
Bandwidth System Dependent 28.80 GB/s

Render Configuration

Shading units 384 96
TMUs 24 16
ROPs 8 4
Compute units 6
SM count 2
Cache L1 64 KB (per SM)
Cache L2 256 KB

Performance

Pixel rate 5.488 GPixel/s 2.688 GPixel/s
Texture rate 16.46 GTexel/s 10.75 GTexel/s
FP32 (float) performance 526.8 GFLOPS 258.0 GFLOPS
FP64 (double) performance 21.50 GFLOPS (1:12)

Dimensions & Outputs

Slot width IGP MXM Module
TDP 35 W 35 W
Outputs No outputs No outputs

API Support & Features

DirectX 11.2 (11_0) 12 (11_0)
OpenGL 4.4 4.6
OpenCL 1.2 1.1
Vulkan
Shader model 5.0 5.1
CUDA 2.1

Other Features

Mobile graphics

Release date Jan 5th, 2011
Generation GeForce 500M
Production End-of-life
Interface MXM-A (3.0)
Predecessor GeForce 400M
Successor GeForce 600M

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