NVIDIA GeForce 800A vs NVIDIA GeForce GT 540M

Table of Contents

Graphics Processor

GPU model GF119 GF108
Architecture Fermi 2.0 Fermi
Foundry TSMC TSMC
Manufacturing process 40 nm 40 nm
Number of transistors 292 million 585 million
Die size 79 mm² 116 mm²
GPU variant N12P-GS-A1

Mobile graphics

Release date Mar 17th, 2014 Jan 5th, 2011
Generation GeForce 800A GeForce 500M
Production End-of-life End-of-life
Interface PCIe 2.0 x16 MXM-A (3.0)
Predecessor GeForce 700A GeForce 400M
Successor GeForce 900A GeForce 600M

Clocks

GPU clock 475 MHz 672 MHz
Shader clock 950 MHz 1344 MHz
Memory clock 900 MHz 1800 Mbps effective 900 MHz 1800 Mbps effective

Memory Configuration

Memory size 1024 MB 1024 MB
Memory type DDR3 DDR3
Memory bus width 64 bit 128 bit
Bandwidth 14.40 GB/s 28.80 GB/s

Render Configuration

Shading units 48 96
TMUs 8 16
ROPs 4 4
SM count 1 2
Cache L1 64 KB (per SM) 64 KB (per SM)
Cache L2 128 KB 256 KB

Performance

Pixel rate 950.0 MPixel/s 2.688 GPixel/s
Texture rate 3.800 GTexel/s 10.75 GTexel/s
FP32 (float) performance 91.20 GFLOPS 258.0 GFLOPS
FP64 (double) performance 7.600 GFLOPS (1:12) 21.50 GFLOPS (1:12)

Dimensions & Outputs

TDP 15 W 35 W
Outputs No outputs No outputs
Slot width MXM Module

API Support & Features

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

Other Features

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