NVIDIA GeForce 940A vs NVIDIA GeForce GT 545

Table of Contents

Graphics Processor

GPU model GM108 GF116
GPU variant N16S-GT-S
Architecture Maxwell Fermi 2.0
Foundry TSMC TSMC
Manufacturing process 28 nm 40 nm
Number of transistors unknown 1,170 million
Die size unknown 238 mm²

Mobile graphics

Release date Mar 13th, 2015
Generation GeForce 900A
Production End-of-life
Interface PCIe 3.0 x8
Predecessor GeForce 800A

Clocks

Base clock 1072 MHz
Boost clock 1176 MHz
Memory clock 1001 MHz 2 Gbps effective 800 MHz 1600 Mbps effective
GPU clock 720 MHz
Shader clock 1440 MHz

Memory Configuration

Memory size 2 GB 1536 MB
Memory type DDR3 DDR3
Memory bus width 64 bit 192 bit
Bandwidth 16.02 GB/s 38.40 GB/s

Render Configuration

Shading units 384 144
TMUs 16 24
ROPs 8 16
SMM count 3
Cache L1 64 KB (per SMM) 64 KB (per SM)
Cache L2 1024 KB 384 KB
SM count 3

Performance

Pixel rate 9.408 GPixel/s 4.320 GPixel/s
Texture rate 18.82 GTexel/s 17.28 GTexel/s
FP32 (float) performance 903.2 GFLOPS 414.7 GFLOPS
FP64 (double) performance 28.22 GFLOPS (1:32) 34.56 GFLOPS (1:12)

Dimensions & Outputs

Slot width IGP Single-slot
TDP 33 W 70 W
Outputs No outputs 1x DVI1x HDMI1x VGA
Length 145 mm 5.7 inches
Suggested PSU 250 W
Power connectors None
Board number P1062

API Support & Features

DirectX 12 (11_0) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 3.0 1.1
Vulkan 1.1
CUDA 5.0 2.1
Shader model 5.1 5.1

Other Features

Graphics Card

Release date May 14th, 2011
Generation GeForce 500
Production End-of-life
Launch price 149 USD
Interface PCIe 2.0 x16
Predecessor GeForce 400
Successor GeForce 600

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