NVIDIA GeForce 940M vs NVIDIA GeForce GT 545

Graphics Processor

GPU model GM107 GF116
GPU variant N16S-GT1-KB-B
Architecture Maxwell Fermi 2.0
Foundry TSMC TSMC
Manufacturing process 28 nm 40 nm
Number of transistors 1,870 million 1,170 million
Die size 148 mm² 238 mm²

Mobile graphics

Release date Mar 13th, 2015
Generation GeForce 900M
Production End-of-life
Interface MXM-B (3.0)
Predecessor GeForce 800M
Successor GeForce 10 Mobile

Clocks

Base clock 1020 MHz
Boost clock 1098 MHz
Memory clock 900 MHz 1800 Mbps 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 14.40 GB/s 38.40 GB/s

Render Configuration

Shading units 512 144
TMUs 32 24
ROPs 16 16
SMM count 4
Cache L1 64 KB (per SMM) 64 KB (per SM)
Cache L2 2 MB 384 KB
SM count 3

Performance

Pixel rate 17.57 GPixel/s 4.320 GPixel/s
Texture rate 35.14 GTexel/s 17.28 GTexel/s
FP32 (float) performance 1,124 GFLOPS 414.7 GFLOPS
FP64 (double) performance 35.14 GFLOPS (1:32) 34.56 GFLOPS (1:12)

Dimensions & Outputs

Slot width MXM Module Single-slot
TDP 75 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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