NVIDIA GeForce 845M vs NVIDIA GeForce 940MX

Table of Contents

Graphics Processor

GPU model GM107 GM107
GPU variant N15S-GT1R N16S-GT1R
Architecture Maxwell Maxwell
Foundry TSMC TSMC
Manufacturing process 28 nm 28 nm
Number of transistors 1,870 million 1,870 million
Die size 148 mm² 148 mm²

Mobile graphics

Release date Feb 7th, 2015 Jun 28th, 2016
Generation GeForce 800M GeForce 900M
Production End-of-life End-of-life
Interface PCIe 3.0 x16 PCIe 3.0 x8
Predecessor GeForce 700M GeForce 800M
Successor GeForce 900M GeForce 10 Mobile

Clocks

GPU clock 863 MHz
Memory clock 1001 MHz 2 Gbps effective 1253 MHz 5 Gbps effective
Base clock 795 MHz
Boost clock 861 MHz

Memory Configuration

Memory size 2 GB 2 GB
Memory type DDR3 GDDR5
Memory bus width 64 bit 64 bit
Bandwidth 16.02 GB/s 40.10 GB/s

Render Configuration

Shading units 512 512
TMUs 32 32
ROPs 16 8
SMM count 4 4
Cache L1 64 KB (per SMM) 64 KB (per SMM)
Cache L2 1024 KB 1024 KB

Performance

Pixel rate 13.81 GPixel/s 6.888 GPixel/s
Texture rate 27.62 GTexel/s 27.55 GTexel/s
FP32 (float) performance 883.7 GFLOPS 881.7 GFLOPS
FP64 (double) performance 27.62 GFLOPS (1:32) 27.55 GFLOPS (1:32)

Dimensions & Outputs

Slot width IGP MXM Module
TDP 45 W 23 W
Outputs No outputs No outputs
Power connectors None

API Support & Features

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

Other Features

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