NVIDIA GeForce 945M vs NVIDIA GeForce GTX 745 OEM

Table of Contents

Graphics Processor

GPU model GM107 GM107
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
GPU variant GM107-220-A2

Mobile graphics

Release date Oct 27th, 2015
Generation GeForce 900M
Production End-of-life
Interface MXM-B (3.0)
Predecessor GeForce 800M
Successor GeForce 10 Mobile

Clocks

Base clock 928 MHz
Boost clock 1020 MHz
Memory clock 900 MHz 1800 Mbps effective 900 MHz 1800 Mbps effective
GPU clock 1033 MHz

Memory Configuration

Memory size 2 GB 4 GB
Memory type DDR3 DDR3
Memory bus width 128 bit 128 bit
Bandwidth 28.80 GB/s 28.80 GB/s

Render Configuration

Shading units 640 384
TMUs 40 24
ROPs 16 16
SMM count 5 3
Cache L1 64 KB (per SMM) 64 KB (per SMM)
Cache L2 2 MB 2 MB

Performance

Pixel rate 16.32 GPixel/s 16.53 GPixel/s
Texture rate 40.80 GTexel/s 24.79 GTexel/s
FP32 (float) performance 1,306 GFLOPS 793.3 GFLOPS
FP64 (double) performance 40.80 GFLOPS (1:32) 24.79 GFLOPS (1:32)

Dimensions & Outputs

Slot width MXM Module Single-slot
TDP 75 W 55 W
Outputs No outputs 1x DVI1x HDMI1x VGA
Length 145 mm 5.7 inches
Suggested PSU 250 W
Power connectors None
Board number P2012 SKU 50

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

Graphics Card

Release date Feb 18th, 2014
Generation GeForce 700
Production End-of-life
Interface PCIe 3.0 x16
Predecessor GeForce 600
Successor GeForce 900

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