NVIDIA GeForce 8400M GT vs NVIDIA GeForce Go 7400

Table of Contents

Graphics Processor

GPU model G86 G72
GPU variant G86-603-A2 GF-GO7400-N-A3
Architecture Tesla Curie
Foundry TSMC TSMC
Manufacturing process 80 nm 90 nm
Number of transistors 210 million 112 million
Die size 127 mm² 81 mm²

Mobile graphics

Release date May 9th, 2007 Feb 1st, 2006
Generation GeForce 8M (8000M) GeForce Go 7 (Go 7000)
Production End-of-life End-of-life
Interface PCIe 1.0 x16 PCIe 1.0 x16
Predecessor GeForce Go 7 GeForce Go 6
Successor GeForce 9M GeForce 8M

Clocks

GPU clock 450 MHz 450 MHz
Shader clock 900 MHz
Memory clock 600 MHz 1200 Mbps effective 450 MHz 900 Mbps effective

Memory Configuration

Memory size 512 MB 128 MB
Memory type GDDR3 GDDR3
Memory bus width 128 bit 64 bit
Bandwidth 19.20 GB/s 7.200 GB/s

Render Configuration

Shading units 16
TMUs 8 4
ROPs 4 2
SM count 2
Cache L2 32 KB
Pixel shaders 4
Vertex shaders 3

Performance

Pixel rate 1.800 GPixel/s 900.0 MPixel/s
Texture rate 3.600 GTexel/s 1.800 GTexel/s
FP32 (float) performance 28.80 GFLOPS
Vertex rate 337.5 MVertices/s

Dimensions & Outputs

TDP 14 W unknown
Outputs No outputs No outputs

API Support & Features

DirectX 11.1 (10_0) 9.0c (9_3)
OpenGL 3.3 2.1
OpenCL 1.1
Vulkan
CUDA 1.1
Shader model 4.0 3.0

Other Features

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