NVIDIA GeForce 820A vs NVIDIA GeForce 9800M GS

Table of Contents

Graphics Processor

GPU model GF117 G94
GPU variant N15V-GM NB9E-GS1
Architecture Fermi 2.0 Tesla
Foundry TSMC TSMC
Manufacturing process 28 nm 65 nm
Number of transistors 585 million 505 million
Die size 116 mm² 240 mm²

Mobile graphics

Release date Mar 17th, 2014 Nov 1st, 2008
Generation GeForce 800A GeForce 9M (9800M)
Production End-of-life End-of-life
Interface PCIe 2.0 x16 PCIe 2.0 x16
Predecessor GeForce 700A GeForce 8M
Successor GeForce 900A GeForce 100M

Clocks

GPU clock 775 MHz 530 MHz
Shader clock 1550 MHz 1325 MHz
Memory clock 900 MHz 1800 Mbps effective 800 MHz 1600 Mbps effective

Memory Configuration

Memory size 1024 MB 512 MB
Memory type DDR3 GDDR3
Memory bus width 64 bit 256 bit
Bandwidth 14.40 GB/s 51.20 GB/s

Render Configuration

Shading units 96 64
TMUs 16 32
ROPs 8 16
SM count 2 8
Cache L1 64 KB (per SM)
Cache L2 128 KB 64 KB

Performance

Pixel rate 3.100 GPixel/s 8.480 GPixel/s
Texture rate 12.40 GTexel/s 16.96 GTexel/s
FP32 (float) performance 297.6 GFLOPS 169.6 GFLOPS
FP64 (double) performance 24.80 GFLOPS (1:12)

Dimensions & Outputs

TDP 15 W 60 W
Outputs No outputs No outputs
Power connectors None
Board number P610

API Support & Features

DirectX 12 (11_0) 11.1 (10_0)
OpenGL 4.6 3.3
OpenCL 1.1 1.1
Vulkan
CUDA 2.1 1.1
Shader model 5.1 4.0

Other Features

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