NVIDIA GeForce 820A vs NVIDIA GeForce 9800M GTS

Table of Contents

Graphics Processor

GPU model GF117 G94
GPU variant N15V-GM NB9E-GT1
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 Aug 21st, 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 600 MHz
Shader clock 1550 MHz 1500 MHz
Memory clock 900 MHz 1800 Mbps effective 800 MHz 1600 Mbps effective

Memory Configuration

Memory size 1024 MB 1024 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 9.600 GPixel/s
Texture rate 12.40 GTexel/s 19.20 GTexel/s
FP32 (float) performance 297.6 GFLOPS 192.0 GFLOPS
FP64 (double) performance 24.80 GFLOPS (1:12)

Dimensions & Outputs

TDP 15 W 75 W
Outputs No outputs No outputs
Board number E569

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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