NVIDIA GeForce 8800 GTS 512 vs NVIDIA GeForce GT 820M

Table of Contents

Graphics Processor

GPU model G92 GF117
GPU variant G92-400-A2 N15V-GM
Architecture Tesla Fermi 2.0
Foundry TSMC TSMC
Manufacturing process 65 nm 28 nm
Number of transistors 754 million 585 million
Die size 324 mm² 116 mm²

Graphics Card

Release date Dec 11th, 2007
Generation GeForce 8
Production End-of-life
Launch price 349 USD
Interface PCIe 2.0 x16
Reviews 403 in our database
Predecessor GeForce 7 PCIe
Successor GeForce 9

Clocks

GPU clock 650 MHz 775 MHz
Shader clock 1625 MHz 1550 MHz
Memory clock 820 MHz 1640 Mbps effective 900 MHz 1800 Mbps effective

Memory Configuration

Memory size 512 MB 1024 MB
Memory type GDDR3 DDR3
Memory bus width 256 bit 64 bit
Bandwidth 52.48 GB/s 14.40 GB/s

Render Configuration

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

Performance

Pixel rate 10.40 GPixel/s 3.100 GPixel/s
Texture rate 41.60 GTexel/s 12.40 GTexel/s
FP32 (float) performance 416.0 GFLOPS 297.6 GFLOPS
FP64 (double) performance 24.80 GFLOPS (1:12)

Dimensions & Outputs

Slot width Dual-slot
Length 254 mm 10 inches
TDP 135 W 15 W
Suggested PSU 300 W
Outputs 2x DVI1x S-Video No outputs
Power connectors 1x 6-pin
Board number P393

API Support & Features

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

Other Features

Mobile graphics

Release date Nov 27th, 2013
Generation GeForce 800M
Production End-of-life
Interface PCIe 2.0 x16
Predecessor GeForce 700M
Successor GeForce 900M

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