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NVIDIA GeForce 820M

GF117
Graphics Processor
96
Cores
16
TMUs
8
ROPs
1024 MB
Memory Size
DDR3
Memory Type
64 bit
Bus Width
NVIDIA GeForce 820M Image NVIDIA GF117 Image
The GeForce 820M is a graphics card by NVIDIA, launched in November 2013. Built on the 28 nm process, and based on the GF117 graphics processor, in its N15V-GM variant, the card supports DirectX 12.0. The GF117 graphics processor is an average sized chip with a die area of 116 mm² and 585 million transistors. It features 96 shading units, 16 texture mapping units and 8 ROPs. NVIDIA has placed 1,024 MB DDR3 memory on the card, which are connected using a 64-bit memory interface. The GPU is operating at a frequency of 625 MHz, memory is running at 900 MHz.
Its power draw is rated at 15 W maximum. GeForce 820M is connected to the rest of the system using a PCIe 2.0 x16 interface.

Graphics Processor

GPU Name: GF117
GPU Variant: N15V-GM
Architecture: Fermi 2.0
Process Size: 28 nm
Transistors: 585 million
Die Size: 116 mm²

Graphics Card

Released: Nov 27th, 2013
Production Status: Active
Bus Interface: PCIe 2.0 x16

Relative Performance

26%
33%
41%
52%
61%
65%
80%
100%
GeForce 820M
105%
106%
115%
122%
124%
142%
151%
162%
168%
175%
180%
192%
203%
207%
214%
221%
252%
254%
259%
262%
265%
268%
283%
298%
303%
314%
323%
324%
324%
331%
346%
353%
379%
386%
386%
403%
418%
446%
460%
462%
470%
473%
489%
495%
499%
507%
531%
541%
550%
552%
554%
598%
603%
618%
625%
628%
634%
646%
647%
665%
716%
734%
753%
758%
765%
773%
812%
831%
851%
863%
863%
956%
1067%
1138%
1144%
1160%
1175%
1191%
1196%
1208%
1213%
1229%
1322%
1339%
1339%
1388%
1515%
1582%
1638%
1793%
1853%
2001%
2116%
2476%
2550%
Based on TPU review data: "Performance Summary" at 1920x1080
GeForce 820M performance estimated based on architecture, shader count and clocks.

Clock Speeds

GPU Clock: 625 MHz
Shader Clock: 1250 MHz
Memory Clock: 900 MHz
1800 MHz effective

Memory

Memory Size: 1024 MB
Memory Type: DDR3
Memory Bus: 64 bit
Bandwidth: 14.40 GB/s

Render Config

Shading Units: 96
TMUs: 16
ROPs: 8
SM Count: 2
Pixel Rate: 2.500 GPixel/s
Texture Rate: 10.00 GTexel/s
Floating-point performance: 240.0 GFLOPS

Board Design

TDP: 15 W

Graphics Features

DirectX: 12.0
OpenGL: 4.6
OpenCL: 1.1
CUDA: 2.1
Shader Model: 5.0

Retail boards based on this design (2)

Name GPU Clock Memory Clock Other Changes
Acer GeForce 820M 775 MHz 900 MHz
Acer GeForce 820M 2 GB 775 MHz 900 MHz 2048 MB