NVIDIA GeForce 820M: GPU Specs & Benchmarks

The GeForce 820M is a graphics card by NVIDIA, built on the 28 nm process and based on the GF117 graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Benchmarks

3DMark Time Spy

220

3DMark Fire Strike

817

3DMark Fire Strike Extreme

396

3DMark Fire Strike Ultra

128

3DMark Night Raid

2783

Graphics Processor (GPU)

GPU Name

GF117

Model number

N15V-GM-B-A2

Architecture

Fermi 2.0

Foundry

TSMC

Process Size

28 nm

Transistors

585 million

Die Size

116 mm²

Graphics Card

Release Date

Nov 27th, 2013

Family

GeForce 800M

Production

End-of-life

Predecessor

GeForce 700M

Bus Interface

PCIe 2.0 x16

Memory

Memory Size

1024 MB

Memory Type

DDR3

Memory Bus

64 bit

Bandwidth

14.40 GB/s

Performance

Pixel fillrate

2.500 GPixel/s

Texture fillrate

10.00 GTexel/s

FP32 (float) performance

240.0 GFLOPS

FP64 (double) performance

20.00 GFLOPS (1:12)

Clock Speeds

Memory Clock

900 MHz
1800 Mbps effective

GPU Clock

625 MHz

Render Config

Shading Units

96

TMUs

16

ROPs

8

L1 Cache

64 KB (per SM)

L2 Cache

128 KB

SM Count

2

Board Design

Thermal design power (TDP)

15 W

Display Connectors

No outputs

API support

DirectX

12 (11_0)

OpenGL

4.6

OpenCL

1.1

Vulkan

N/A

Shader Model

5.1

CUDA

2.1