NVIDIA GeForce 820M vs NVIDIA GeForce GTX 980MX

VS

NVIDIA GeForce 820M

NVIDIA GeForce GTX 980MX

We compared two Mobile platform GPUs: 2GB VRAM GeForce 820M and 8GB VRAM GeForce GTX 980MX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 820M 's Advantages

Lower TDP (45W vs 148W)

NVIDIA GeForce GTX 980MX 's Advantages

Released 1 years and 3 months late

Boost Clock1178MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (192.0GB/s vs 28.83GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 820M

0.622 TFLOPS

GeForce GTX 980MX +530%

3.92 TFLOPS

GeForce 820M

VS

GeForce GTX 980MX

Graphics Card

Mar 2015

Release Date

Jun 2016

GeForce 800M

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1050 MHz

-

Boost Clock

1178 MHz

901 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

8GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.83GB/s

Bandwidth

192.0GB/s

Render Config

-

384

Shading Units

1664

32

TMUs

104

16

ROPs

64

-

16 KB (per SMX)

L1 Cache

48 KB (per SMM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

6.480 GPixel/s

Pixel Rate

75.39 GPixel/s

25.92 GTexel/s

Texture Rate

122.5 GTexel/s

-

622.1 GFLOPS

FP32 (float)

3.920 TFLOPS

25.92 GFLOPS

FP64 (double)

122.5 GFLOPS

Board Design

45W

TDP

148W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

GM204

-

GPU Variant

N16E-GXX-A1

Kepler

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

5.2 billion

118 mm²

Die Size

398 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

5.2

5.1

Shader Model

6.4

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