NVIDIA GeForce RTX 3080 Mobile 16 GB vs NVIDIA GeForce 8400M GS

VS

NVIDIA GeForce RTX 3080 Mobile 16 GB

NVIDIA GeForce 8400M GS

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Mobile 16 GB and 256MB VRAM GeForce 8400M GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Mobile 16 GB 's Advantages

Released 13 years and 8 months late

Boost Clock1545MHz

More VRAM (16GB vs 256GB)

Larger VRAM bandwidth (448.0GB/s vs 6.400GB/s)

6128 additional rendering cores

NVIDIA GeForce 8400M GS 's Advantages

Lower TDP (11W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Mobile 16 GB +72900%

18.98 TFLOPS

GeForce 8400M GS

0.026 TFLOPS

GeForce RTX 3080 Mobile 16 GB

VS

GeForce 8400M GS

Graphics Card

Jan 2021

Release Date

May 2007

GeForce 30 Mobile

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

MXM-I

Clock Speeds

1110 MHz

Base Clock

-

1545 MHz

Boost Clock

-

1750 MHz

Memory Clock

400 MHz

Memory

16GB

Memory Size

256MB

GDDR6

Memory Type

DDR2

256bit

Memory Bus

64bit

448.0GB/s

Bandwidth

6.400GB/s

Render Config

-

48

SM Count

2

6144

Shading Units

16

192

TMUs

8

96

ROPs

4

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

-

4 MB

L2 Cache

16 KB

-

Theoretical Performance

148.3 GPixel/s

Pixel Rate

1.600 GPixel/s

296.6 GTexel/s

Texture Rate

3.200 GTexel/s

18.98 TFLOPS

FP16 (half)

-

18.98 TFLOPS

FP32 (float)

25.60 GFLOPS

296.6 GFLOPS

FP64 (double)

-

Board Design

115W

TDP

11W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GA104

GPU Name

G86

GA104-775-A1

GPU Variant

NB8M-GS

Ampere

Architecture

Tesla

Samsung

Foundry

TSMC

8 nm

Process Size

80 nm

17.4 billion

Transistors

0.21 billion

392 mm²

Die Size

127 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.6

CUDA

1.1

6.8

Shader Model

4.0

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