NVIDIA GeForce RTX 3080 Ti Mobile vs NVIDIA GeForce 8400M GT

VS

NVIDIA GeForce RTX 3080 Ti Mobile

NVIDIA GeForce 8400M GT

We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 3080 Ti Mobile and 512MB VRAM GeForce 8400M GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti Mobile 's Advantages

Released 14 years and 8 months late

Boost Clock1260MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 19.20GB/s)

7408 additional rendering cores

NVIDIA GeForce 8400M GT 's Advantages

Lower TDP (14W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti Mobile +64417%

18.71 TFLOPS

GeForce 8400M GT

0.029 TFLOPS

GeForce RTX 3080 Ti Mobile

VS

GeForce 8400M GT

Graphics Card

Jan 2022

Release Date

May 2007

GeForce 30 Mobile

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

810 MHz

Base Clock

-

1260 MHz

Boost Clock

-

2000 MHz

Memory Clock

600 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

19.20GB/s

Render Config

-

58

SM Count

2

7424

Shading Units

16

232

TMUs

8

96

ROPs

4

232

Tensor Cores

-

58

RT Cores

-

128 KB (per SM)

L1 Cache

-

4 MB

L2 Cache

32 KB

-

Theoretical Performance

121.0 GPixel/s

Pixel Rate

1.800 GPixel/s

292.3 GTexel/s

Texture Rate

3.600 GTexel/s

18.71 TFLOPS

FP16 (half)

-

18.71 TFLOPS

FP32 (float)

28.80 GFLOPS

292.3 GFLOPS

FP64 (double)

-

Board Design

115W

TDP

14W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GA103S

GPU Name

G86

GN20-E8-A1

GPU Variant

G86-603-A2

Ampere

Architecture

Tesla

Samsung

Foundry

TSMC

8 nm

Process Size

80 nm

Unknown

Transistors

0.21 billion

496 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

6.5

Shader Model

4.0

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