NVIDIA GeForce RTX 2080 Mobile vs NVIDIA GeForce 8400M G

VS

NVIDIA GeForce RTX 2080 Mobile

NVIDIA GeForce 8400M G

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 2080 Mobile and 256MB VRAM GeForce 8400M G to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 2080 Mobile 's Advantages

Released 11 years and 8 months late

Boost Clock1590MHz

More VRAM (8GB vs 256GB)

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

2936 additional rendering cores

NVIDIA GeForce 8400M G 's Advantages

Lower TDP (10W vs 150W)

Score

Benchmark

FP32 (float)

GeForce RTX 2080 Mobile +71915%

9.362 TFLOPS

GeForce 8400M G

0.013 TFLOPS

GeForce RTX 2080 Mobile

VS

GeForce 8400M G

Graphics Card

Jan 2019

Release Date

May 2007

GeForce 20 Mobile

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1380 MHz

Base Clock

-

1590 MHz

Boost Clock

-

1750 MHz

Memory Clock

400 MHz

Memory

8GB

Memory Size

256MB

GDDR6

Memory Type

GDDR3

256bit

Memory Bus

64bit

448.0GB/s

Bandwidth

6.400GB/s

Render Config

-

46

SM Count

1

2944

Shading Units

8

184

TMUs

8

64

ROPs

4

368

Tensor Cores

-

46

RT Cores

-

64 KB (per SM)

L1 Cache

-

4 MB

L2 Cache

16 KB

-

Theoretical Performance

101.8 GPixel/s

Pixel Rate

1.600 GPixel/s

292.6 GTexel/s

Texture Rate

3.200 GTexel/s

18.72 TFLOPS

FP16 (half)

-

9.362 TFLOPS

FP32 (float)

12.80 GFLOPS

292.6 GFLOPS

FP64 (double)

-

Board Design

150W

TDP

10W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

TU104

GPU Name

G86

N18E-G3-A1

GPU Variant

NB8M-SE

Turing

Architecture

Tesla

TSMC

Foundry

TSMC

12 nm

Process Size

80 nm

13.6 billion

Transistors

0.21 billion

545 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

7.5

CUDA

1.1

6.6

Shader Model

4.0

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