NVIDIA GeForce RTX 4080 Mobile vs NVIDIA GeForce 8400M G

VS

NVIDIA GeForce RTX 4080 Mobile

NVIDIA GeForce 8400M G

We compared two Mobile platform GPUs: 12GB VRAM GeForce RTX 4080 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 4080 Mobile 's Advantages

Released 15 years and 8 months late

Boost Clock1665MHz

More VRAM (12GB vs 256GB)

Larger VRAM bandwidth (432.0GB/s vs 6.400GB/s)

7416 additional rendering cores

NVIDIA GeForce 8400M G 's Advantages

Lower TDP (10W vs 110W)

Score

Benchmark

FP32 (float)

GeForce RTX 4080 Mobile +190053%

24.72 TFLOPS

GeForce 8400M G

0.013 TFLOPS

GeForce RTX 4080 Mobile

VS

GeForce 8400M G

Graphics Card

Jan 2023

Release Date

May 2007

GeForce 40 Mobile

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1290 MHz

Base Clock

-

1665 MHz

Boost Clock

-

2250 MHz

Memory Clock

400 MHz

Memory

12GB

Memory Size

256MB

GDDR6

Memory Type

GDDR3

192bit

Memory Bus

64bit

432.0GB/s

Bandwidth

6.400GB/s

Render Config

-

58

SM Count

1

7424

Shading Units

8

232

TMUs

8

80

ROPs

4

232

Tensor Cores

-

58

RT Cores

-

128 KB (per SM)

L1 Cache

-

48 MB

L2 Cache

16 KB

-

Theoretical Performance

133.2 GPixel/s

Pixel Rate

1.600 GPixel/s

386.3 GTexel/s

Texture Rate

3.200 GTexel/s

24.72 TFLOPS

FP16 (half)

-

24.72 TFLOPS

FP32 (float)

12.80 GFLOPS

386.3 GFLOPS

FP64 (double)

-

Board Design

110W

TDP

10W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

AD104

GPU Name

G86

GN21-X9

GPU Variant

NB8M-SE

Ada Lovelace

Architecture

Tesla

TSMC

Foundry

TSMC

4 nm

Process Size

80 nm

35.8 billion

Transistors

0.21 billion

295 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

8.9

CUDA

1.1

6.7

Shader Model

4.0

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