NVIDIA GeForce RTX 4070 Mobile vs NVIDIA GeForce 8400M GT

VS

NVIDIA GeForce RTX 4070 Mobile

NVIDIA GeForce 8400M GT

We compared two Mobile platform GPUs: 8GB VRAM GeForce RTX 4070 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 4070 Mobile 's Advantages

Released 15 years and 8 months late

Boost Clock1695MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (256.0GB/s vs 19.20GB/s)

4592 additional rendering cores

NVIDIA GeForce 8400M GT 's Advantages

Lower TDP (14W vs 115W)

Score

Benchmark

FP32 (float)

GeForce RTX 4070 Mobile +53762%

15.62 TFLOPS

GeForce 8400M GT

0.029 TFLOPS

GeForce RTX 4070 Mobile

VS

GeForce 8400M GT

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

1395 MHz

Base Clock

-

1695 MHz

Boost Clock

-

2000 MHz

Memory Clock

600 MHz

Memory

8GB

Memory Size

512MB

GDDR6

Memory Type

GDDR3

128bit

Memory Bus

128bit

256.0GB/s

Bandwidth

19.20GB/s

Render Config

-

36

SM Count

2

4608

Shading Units

16

144

TMUs

8

48

ROPs

4

144

Tensor Cores

-

36

RT Cores

-

128 KB (per SM)

L1 Cache

-

32 MB

L2 Cache

32 KB

-

Theoretical Performance

81.36 GPixel/s

Pixel Rate

1.800 GPixel/s

244.1 GTexel/s

Texture Rate

3.600 GTexel/s

15.62 TFLOPS

FP16 (half)

-

15.62 TFLOPS

FP32 (float)

28.80 GFLOPS

244.1 GFLOPS

FP64 (double)

-

Board Design

115W

TDP

14W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

AD106

GPU Name

G86

GN21-X6

GPU Variant

G86-603-A2

Ada Lovelace

Architecture

Tesla

TSMC

Foundry

TSMC

4 nm

Process Size

80 nm

Unknown

Transistors

0.21 billion

190 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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