NVIDIA GeForce 8400M GS vs AMD Radeon RX 6600M

VS

NVIDIA GeForce 8400M GS

AMD Radeon RX 6600M

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M GS and 8GB VRAM Radeon RX 6600M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400M GS 's Advantages

Lower TDP (11W vs 100W)

AMD Radeon RX 6600M 's Advantages

Released 14 years late

Boost Clock2416MHz

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (224.0GB/s vs 6.400GB/s)

1776 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M GS

0.026 TFLOPS

Radeon RX 6600M +33203%

8.659 TFLOPS

GeForce 8400M GS

VS

Radeon RX 6600M

Graphics Card

May 2007

Release Date

May 2021

GeForce 8M

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-I

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

2068 MHz

-

Boost Clock

2416 MHz

400 MHz

Memory Clock

1750 MHz

Memory

256MB

Memory Size

8GB

DDR2

Memory Type

GDDR6

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

224.0GB/s

Render Config

-

Compute Units

28

2

SM Count

-

16

Shading Units

1792

8

TMUs

112

4

ROPs

64

-

RT Cores

28

-

L1 Cache

128 KB per Array

16 KB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

1.600 GPixel/s

Pixel Rate

154.6 GPixel/s

3.200 GTexel/s

Texture Rate

270.6 GTexel/s

-

FP16 (half)

17.32 TFLOPS

25.60 GFLOPS

FP32 (float)

8.659 TFLOPS

-

FP64 (double)

541.2 GFLOPS

Board Design

11W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

G86

GPU Name

Navi 23

NB8M-GS

GPU Variant

-

Tesla

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

80 nm

Process Size

7 nm

0.21 billion

Transistors

11.06 billion

127 mm²

Die Size

237 mm²

Graphics Features

11.1 (10_0)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

1.1

CUDA

-

4.0

Shader Model

6.5

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