AMD Radeon RX 7800M vs NVIDIA GeForce 8400M G

VS

AMD Radeon RX 7800M

NVIDIA GeForce 8400M G

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 7800M and 256MB VRAM GeForce 8400M G to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 7800M 's Advantages

Released 17 years and 4 months late

Boost Clock2145MHz

More VRAM (12GB vs 256GB)

Larger VRAM bandwidth (432GB/s vs 6.400GB/s)

3832 additional rendering cores

NVIDIA GeForce 8400M G 's Advantages

Lower TDP (10W vs 180W)

Score

Benchmark

FP32 (float)

Radeon RX 7800M +275823%

35.87 TFLOPS

GeForce 8400M G

0.013 TFLOPS

Radeon RX 7800M

VS

GeForce 8400M G

Graphics Card

Sep 2024

Release Date

May 2007

Navi Mobile

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2145 MHz

Boost Clock

-

2250 MHz

Memory Clock

400 MHz

Memory

12GB

Memory Size

256MB

GDDR6

Memory Type

GDDR3

192bit

Memory Bus

64bit

432GB/s

Bandwidth

6.400GB/s

Render Config

60

Compute Units

-

SM Count

1

3840

Shading Units

8

240

TMUs

8

96

ROPs

4

-

60

RT Cores

-

256 KB per Array

L1 Cache

-

6 MB

L2 Cache

16 KB

48 MB

L3 Cache

-

Theoretical Performance

401.3 GPixel/s

Pixel Rate

1.600 GPixel/s

560.4 GTexel/s

Texture Rate

3.200 GTexel/s

71.73 TFLOPS

FP16 (half)

-

35.87 TFLOPS

FP32 (float)

12.80 GFLOPS

1121 GFLOPS

FP64 (double)

-

Board Design

180W

TDP

10W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Navi 32

GPU Name

G86

Navi 32

GPU Variant

NB8M-SE

RDNA 3.0

Architecture

Tesla

TSMC

Foundry

TSMC

5 nm

Process Size

80 nm

28.1 billion

Transistors

0.21 billion

529 mm²

Die Size

127 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.2

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

1.1

6.7

Shader Model

4.0

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