NVIDIA GeForce 8400M GS vs AMD Radeon 540X Mobile

VS

NVIDIA GeForce 8400M GS

AMD Radeon 540X Mobile

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M GS and 2GB VRAM Radeon 540X Mobile 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 50W)

AMD Radeon 540X Mobile 's Advantages

Released 11 years and 9 months late

Boost Clock1095MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (32.00GB/s vs 6.400GB/s)

496 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M GS

0.026 TFLOPS

Radeon 540X Mobile +4211%

1.121 TFLOPS

GeForce 8400M GS

VS

Radeon 540X Mobile

Graphics Card

May 2007

Release Date

Feb 2019

GeForce 8M

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-I

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

980 MHz

-

Boost Clock

1095 MHz

400 MHz

Memory Clock

1000 MHz

Memory

256MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

64bit

6.400GB/s

Bandwidth

32.00GB/s

Render Config

-

Compute Units

8

2

SM Count

-

16

Shading Units

512

8

TMUs

32

4

ROPs

16

-

L1 Cache

16 KB (per CU)

16 KB

L2 Cache

512 KB

-

Theoretical Performance

1.600 GPixel/s

Pixel Rate

17.52 GPixel/s

3.200 GTexel/s

Texture Rate

35.04 GTexel/s

-

FP16 (half)

1121 GFLOPS

25.60 GFLOPS

FP32 (float)

1121 GFLOPS

-

FP64 (double)

70.08 GFLOPS

Board Design

11W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

G86

GPU Name

Lexa

NB8M-GS

GPU Variant

Lexa PRO (215-0904018)

Tesla

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

80 nm

Process Size

14 nm

0.21 billion

Transistors

2.2 billion

127 mm²

Die Size

103 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (12_0)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.2

1.1

CUDA

-

4.0

Shader Model

6.4

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