AMD Radeon RX 540X Mobile vs NVIDIA GeForce 8400M GS

VS

AMD Radeon RX 540X Mobile

NVIDIA GeForce 8400M GS

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 540X Mobile and 256MB VRAM GeForce 8400M GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 540X Mobile 's Advantages

Released 10 years and 11 months late

Boost Clock1211MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (96.00GB/s vs 6.400GB/s)

496 additional rendering cores

NVIDIA GeForce 8400M GS 's Advantages

Lower TDP (11W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 540X Mobile +4669%

1.24 TFLOPS

GeForce 8400M GS

0.026 TFLOPS

Radeon RX 540X Mobile

VS

GeForce 8400M GS

Graphics Card

Apr 2018

Release Date

May 2007

Mobility Radeon

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-I

Clock Speeds

1124 MHz

Base Clock

-

1211 MHz

Boost Clock

-

1500 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

96.00GB/s

Bandwidth

6.400GB/s

Render Config

8

Compute Units

-

SM Count

2

512

Shading Units

16

32

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

16 KB

-

Theoretical Performance

19.38 GPixel/s

Pixel Rate

1.600 GPixel/s

38.75 GTexel/s

Texture Rate

3.200 GTexel/s

1240 GFLOPS

FP16 (half)

-

1240 GFLOPS

FP32 (float)

25.60 GFLOPS

77.50 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

11W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 23

GPU Name

G86

Polaris 23 MXL

GPU Variant

NB8M-GS

GCN 4.0

Architecture

Tesla

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

80 nm

2.2 billion

Transistors

0.21 billion

103 mm²

Die Size

127 mm²

Graphics Features

12 (12_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.1

6.4

Shader Model

4.0

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