NVIDIA GeForce 8400M GS vs AMD Radeon RX 580X Mobile

VS

NVIDIA GeForce 8400M GS

AMD Radeon RX 580X Mobile

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M GS and 8GB VRAM Radeon RX 580X 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 100W)

AMD Radeon RX 580X Mobile 's Advantages

Released 10 years and 11 months late

Boost Clock1077MHz

More VRAM (8GB vs 256GB)

Larger VRAM bandwidth (256.0GB/s vs 6.400GB/s)

2288 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M GS

0.026 TFLOPS

Radeon RX 580X Mobile +18988%

4.963 TFLOPS

GeForce 8400M GS

VS

Radeon RX 580X Mobile

Graphics Card

May 2007

Release Date

Apr 2018

GeForce 8M

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-I

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1077 MHz

400 MHz

Memory Clock

2000 MHz

Memory

256MB

Memory Size

8GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

256bit

6.400GB/s

Bandwidth

256.0GB/s

Render Config

-

Compute Units

36

2

SM Count

-

16

Shading Units

2304

8

TMUs

144

4

ROPs

32

-

L1 Cache

16 KB (per CU)

16 KB

L2 Cache

2 MB

-

Theoretical Performance

1.600 GPixel/s

Pixel Rate

34.46 GPixel/s

3.200 GTexel/s

Texture Rate

155.1 GTexel/s

-

FP16 (half)

4.963 TFLOPS

25.60 GFLOPS

FP32 (float)

4.963 TFLOPS

-

FP64 (double)

310.2 GFLOPS

Board Design

11W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

G86

GPU Name

Polaris 20

NB8M-GS

GPU Variant

Polaris 20M XT

Tesla

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

80 nm

Process Size

14 nm

0.21 billion

Transistors

5.7 billion

127 mm²

Die Size

232 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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