Radeon RX 580X Mobile vs GeForce 8400M GS

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureTesla (2006−2010)GCN 4.0 (2016−2020)
GPU code nameG86Polaris 20
Market segmentLaptopLaptop
Release date9 May 2007 (17 years ago)11 April 2018 (6 years ago)
Launch price (MSRP)$14.99 no data

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores162304
Core clock speed400 MHz1000 MHz
Boost clock speedno data1077 MHz
Number of transistors210 million5,700 million
Manufacturing process technology80 nm14 nm
Power consumption (TDP)11 Watt100 Watt
Texture fill rate3.200155.1
Floating-point processing power0.0256 TFLOPS4.963 TFLOPS
ROPs432
TMUs8144

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop sizeno datalarge
InterfaceMXM-IMXM-B (3.0)

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeDDR2GDDR5
Maximum RAM amount256 MB8 GB
Memory bus width64 Bit256 Bit
Memory clock speed400 MHz2000 MHz
Memory bandwidth6.4 GB/s256.0 GB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputsNo outputs

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX11.1 (10_0)12 (12_0)
Shader Model4.06.4
OpenGL3.34.6
OpenCL1.12.0
VulkanN/A1.2.131
CUDA1.1-

Pros & cons summary


Recency 9 May 2007 11 April 2018
Maximum RAM amount 256 MB 8 GB
Chip lithography 80 nm 14 nm
Power consumption (TDP) 11 Watt 100 Watt

8400M GS has 809.1% lower power consumption.

RX 580X Mobile, on the other hand, has an age advantage of 10 years, a 3100% higher maximum VRAM amount, and a 471.4% more advanced lithography process.

We couldn't decide between GeForce 8400M GS and Radeon RX 580X Mobile. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


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

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3 38 votes

Rate GeForce 8400M GS on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.7 10 votes

Rate Radeon RX 580X Mobile on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.