Radeon RX 6400 vs R4 Mobile Graphics

Primary details

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

Place in the rankingnot rated276
Place by popularitynot in top-100100
Cost-effectiveness evaluationno data53.42
Power efficiencyno data25.92
ArchitectureGCN 2.0 (2013−2017)RDNA 2.0 (2020−2024)
GPU code nameSpectre SLNavi 24
Market segmentLaptopDesktop
Release date17 September 2014 (10 years ago)19 January 2022 (2 years ago)
Launch price (MSRP)no data$159

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 cores192768
Core clock speed533 MHz1923 MHz
Boost clock speed655 MHz2321 MHz
Number of transistors2,410 million5,400 million
Manufacturing process technology28 nm6 nm
Power consumption (TDP)17 Watt53 Watt
Texture fill rate6.396111.4
Floating-point processing power0.2047 TFLOPS3.565 TFLOPS
ROPs832
TMUs1248
Ray Tracing Coresno data12

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).

InterfaceIGPPCIe 4.0 x4
Widthno data1-slot
Supplementary power connectorsno dataNone

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 typeSystem SharedGDDR6
Maximum RAM amountSystem Shared4 GB
Memory bus widthSystem Shared64 Bit
Memory clock speedSystem Shared2000 MHz
Memory bandwidthno data128.0 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 outputs1x HDMI 2.1, 1x DisplayPort 1.4a
HDMI-+

API compatibility

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

DirectX12 (12_0)12 Ultimate (12_2)
Shader Model6.06.7
OpenGL4.64.6
OpenCL2.02.2
Vulkan1.2.1311.3

Pros & cons summary


Recency 17 September 2014 19 January 2022
Chip lithography 28 nm 6 nm
Power consumption (TDP) 17 Watt 53 Watt

R4 Mobile Graphics has 211.8% lower power consumption.

RX 6400, on the other hand, has an age advantage of 7 years, and a 366.7% more advanced lithography process.

We couldn't decide between Radeon R4 Mobile Graphics and Radeon RX 6400. We've got no test results to judge.

Be aware that Radeon R4 Mobile Graphics is a notebook card while Radeon RX 6400 is a desktop one.


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.


AMD Radeon R4 Mobile Graphics
Radeon R4 Mobile Graphics
AMD Radeon RX 6400
Radeon RX 6400

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.


2.1 53 votes

Rate Radeon R4 Mobile Graphics on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 1906 votes

Rate Radeon RX 6400 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.