Radeon RX 6400 vs RX 540X

Primary details

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

Place in the rankingnot rated279
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data53.99
Power efficiencyno data25.60
ArchitectureGCN 4.0 (2016−2020)RDNA 2.0 (2020−2024)
GPU code namePolaris 23Navi 24
Market segmentLaptopDesktop
Release date11 April 2018 (6 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 cores512768
Core clock speed1124 MHz1923 MHz
Boost clock speed1219 MHz2321 MHz
Number of transistors2,200 million5,400 million
Manufacturing process technology14 nm6 nm
Power consumption (TDP)50 Watt53 Watt
Texture fill rate39.01111.4
Floating-point processing power1.248 TFLOPS3.565 TFLOPS
ROPs1632
TMUs3248
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).

Laptop sizelargeno data
InterfacePCIe 3.0 x8PCIe 4.0 x4
Widthno data1-slot
Supplementary power connectorsNoneNone

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 typeGDDR5GDDR6
Maximum RAM amount2 GB4 GB
Memory bus width128 Bit64 Bit
Memory clock speed1500 MHz2000 MHz
Memory bandwidth96 GB/s128.0 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-+

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

FreeSync+-

API compatibility

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

DirectX12 (12_0)12 Ultimate (12_2)
Shader Model6.46.7
OpenGL4.64.6
OpenCL2.02.2
Vulkan1.2.1311.3

Pros & cons summary


Recency 11 April 2018 19 January 2022
Maximum RAM amount 2 GB 4 GB
Chip lithography 14 nm 6 nm
Power consumption (TDP) 50 Watt 53 Watt

RX 540X has 6% lower power consumption.

RX 6400, on the other hand, has an age advantage of 3 years, a 100% higher maximum VRAM amount, and a 133.3% more advanced lithography process.

We couldn't decide between Radeon RX 540X and Radeon RX 6400. We've got no test results to judge.

Be aware that Radeon RX 540X 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.

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AMD Radeon RX 540X
Radeon RX 540X
AMD Radeon RX 6400
Radeon RX 6400

Comparisons with similar GPUs

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Community ratings

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3.6 52 votes

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Questions & comments

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