Radeon RX 6400 vs RX 460 1024SP

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 data54.04
Power efficiencyno data25.61
ArchitectureGCN 4.0 (2016−2020)RDNA 2.0 (2020−2024)
GPU code nameBaffinNavi 24
Market segmentDesktopDesktop
Release date17 January 2017 (7 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 cores1024768
Core clock speed1090 MHz1923 MHz
Boost clock speed1200 MHz2321 MHz
Number of transistors3,000 million5,400 million
Manufacturing process technology14 nm6 nm
Power consumption (TDP)75 Watt53 Watt
Texture fill rate76.80111.4
Floating-point processing power2.458 TFLOPS3.565 TFLOPS
ROPs1632
TMUs6448
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).

InterfacePCIe 3.0 x8PCIe 4.0 x4
Length170 mmno data
Width2-slot1-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 speed1750 MHz2000 MHz
Memory bandwidth112.0 GB/s128.0 GB/s

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 Connectors1x DVI, 1x HDMI, 1x DisplayPort1x 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 Model6.46.7
OpenGL4.64.6
OpenCL2.02.2
Vulkan1.2.1311.3

Pros & cons summary


Recency 17 January 2017 19 January 2022
Maximum RAM amount 2 GB 4 GB
Chip lithography 14 nm 6 nm
Power consumption (TDP) 75 Watt 53 Watt

RX 6400 has an age advantage of 5 years, a 100% higher maximum VRAM amount, a 133.3% more advanced lithography process, and 41.5% lower power consumption.

We couldn't decide between Radeon RX 460 1024SP and Radeon RX 6400. 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.

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AMD Radeon RX 460 1024SP
Radeon RX 460 1024SP
AMD Radeon RX 6400
Radeon RX 6400

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Community ratings

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