Radeon Graphics 448SP Mobile vs RX 6400

Primary details

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

Place in the ranking279not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation54.13no data
Power efficiency25.67no data
ArchitectureRDNA 2.0 (2020−2024)GCN 5.1 (2018−2022)
GPU code nameNavi 24Barcelo
Market segmentDesktopLaptop
Release date19 January 2022 (2 years ago)6 January 2022 (2 years ago)
Launch price (MSRP)$159 no data

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 cores768448
Core clock speed1923 MHz300 MHz
Boost clock speed2321 MHz1800 MHz
Number of transistors5,400 million10,700 million
Manufacturing process technology6 nm7 nm
Power consumption (TDP)53 Watt45 Watt
Texture fill rate111.450.40
Floating-point processing power3.565 TFLOPS1.613 TFLOPS
ROPs328
TMUs4828
Ray Tracing Cores12no data

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 4.0 x4IGP
Width1-slotno data
Supplementary power connectorsNoneno data

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 typeGDDR6System Shared
Maximum RAM amount4 GBSystem Shared
Memory bus width64 BitSystem Shared
Memory clock speed2000 MHzSystem Shared
Memory bandwidth128.0 GB/sno data
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 Connectors1x HDMI 2.1, 1x DisplayPort 1.4aPortable Device Dependent
HDMI+-

API compatibility

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

DirectX12 Ultimate (12_2)12 (12_1)
Shader Model6.76.7 (6.4)
OpenGL4.64.6
OpenCL2.22.1
Vulkan1.31.3

Pros & cons summary


Chip lithography 6 nm 7 nm
Power consumption (TDP) 53 Watt 45 Watt

RX 6400 has a 16.7% more advanced lithography process.

Graphics 448SP Mobile, on the other hand, has 17.8% lower power consumption.

We couldn't decide between Radeon RX 6400 and Radeon Graphics 448SP Mobile. We've got no test results to judge.

Be aware that Radeon RX 6400 is a desktop card while Radeon Graphics 448SP Mobile is a notebook 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 6400
Radeon RX 6400
AMD Radeon Graphics 448SP Mobile
Radeon Graphics 448SP Mobile

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Community ratings

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3.3 37 votes

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Questions & comments

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