Radeon Pro V340 8 GB vs RX 6400

Primary details

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

Place in the ranking276not rated
Place by popularity100not in top-100
Cost-effectiveness evaluation53.42no data
Power efficiency25.92no data
ArchitectureRDNA 2.0 (2020−2024)GCN 5.0 (2017−2020)
GPU code nameNavi 24Vega 10
Market segmentDesktopWorkstation
Release date19 January 2022 (2 years ago)26 August 2018 (6 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 cores7683584
Core clock speed1923 MHz852 MHz
Boost clock speed2321 MHz1500 MHz
Number of transistors5,400 million12,500 million
Manufacturing process technology6 nm14 nm
Power consumption (TDP)53 Watt230 Watt
Texture fill rate111.4336.0
Floating-point processing power3.565 TFLOPS10.75 TFLOPS
ROPs3264
TMUs48224
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 x4PCIe 3.0 x16
Lengthno data267 mm
Width1-slot2-slot
Supplementary power connectorsNone2x 8-pin

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 typeGDDR6HBM2
Maximum RAM amount4 GB8 GB
Memory bus width64 Bit2048 Bit
Memory clock speed2000 MHz945 MHz
Memory bandwidth128.0 GB/s483.8 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 HDMI 2.1, 1x DisplayPort 1.4a1x mini-DisplayPort 1.4a
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
OpenGL4.64.6
OpenCL2.22.1
Vulkan1.31.3

Pros & cons summary


Recency 19 January 2022 26 August 2018
Maximum RAM amount 4 GB 8 GB
Chip lithography 6 nm 14 nm
Power consumption (TDP) 53 Watt 230 Watt

RX 6400 has an age advantage of 3 years, a 133.3% more advanced lithography process, and 334% lower power consumption.

Pro V340 8 GB, on the other hand, has a 100% higher maximum VRAM amount.

We couldn't decide between Radeon RX 6400 and Radeon Pro V340 8 GB. We've got no test results to judge.

Be aware that Radeon RX 6400 is a desktop card while Radeon Pro V340 8 GB is a workstation 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 Pro V340 8 GB
Radeon Pro V340 8 GB

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Community ratings

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Questions & comments

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