Radeon RX 455 OEM vs RX Vega 6 (Ryzen 4000/5000)

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Primary details

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

Place in the ranking586not rated
Place by popularitynot in top-100not in top-100
Power efficiency27.63no data
ArchitectureVega (2017−2020)GCN 2.0 (2013−2017)
GPU code nameVega RenoirTobago
Market segmentLaptopDesktop
Release date7 January 2020 (4 years ago)30 June 2016 (8 years ago)

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 cores384768
Core clock speed400 MHz1050 MHz
Boost clock speed1500 MHzno data
Number of transistorsno data2,080 million
Manufacturing process technology7 nm28 nm
Power consumption (TDP)15 Watt100 Watt
Texture fill rateno data50.40
Floating-point processing powerno data1.613 TFLOPS
ROPsno data16
TMUsno data48

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).

Interfaceno dataPCIe 3.0 x16
Lengthno data165 mm
Widthno data1-slot
Supplementary power connectorsno data1x 6-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 typeno dataGDDR5
Maximum RAM amountno data2 GB
Memory bus widthno data128 Bit
Memory clock speedno data1625 MHz
Memory bandwidthno data104.0 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 data1x DVI, 1x HDMI, 1x DisplayPort
HDMI-+

API compatibility

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

DirectX12_112 (12_0)
Shader Modelno data6.3
OpenGLno data4.6
OpenCLno data2.0
Vulkan-1.2.131

Pros & cons summary


Recency 7 January 2020 30 June 2016
Chip lithography 7 nm 28 nm
Power consumption (TDP) 15 Watt 100 Watt

RX Vega 6 (Ryzen 4000/5000) has an age advantage of 3 years, a 300% more advanced lithography process, and 566.7% lower power consumption.

We couldn't decide between Radeon RX Vega 6 (Ryzen 4000/5000) and Radeon RX 455 OEM. We've got no test results to judge.

Be aware that Radeon RX Vega 6 (Ryzen 4000/5000) is a notebook card while Radeon RX 455 OEM 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 Vega 6 (Ryzen 4000/5000)
Radeon RX Vega 6 (Ryzen 4000/5000)
AMD Radeon RX 455 OEM
Radeon RX 455 OEM

Comparisons with similar GPUs

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Community ratings

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4 695 votes

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Questions & comments

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