Radeon RX 6900 XT vs RX Vega 11 Mobile

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Primary details

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

Place in performance rankingnot rated18
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data21.65
ArchitectureGCN 5.0 (2017−2020)Navi / RDNA2 (2020−2022)
GPU code namePicassoNavi 21
Market segmentLaptopDesktop
Release date22 October 2019 (4 years ago)8 December 2020 (3 years ago)
Launch price (MSRP)no data$999
Current price$592 $957 (1x MSRP)

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores7045120
Core clock speed300 MHz1825 MHz
Boost clock speed1400 MHz2250 MHz
Number of transistors4,940 million26,800 million
Manufacturing process technology14 nm7 nm
Power consumption (TDP)15 Watt300 Watt
Texture fill rate61.60720.0
Floating-point performance1,830 gflopsno data

Form factor & compatibility

Information on Radeon RX Vega 11 Mobile and Radeon RX 6900 XT compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

InterfaceIGPPCIe 4.0 x16
Lengthno data267 mm
Widthno data3-slot
Supplementary power connectorsno data2x 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 typeSystem SharedGDDR6
Maximum RAM amountSystem Shared16 GB
Memory bus widthSystem Shared256 Bit
Memory clock speedSystem Shared16000 MHz
Memory bandwidthno data512.0 GB/s
Shared memoryno data-

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, 2x DisplayPort, 1x USB Type-C
HDMIno data+

API compatibility

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

DirectX12 (12_1)12 Ultimate (12_2)
Shader Model6.46.5
OpenGL4.64.6
OpenCL2.02.1
Vulkan1.2.1311.2

Pros & cons summary


Recency 22 October 2019 8 December 2020
Chip lithography 14 nm 7 nm
Power consumption (TDP) 15 Watt 300 Watt

We couldn't decide between Radeon RX Vega 11 Mobile and Radeon RX 6900 XT. We've got no test results to judge.

Be aware that Radeon RX Vega 11 Mobile is a notebook card while Radeon RX 6900 XT 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 11 Mobile
Radeon RX Vega 11 Mobile
AMD Radeon RX 6900 XT
Radeon RX 6900 XT

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Community ratings

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3.8 27 votes

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Questions & comments

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