Radeon RX 6900 vs RX Vega 11 Efficient

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Primary details

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

Place in the rankingnot rated23
Place by popularitynot in top-100not in top-100
Power efficiencyno data18.99
ArchitectureGCN 5.0 (2017−2020)RDNA 2.0 (2020−2024)
GPU code nameRavenNavi 21
Market segmentDesktopDesktop
Release date23 April 2018 (6 years ago)28 October 2020 (4 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 cores7044608
Core clock speed300 MHzno data
Boost clock speed1250 MHz2105 MHz
Number of transistors4,940 million23,000 million
Manufacturing process technology14 nm7 nm
Power consumption (TDP)35 Watt255 Watt
Texture fill rate55.00606.2
Floating-point processing power1.76 TFLOPS19.4 TFLOPS
ROPs864
TMUs44288

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).

InterfaceIGPPCIe 4.0 x16
WidthIGP2-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 typeSystem SharedGDDR6
Maximum RAM amountSystem Shared16 GB
Memory bus widthSystem Shared256 Bit
Memory clock speedSystem Shared16 GB/s
Memory bandwidthno data512.0 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 ConnectorsNo outputs1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI-+

API compatibility

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

DirectX12 (12_1)12 Ultimate (12_2)
Shader Model6.46.5
OpenGL4.64.6
OpenCL2.02.0
Vulkan1.2.1311.2

Pros & cons summary


Recency 23 April 2018 28 October 2020
Chip lithography 14 nm 7 nm
Power consumption (TDP) 35 Watt 255 Watt

RX Vega 11 Efficient has 628.6% lower power consumption.

RX 6900, on the other hand, has an age advantage of 2 years, and a 100% more advanced lithography process.

We couldn't decide between Radeon RX Vega 11 Efficient and Radeon RX 6900. 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 Vega 11 Efficient
Radeon RX Vega 11 Efficient
AMD Radeon RX 6900
Radeon RX 6900

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Community ratings

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3.6 16 votes

Rate Radeon RX Vega 11 Efficient on a scale of 1 to 5:

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3.9 66 votes

Rate Radeon RX 6900 on a scale of 1 to 5:

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Questions & comments

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