Radeon RX 550 640SP vs GeForce RTX 3080 Mobile

Primary details

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

Place in the ranking92not rated
Place by popularitynot in top-100not in top-100
Power efficiency25.84no data
ArchitectureAmpere (2020−2024)GCN 4.0 (2016−2020)
GPU code nameGA104Baffin
Market segmentLaptopDesktop
Release date12 January 2021 (3 years ago)13 October 2017 (7 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 cores6144640
Core clock speed1110 MHz1019 MHz
Boost clock speed1545 MHz1071 MHz
Number of transistors17,400 million3,000 million
Manufacturing process technology8 nm14 nm
Power consumption (TDP)115 Watt60 Watt
Texture fill rate296.642.84
Floating-point processing power18.98 TFLOPS1.371 TFLOPS
ROPs9616
TMUs19240
Tensor Cores192no data
Ray Tracing Cores48no 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).

Laptop sizelargeno data
InterfacePCIe 4.0 x16PCIe 3.0 x8
Lengthno data145 mm
Widthno data2-slot
Supplementary power connectorsno dataNone

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 typeGDDR6GDDR5
Maximum RAM amount8 GB2 GB
Memory bus width256 Bit128 Bit
Memory clock speed1750 MHz1500 MHz
Memory bandwidth448.0 GB/s96 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 outputs1x DVI, 1x HDMI, 1x DisplayPort
HDMI-+

API compatibility

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

DirectX12 Ultimate (12_2)12 (12_0)
Shader Model6.56.4
OpenGL4.64.6
OpenCL2.02.0
Vulkan1.21.2.131
CUDA8.6-

Pros & cons summary


Recency 12 January 2021 13 October 2017
Maximum RAM amount 8 GB 2 GB
Chip lithography 8 nm 14 nm
Power consumption (TDP) 115 Watt 60 Watt

RTX 3080 Mobile has an age advantage of 3 years, a 300% higher maximum VRAM amount, and a 75% more advanced lithography process.

RX 550 640SP, on the other hand, has 91.7% lower power consumption.

We couldn't decide between GeForce RTX 3080 Mobile and Radeon RX 550 640SP. We've got no test results to judge.

Be aware that GeForce RTX 3080 Mobile is a notebook card while Radeon RX 550 640SP 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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NVIDIA GeForce RTX 3080 Mobile
GeForce RTX 3080 Mobile
AMD Radeon RX 550 640SP
Radeon RX 550 640SP

Comparisons with similar GPUs

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Community ratings

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4.1 790 votes

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Questions & comments

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