RTX A3000 Mobile 12 GB vs Radeon 550X 640SP

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 4.0 (2016−2020)Ampere (2020−2024)
GPU code nameLexaGA104
Market segmentDesktopMobile workstation
Release date11 April 2018 (6 years ago)12 April 2021 (3 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 cores6404096
Core clock speed1019 MHz495 MHz
Boost clock speed1071 MHz1170 MHz
Number of transistors2,200 million17,400 million
Manufacturing process technology14 nm8 nm
Power consumption (TDP)50 Watt70 Watt
Texture fill rate42.84149.8
Floating-point processing power1.371 TFLOPS9.585 TFLOPS
ROPs1664
TMUs40128
Tensor Coresno data128
Ray Tracing Coresno data32

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 3.0 x8PCIe 4.0 x16
WidthIGPno data
Supplementary power connectorsNoneno data

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 typeGDDR5GDDR6
Maximum RAM amount4 GB12 GB
Memory bus width64 Bit192 Bit
Memory clock speed1500 MHz1750 MHz
Memory bandwidth48 GB/s336.0 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 Connectors1x DVI, 1x HDMI, 1x DisplayPortPortable Device Dependent
HDMI+-

API compatibility

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

DirectX12 (12_0)12 Ultimate (12_2)
Shader Model6.46.7
OpenGL4.64.6
OpenCL2.03.0
Vulkan1.2.1311.3
CUDA-8.6

Pros & cons summary


Recency 11 April 2018 12 April 2021
Maximum RAM amount 4 GB 12 GB
Chip lithography 14 nm 8 nm
Power consumption (TDP) 50 Watt 70 Watt

550X 640SP has 40% lower power consumption.

RTX A3000 Mobile 12 GB, on the other hand, has an age advantage of 3 years, a 200% higher maximum VRAM amount, and a 75% more advanced lithography process.

We couldn't decide between Radeon 550X 640SP and RTX A3000 Mobile 12 GB. We've got no test results to judge.

Be aware that Radeon 550X 640SP is a desktop card while RTX A3000 Mobile 12 GB is a mobile 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 550X 640SP
Radeon 550X 640SP
NVIDIA RTX A3000 Mobile 12 GB
RTX A3000 Mobile 12 GB

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