GPU's

Graphics Processing Unit, is a specialized electronic circuit designed to accelerate the processing of images and videos for output to a display.

NVIDIA

NVIDIA GeForce RTX 2080 Ti

• Architecture: Turing

• CUDA Cores: 4,352

• Memory: 11 GB GDDR6

• Key Features: Ray tracing, DLSS, still a strong performer for 1440p and 4K gaming

NVIDIA GeForce RTX 3060 Ti

• Architecture: Ampere

• CUDA Cores: 4,864

• Memory: 8 GB GDDR6

• Key Features: Ray tracing, DLSS 2.0, great value for 1080p and 1440p gaming

NVIDIA GeForce RTX 4090

• Architecture: Ada Lovelace

• CUDA Cores: 16,384

• Memory: 24 GB GDDR6X

• Key Features: Ray tracing, DLSS 3.0, 4K and 8K gaming, AI-enhanced graphics

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AMD

AMD Radeon RX 5500 XT

• Architecture: RDNA

• Stream Processors: 1,408

• Memory: 8 GB GDDR6

• Key Features: Solid performance for 1080p gaming, good value

AMD Radeon RX 6700

• Architecture: RDNA 2

• Stream Processors: 2,304

• Memory: 10 GB GDDR6

• Key Features: Ray tracing, solid 1440p gaming performance, AMD FSR

AMD Radeon RX 7900 XTX

• Architecture: RDNA 3

• Stream Processors: 6,144

• Memory: 24 GB GDDR6

• Key Features: Ray tracing, high performance for 4K gaming, AMD FSR (FidelityFX Super Resolution)

Unlike a CPU, which is optimized for general-purpose processing tasks, a GPU is specifically tailored for handling complex mathematical calculations needed for rendering graphics.

For more detailed information, you can refer to sources like NVIDIA's explanation of GPUs or AMD's overview of graphics processing units.