I3 1215U:

I = Intel

3-9: 3 = The most affordable processors; 5 = Mid-range processors; 7 = High-end processors; 9 = Multi-Purpose Top of the Line processors

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• 12 = 12th Generation
• 15 = SKU Numeric Digits

F-Y: F + K = DESKTOP PROCESSORS | G1-7 + H + T + U + Y = LAPTOP/MOBILE PROCESSORS

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F = No iGPU (Integrated Graphics Card)

K = Unlocked Processor/Overclockable Processor + Best processor of the line

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G1-7 = iGPU performance level (Low to High)

H = High-Performance

T = Lower Power but for Power Efficiency

U = Lower Power but for Performance

Y = Lowest Power Draw possible of that processor line

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I3-1215U: Intel Core 3 12th Gen 15 Low Power Performance

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Intel UHD Graphics: Integrated Graphics Processing Unit ^((aka iGPU))

https://en.wikipedia.org/wiki/List_of_Intel_graphics_processing_units

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Dedicated Graphics Card: On-board GPU/Graphics Card

GPU = Graphical Processing Unit

Graphics Card = Component that sits on your motherboard (Laptops/Mobile Devices do not have a Graphics Card)

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Storage: A component inside your motherboard that lets you store files

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Flash Storage Types: HDD (Hard Disk Drive), SSD (Solid State Drive), USB Flash Drive (Universal Serial Bus Flash Drive), SD Card (Secure Digital Card).

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Optical Storage Types: CD (Compact Disks), DVD (Digital Versatile Disc), Blu-ray Disc.

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Cloud Storage = Online Storage

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Temporary Storage Types: RAM (Random Accessed Memory), ROM (Read Only Memory), Cache Memory.

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1215U Intel UHD Graphics Datasheet:

Name: Intel UHD Graphics

Year Released: 2021

Market: Mobile

Code Name: Alder Lake

Model: i3-1215U

Device ID: 46B3

Core Config: 512:64:8

Clock Rate Min/Max: 300/1100MHz

API Support;

Direct3D: 12 + FL12_1

OpenGL: 4.6

OpenCL: 3

Vulkan: 1.3 (Windows) 1.2 (Linux)

Memory Bandwidth: 76.8GB/s

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I3-1215U Specs;

Total Cores: 6 2P/4E (2 Performance/4 Efficiency)

Total Threads: 8

Max Performance/Efficiency Frequency: P-4.4GHz E-3.3GHz

Cache: 10MB

Total Draw Power: 15-55W

Max Memory Size: 64GB

Max Memory Speed: (LPDDR4) Laptop DDR4x = 4267MT/s (4267MHz)

(LPDDR5) Laptop DDR5 = 5200MT/s (5200MHz)

Max Memory Channels: 2

Error-Correcting Code Memory Support: No

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Processor Graphics;

Max Frequency: 1.1GHz

Output: Display port 1.4b or 1.4a | HDMI 2.1

Execution Units (Shaders/GPU Cores): 64

Max Resolution;

HDMI: 4096 x 2304 @ 60Hz

DP: 7680 x 4320 @ 60Hz

eDP: 4096 x 2304 @ 60Hz (Integrated Flat Panel / Laptop Screen)

DirectX Support: 12.1

OpenGL Support: 4.6

OpenCL Support: 3.0

Multi-Format Codec Engines: 1 (Hardware Encoding/Decoding)

Intel Quick Sync Video: Yes

Display Amount Support: 4

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Processor Extras;

Intel Thunderbolt 4: Yes

Microprocessor PCIe Revision: Generation 4

Chipset / PCH PCIe Revision: Generation 3

Max Number of PCI Express Lanes: 20

Socket: 1744

Max Temperature: 100C

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As for the last part of your post:

Dedicated GPUs have completely different names from Integrated GPUs, they are less complex and obviously more powerful but only work on Desktops.

Dedicated GPUs are processors placed in a card that you plug into your Desktop based motherboard

Integrated GPUs are processors already integrated in your CPU (Central/Computing Processor Unit) and will always be weaker than dGPUs for obvious reasons.

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Hopefully this helped you understand more about how technology works.