Radeon Steam Deck 8CU vs HD 6645G2

Primary details

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

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Architecture	Terascale 2 (2009−2015)	RDNA 2 (2022−2023)
GPU code name	no data	RDNA 2 Sephiroth
Market segment	Laptop	Laptop
Release date	14 June 2011 (13 years ago)	9 November 2023 (1 year 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 cores	560	512
Boost clock speed	no data	1900 MHz
Manufacturing process technology	40 nm	6 nm

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 size

medium sized

no 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.

Shared memory

-

+

API compatibility

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

DirectX

11

12_1

Pros & cons summary

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Recency	14 June 2011	9 November 2023
Chip lithography	40 nm	6 nm

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