Steam Deck GPU vs Radeon RX 6600M

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Primary details

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

Place in the ranking136not rated
Place by popularitynot in top-100not in top-100
Power efficiency24.58no data
ArchitectureRDNA 2.0 (2020−2024)RDNA 2.0 (2020−2024)
GPU code nameNavi 23Van Gogh
Market segmentLaptopDesktop
Release date31 May 2021 (3 years ago)25 February 2022 (2 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 cores1792512
Core clock speed2068 MHz1000 MHz
Boost clock speed2416 MHz1600 MHz
Number of transistors11,060 million2,400 million
Manufacturing process technology7 nm7 nm
Power consumption (TDP)100 Watt15 Watt
Texture fill rate270.651.20
Floating-point processing power8.659 TFLOPS1.638 TFLOPS
ROPs6416
TMUs11232
Ray Tracing Cores288

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 sizemedium sizedno data
InterfacePCIe 4.0 x8no data
Lengthno data298 mm
Supplementary power connectorsNoneNone

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 typeGDDR6LPDDR5
Maximum RAM amount8 GB16 GB
Memory bus width128 Bit128 Bit
Memory clock speed1750 MHz1375 MHz
Memory bandwidth224.0 GB/s88 GB/s
Shared memory-no data

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 USB Type-C

API compatibility

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

DirectX12 Ultimate (12_2)12 (12_1)
Shader Model6.56.5
OpenGL4.64.6
OpenCL2.12.0
Vulkan1.31.2

Pros & cons summary


Recency 31 May 2021 25 February 2022
Maximum RAM amount 8 GB 16 GB
Power consumption (TDP) 100 Watt 15 Watt

Steam Deck GPU has an age advantage of 8 months, a 100% higher maximum VRAM amount, and 566.7% lower power consumption.

We couldn't decide between Radeon RX 6600M and Steam Deck GPU. We've got no test results to judge.

Be aware that Radeon RX 6600M is a notebook card while Steam Deck GPU 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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AMD Radeon RX 6600M
Radeon RX 6600M
AMD Steam Deck GPU
Steam Deck GPU

Comparisons with similar GPUs

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Community ratings

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4.3 1002 votes

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Questions & comments

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