Steam Deck OLED GPU vs Radeon Graphics 448SP Mobile

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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 5.1 (2018−2022)RDNA 2.0 (2020−2024)
GPU code nameBarceloSephiroth
Market segmentLaptopDesktop
Release date6 January 2022 (2 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 cores448512
Core clock speed300 MHz1000 MHz
Boost clock speed1800 MHz1600 MHz
Number of transistors10,700 million2,400 million
Manufacturing process technology7 nm6 nm
Power consumption (TDP)45 Watt15 Watt
Texture fill rate50.4051.20
Floating-point processing power1.613 TFLOPS1.638 TFLOPS
ROPs816
TMUs2832
Ray Tracing Coresno data8

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).

InterfaceIGPno data
Lengthno data298 mm

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 typeSystem SharedLPDDR5
Maximum RAM amountSystem Shared16 GB
Memory bus widthSystem Shared128 Bit
Memory clock speedSystem Shared1375 MHz
Memory bandwidthno data88 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 ConnectorsPortable Device Dependent1x USB Type-C

API compatibility

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

DirectX12 (12_1)12 (12_1)
Shader Model6.7 (6.4)6.5
OpenGL4.64.6
OpenCL2.12.0
Vulkan1.31.2

Pros & cons summary


Recency 6 January 2022 9 November 2023
Chip lithography 7 nm 6 nm
Power consumption (TDP) 45 Watt 15 Watt

Steam Deck OLED GPU has an age advantage of 1 year, a 16.7% more advanced lithography process, and 200% lower power consumption.

We couldn't decide between Radeon Graphics 448SP Mobile and Steam Deck OLED GPU. We've got no test results to judge.

Be aware that Radeon Graphics 448SP Mobile is a notebook card while Steam Deck OLED 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 Graphics 448SP Mobile
Radeon Graphics 448SP Mobile
AMD Steam Deck OLED GPU
Steam Deck OLED GPU

Comparisons with similar GPUs

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Community ratings

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3.3 37 votes

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4.6 23 votes

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Questions & comments

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