Steam Deck OLED GPU vs Radeon Graphics 448SP Mobile
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | GCN 5.1 (2018−2022) | RDNA 2.0 (2020−2023) |
| GPU code name | Barcelo | Sephiroth |
| Market segment | Laptop | Desktop |
| Release date | 6 January 2022 (2 years ago) | 9 November 2023 (less than a year ago) |
Detailed specifications
General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 448 | 512 |
| Boost clock speed | 1800 MHz | 1600 MHz |
| Number of transistors | 10,700 million | 2,400 million |
| Manufacturing process technology | 7 nm | 6 nm |
| Power consumption (TDP) | 45 Watt | 15 Watt |
| Texture fill rate | 50.40 | 51.20 |
| Floating-point performance | 1.613 gflops | no data |
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).
| Interface | IGP | no data |
| Length | no data | 298 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 type | System Shared | LPDDR5 |
| Maximum RAM amount | System Shared | 16 GB |
| Memory bus width | System Shared | 128 Bit |
| Memory clock speed | System Shared | 5.5 GB/s |
| Memory bandwidth | no data | 88 GB/s |
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 Connectors | Portable Device Dependent | 1x USB Type-C |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_1) | 12 (12_1) |
| Shader Model | 6.7 (6.4) | 6.5 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.0 |
| Vulkan | 1.3 | 1.2 |
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.
Comparisons with similar GPUs
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