Radeon Steam Deck 8CU vs GeForce RTX 4070 Mobile
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 85 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 31.13 | no data |
| Architecture | Ada Lovelace (2022−2024) | RDNA 2 (2022−2023) |
| GPU code name | AD106 | RDNA 2 Sephiroth |
| Market segment | Laptop | Laptop |
| Release date | 3 January 2023 (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 cores | 4608 | 512 |
| Core clock speed | 1395 MHz | no data |
| Boost clock speed | 1695 MHz | 1900 MHz |
| Number of transistors | 22,900 million | no data |
| Manufacturing process technology | 5 nm | 6 nm |
| Power consumption (TDP) | 115 Watt | no data |
| Texture fill rate | 244.1 | no data |
| Floating-point processing power | 15.62 TFLOPS | no data |
| ROPs | 48 | no data |
| TMUs | 144 | no data |
| Tensor Cores | 144 | no data |
| Ray Tracing Cores | 36 | no data |
| L1 Cache | 4.5 MB | 512 KB |
| L2 Cache | 32 MB | 1 MB |
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 | large | no data |
| Interface | PCIe 4.0 x8 | 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.
| Memory type | GDDR6 | no data |
| Maximum RAM amount | 8 GB | no data |
| Memory bus width | 128 Bit | no data |
| Memory clock speed | 2000 MHz | no data |
| Memory bandwidth | 256.0 GB/s | no data |
| Shared memory | - | + |
| Resizable BAR | + | - |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | Portable Device Dependent | no data |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 Ultimate (12_2) | 12_1 |
| Shader Model | 6.8 | no data |
| OpenGL | 4.6 | no data |
| OpenCL | 3.0 | no data |
| Vulkan | 1.3 | - |
| CUDA | 8.9 | - |
| DLSS | + | - |
Pros & cons summary
| Recency | 3 January 2023 | 9 November 2023 |
| Chip lithography | 5 nm | 6 nm |
RTX 4070 Mobile has a 20% more advanced lithography process.
Steam Deck 8CU, on the other hand, has an age advantage of 10 months.
We couldn't decide between GeForce RTX 4070 Mobile and Radeon Steam Deck 8CU. We've got no test results to judge.
Other comparisons
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