GeForce RTX 4080 Mobile vs Radeon Sky 900
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | not rated | 44 |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | GCN 1.0 (2012−2020) | Ada Lovelace |
| GPU code name | Tahiti | GN21-X9 |
| Market segment | Desktop | Laptop |
| Release date | 27 March 2013 (11 years ago) | 3 January 2023 (1 year ago) |
| Current price | $1173 | no data |
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 | 3584 | 7424 |
| Core clock speed | 825 MHz | 1860 MHz |
| Boost clock speed | 950 MHz | 2280 MHz |
| Number of transistors | 4,313 million | 35,800 million |
| Manufacturing process technology | 28 nm | 5 nm |
| Power consumption (TDP) | 300 Watt | 150 Watt (60 - 150 Watt TGP) |
| Texture fill rate | 106.4 | 386.3 |
| Floating-point performance | 2x 3,405 gflops | no data |
Form factor & compatibility
Information on Radeon Sky 900 and GeForce RTX 4080 Mobile compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
| Laptop size | no data | large |
| Bus support | PCIe 3.0 | no data |
| Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| Length | 305 mm | no data |
| Width | 2-slot | no data |
| Form factor | full height / full length | no data |
| Supplementary power connectors | 2x 8-pin | 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 | GDDR5 | GDDR6X |
| Maximum RAM amount | 6 GB | 12 GB |
| Memory bus width | 384 Bit | 192 Bit |
| Memory clock speed | 5000 MHz | 20000 MHz |
| Memory bandwidth | 480 GB/s | 432.0 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 Connectors | 1x DVI, 1x mini-DisplayPort | Portable Device Dependent |
| Dual-link DVI support | 1 | no data |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_1) | 12 Ultimate (12_2) |
| Shader Model | 5.1 | 6.7 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2.131 | 1.3 |
| CUDA | no data | 8.9 |
Pros & cons summary
| Recency | 27 March 2013 | 3 January 2023 |
| Maximum RAM amount | 6 GB | 12 GB |
| Chip lithography | 28 nm | 5 nm |
| Power consumption (TDP) | 300 Watt | 150 Watt |
We couldn't decide between Radeon Sky 900 and GeForce RTX 4080 Mobile. We've got no test results to judge.
Be aware that Radeon Sky 900 is a desktop card while GeForce RTX 4080 Mobile is a notebook 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
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
