GeForce GTX 1660 Ti Mobile Refresh vs RTX 3080 Mobile
General info
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 86 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | Ampere (2020−2022) | Turing (2018−2021) |
| GPU code name | GN20-E7 GA104 | TU116B |
| Market segment | Laptop | Laptop |
| Release date | 12 January 2021 (3 years ago) | 15 May 2019 (4 years ago) |
Technical specs
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 | 6144 | 1536 |
| Core clock speed | 780 - 1100 MHz | no data |
| Boost clock speed | 1245 - 1710 MHz | 1590 MHz |
| Number of transistors | 17,400 million | 6,600 million |
| Manufacturing process technology | 8 nm | 12 nm |
| Power consumption (TDP) | 150 Watt (80 - 150 Watt TGP) | no data |
| Texture fill rate | 296.6 | 152.6 |
Size and compatibility
Information on GeForce RTX 3080 Mobile and GeForce GTX 1660 Ti Mobile Refresh compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. 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 | large | no data |
| Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |
Memory
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 | GDDR6 |
| Maximum RAM amount | 16 GB | 6 GB |
| Memory bus width | 256 Bit | 192 Bit |
| Memory clock speed | 14000 MHz | 16 GB/s |
| Memory bandwidth | 384.0 GB/s | 384.0 GB/s |
| Shared memory | - | no data |
Video outputs and ports
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 | No outputs | 1x DVI, 1x HDMI, 3x DisplayPort |
| HDMI | no data | + |
API support
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 Ultimate (12_2) | 12 (12_1) |
| Shader Model | 6.5 | 6.5 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 1.2 |
| Vulkan | 1.2 | 1.2 |
| CUDA | 8.6 | 7.5 |
Advantages and disadvantages
| Recency | 12 January 2021 | 15 May 2019 |
| Maximum RAM amount | 16 GB | 6 GB |
| Chip lithography | 8 nm | 12 nm |
We couldn't decide between GeForce RTX 3080 Mobile and GeForce GTX 1660 Ti Mobile Refresh. We've got no test results to judge.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
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