GeForce RTX 4070 Mobile vs Polaris 20
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 56 |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | GCN 4.0 (2016−2020) | Ada Lovelace (2022−2024) |
| GPU code name | Polaris 20 | GN21-X6 |
| Market segment | Desktop | Laptop |
| Release date | no data | 3 January 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 | 2304 | 4608 |
| Core clock speed | no data | 1605 MHz |
| Boost clock speed | no data | 2175 MHz |
| Number of transistors | 5,700 million | no data |
| Manufacturing process technology | 14 nm | 5 nm |
| Power consumption (TDP) | no data | 115 Watt (35 - 115 Watt TGP) |
| Texture fill rate | no data | 244.1 |
| ROPs | 32 | 48 |
| TMUs | 144 | 144 |
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 | no data | large |
| Interface | no data | PCIe 4.0 x16 |
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 | no data | GDDR6 |
| Maximum RAM amount | no data | 8 GB |
| Memory bus width | no data | 128 Bit |
| Memory clock speed | no data | 16000 MHz |
| Memory bandwidth | no data | 256.0 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 | no data | Portable Device Dependent |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_0) | 12 Ultimate (12_2) |
| Shader Model | 6.7 | 6.7 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 3.0 |
| Vulkan | 1.3 | 1.3 |
| CUDA | - | 8.9 |
Pros & cons summary
| Chip lithography | 14 nm | 5 nm |
RTX 4070 Mobile has a 180% more advanced lithography process.
We couldn't decide between Polaris 20 and GeForce RTX 4070 Mobile. We've got no test results to judge.
Be aware that Polaris 20 is a desktop card while GeForce RTX 4070 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
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