Technical details
The trimmed AD103 in the RTX 4070 has 46 active shader modules (SMs) with a total of 5,888 shaders. This corresponds to a reduction of 42.5% compared to the 80 SMs and 10,240 shaders of the full AD103 chip.
Despite the reduced shader count, TechPowerUP says that no significant performance loss is to be expected for the average user. The overall performance of the RTX 4070 should not be affected in normal operation. The use of AD103 chips in the RTX 4070 is likely motivated by economic reasons. NVIDIA probably has a surplus of AD103 chips that do not meet the high requirements of the RTX 4080 and RTX 4090 models, but are still sufficiently powerful for the RTX 4070.
Conclusion and outlook
The use of shortened AD103 chips in the RTX 4070 shows that NVIDIA is being more flexible with its GPU resources. Whether this will become a permanent trend remains to be seen. However, it is possible that we could see similar modifications in other models in the future.
- It is unclear whether this is an official initiative from NVIDIA or whether the change has been made solely by board partners such as MSI.
- Benchmarking tools such as GPU-Z have already been updated to recognize the new configuration.
- The long-term impact of this change on the pricing and market value of the RTX 4070 is still uncertain.
Source: TechPowerUP
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