NVIDIA GeForce GTX 1660 Ti Turing TU116-400 GPU (1)

Today marks the official launch of the NVIDIA GeForce GTX 1660, a new member of the GTX 16 series graphics card and the successor of the GTX 1060 6GB. While both GTX 1660 and GTX 1660 Ti are using the non-RTX Turing GPU TU116, there are a few notable differences in the specifications as between both cards.


GTX 1660 GTX 1660 Ti
Graphics Processing Cluster 3 3
Texture Processing Clusters 11 12
Streaming Multiprocessors 22 24
CUDA Cores (single precision) 1408 1536
Tensor Cores N/A N/A
RT Cores N/A N/A
Texture Units 88 96
ROP Units 48 48
Base Clock 1530MHz 1500MHz
Boost Clock 1785MHz 1770MHz
Memory Clock 8000MHz 12000MHz
Memory Data Rate 8Gbps 12Gbps
L2 Cache Size 1536K 1536K
Total Video Memory 6144MB GDDR5 6144MB GDDR6
Memory Interface 192-bit 192-bit
Total Memory Bandwidth 192.1GB/s 288.1GB/s
Texture Rate (Bilinear) 157.1 GigaTexels/second 169.9 GigaTexels/second
Fabrication Process 12nm FFN 12nm FFN
Transistor Count 6.6 Billion 6.6 Billion
Power Connectors One 8-pin One 8-pin
Recommended Power Supply 400 Watts 400 Watts
Thermal Design Power (TDP) 120 Watts 120 Watts
Thermal Threshold 95°C 95°C

The most notable difference here is the memory used. Unlike the GTX 1660 Ti that comes with GDDR6 memory, GDDR5 memory are still being used on the GTX 1660. This explains why the GTX 1660 has a slower data rate of 8Gbps and bandwidth 192.1GB/s, as compared to the GTX 1660 TI with GDDR6 memory.

Other than the difference on the type of memory, the GPU used for both cards are different as well. The GPU used for the GTX 1660 is a TU116-300, which has a lower CUDA core count of 1408 compared to the TU116-400 (1536 CUDA cores) used the GTX 1660 Ti. Though, the GTX 1660 has a slightly higher GPU base clock of 1530MHz and boost clock of 1785MHz.

As for the power requirement and TDP, both the GTX 1660 and GTX 1660 Ti shares the same power supply requirement of 400W and a single 8-pin PCIe power, TDP of 120W and thermal threshold of 95°C.

Advanced Shading

NVIDIA GeForce GTX 1660 Ti Adaptive Shading

Despite not having any RT and Tensor cores to support DLSS and real-time ray tracing features, both the GTX 1660 Ti and GTX 16660 still has its own advantage with the Turing TU116-400 and TU116-300 GPU as compared to the previous generation Pascal GPU. Content and Motion Adaptive Shading, Variable Rate Shading are some of the features available to the Turing architecture. Lower overhead can be achieved through this method by shading different level of segments selectively based on the depth data of a rendered scene. This allow better performance while preserving the level of details for closer segments of a scene.

NVIDIA GeForce GTX 1660 AIB partner boards

According to NVIDIA, all the GTX 1660 will be offered by the board partners i.e ASUS, EVGA, Gigabyte, ZOTAC, PALIT, Inno3D, MSI, etc as there will be no Founders Edition for this release.

To learn more about the GTX 1660, kindly visit NVIDIA’s product page at https://www.nvidia.com/en-my/geforce/graphics-cards/gtx-1660-ti/


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