Specs: TU116 GPU
NVIDIA's new Turing GPU architecture is a thing of beauty, sparking life into the mid-range sub-$300 segment with the GeForce GTX 1660 Ti, especially when you look at it spec-by-spec against the previous-gen GTX 1060. It might have the same 6GB framebuffer, but we've changed from GDDR5 to GDDR6, which results in a huge injection of memory bandwidth that helps the GTX 1660 Ti kick some serious ass at higher resolutions.
The new GeForce GTX 1660 Ti has 24 SMs and 1536 CUDA cores versus the Pascal-based GeForce GTX 1060 and its 10 SMs and 1280 CUDA cores. TU116 is much beefier than the GP106 used on the GTX 1060. GP106 has 4.4 billion transistors, versus the 6.6 billion in TU116 - as you can see, Turing is a beast even in TU116 form. This comes at a price of die size, with the GP106 coming in at 200mm2 while the TU116 is a much larger 284mm2 chip. GP106 was made on the 14nm node, while TU116 is made one the newer, smaller 12nm process.
GPU clocks are similar at a reference level with the GTX 1060 coming in at 1506/1708MHz for base and boost respectively, while the TU116 kicks off at 1500MHz base, but boosts up further to 1770MHz. The custom cards we have here today are faster again, with some nice wiggle room for overclocking. We have 96 texture units on the TU116 versus 80 texture units on the GP106, resulting in 169.9 Gigatexels/sec of texel fill-rate performance on the TU116 versus the 120.5 Gigatexels/sec.
NVIDIA is still using 6GB of VRAM on the new GeForce GTX 1660 Ti but has upgraded to faster GDDR6 memory, over the 6GB of GDDR5 used on the GTX 1060. This results in a huge upgrade in memory bandwidth from 192GB/sec on the GTX 1060, to a huge 288.1GB/sec on the new GTX 1660 Ti. NVIDIA has the GDDR6 clocked at 12Gbps on the GTX 1660 Ti, down from the 14Gbps on the faster RTX cards but considerably higher than the 8Gbps on the GTX 1060. This is a huge 50% more memory bandwidth, which is absolutely huge for a card at this price point.
NVIDIA has also managed to keep the TDP at just 120W on the GTX 1660 Ti, the same 120W TDP found on the GTX 1060. Impressive stuff, the blend of Turing, GDDR6, and the 12nm node helps the company achieve impressive performance per watt numbers.
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- Page 1 [Introduction, GTX Not RTX, & Pricing]
- Page 2 [Specs: TU116 vs GP106]
- Page 3 [Specs: MSI GTX 1660 Ti GAMING X/VENTUS XS]
- Page 4 [Detailed Look]
- Page 5 [Test System Specs]
- Page 6 [Benchmarks - Synthetic]
- Page 7 [Benchmarks - 1080p]
- Page 8 [Benchmarks - 1440p]
- Page 9 [Benchmarks - 4K]
- Page 10 [Thermals, Power, Noise]
- Page 11 [Overclocking]
- Page 12 [Performance Thoughts & Final Thoughts]