NVIDIA GeForce GTX 1660 Ti Mobile vs NVIDIA GeForce RTX 2070 Mobile Refresh
Graphics Processor
| GPU model | TU116 | TU106B |
|---|---|---|
| Architecture | Turing | Turing |
| Foundry | TSMC | TSMC |
| Manufacturing process | 12 nm | 12 nm |
| Number of transistors | 6,600 million | 10,800 million |
| Die size | 284 mm² | 445 mm² |
Mobile graphics
| Release date | Apr 23rd, 2019 | Mar 4th, 2020 |
|---|---|---|
| Generation | GeForce 16 Mobile | GeForce 20 Mobile |
| Production | Active | Active |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Predecessor | GeForce 10 Mobile | GeForce 10 Mobile |
| Successor | GeForce 20 Mobile | GeForce 30 Mobile |
Clocks
| Base clock | 1455 MHz | 1260 MHz |
|---|---|---|
| Boost clock | 1590 MHz | 1455 MHz |
| Memory clock | 1500 MHz 12 Gbps effective | 1375 MHz 11 Gbps effective |
Memory Configuration
| Memory size | 6 GB | 8 GB |
|---|---|---|
| Memory type | GDDR6 | GDDR6 |
| Memory bus width | 192 bit | 256 bit |
| Bandwidth | 288.0 GB/s | 352.0 GB/s |
Render Configuration
| Shading units | 1536 | 2304 |
|---|---|---|
| TMUs | 96 | 144 |
| ROPs | 48 | 64 |
| SM count | 24 | 36 |
| Cache L1 | 64 KB (per SM) | 64 KB (per SM) |
| Cache L2 | 1536 KB | 4 MB |
| Tensor cores | — | 288 |
| RT cores | — | 36 |
Performance
| Pixel rate | 76.32 GPixel/s | 93.12 GPixel/s |
|---|---|---|
| Texture rate | 152.6 GTexel/s | 209.5 GTexel/s |
| FP16 (half) performance | 9.769 TFLOPS (2:1) | 13.41 TFLOPS (2:1) |
| FP32 (float) performance | 4.884 TFLOPS | 6.705 TFLOPS |
| FP64 (double) performance | 152.6 GFLOPS (1:32) | 209.5 GFLOPS (1:32) |
Dimensions & Outputs
| Slot width | MXM Module | MXM Module |
|---|---|---|
| TDP | unknown | 115 W |
| Outputs | No outputs | No outputs |
| Power connectors | None | None |
| Board number | E4914 SKU 50 | — |
API Support & Features
| DirectX | 12 (12_1) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| CUDA | 7.5 | 7.5 |
| Shader model | 6.6 | 6.6 |
