NVIDIA GeForce GTX 1660 Ti Max-Q vs NVIDIA RTX A4 Mobile
Graphics Processor
| GPU model | TU116 | GA107 |
|---|---|---|
| Architecture | Turing | Ampere |
| Foundry | TSMC | Samsung |
| Manufacturing process | 12 nm | 8 nm |
| Number of transistors | 6,600 million | unknown |
| Die size | 284 mm² | unknown |
Mobile graphics
| Release date | Apr 23rd, 2019 | 2021 |
|---|---|---|
| Generation | GeForce 16 Mobile | Quadro Mobile (Ax000) |
| Production | Active | Active |
| Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| Predecessor | GeForce 10 Mobile | — |
| Successor | GeForce 20 Mobile | — |
| gpu.details.availability | — | 2021 |
Clocks
| Base clock | 1140 MHz | 1237 MHz |
|---|---|---|
| Boost clock | 1335 MHz | 1500 MHz |
| Memory clock | 1500 MHz 12 Gbps effective | 1750 MHz 14 Gbps effective |
Memory Configuration
| Memory size | 6 GB | 4 GB |
|---|---|---|
| Memory type | GDDR6 | GDDR6 |
| Memory bus width | 192 bit | 128 bit |
| Bandwidth | 288.0 GB/s | 224.0 GB/s |
Render Configuration
| Shading units | 1536 | 2048 |
|---|---|---|
| TMUs | 96 | 64 |
| ROPs | 48 | 40 |
| SM count | 24 | 16 |
| Cache L1 | 64 KB (per SM) | 128 KB (per SM) |
| Cache L2 | 1536 KB | 2 MB |
| Tensor cores | — | 64 |
| RT cores | — | 16 |
Performance
| Pixel rate | 64.08 GPixel/s | 60.00 GPixel/s |
|---|---|---|
| Texture rate | 128.2 GTexel/s | 96.00 GTexel/s |
| FP16 (half) performance | 8.202 TFLOPS (2:1) | 6.144 TFLOPS (1:1) |
| FP32 (float) performance | 4.101 TFLOPS | 6.144 TFLOPS |
| FP64 (double) performance | 128.2 GFLOPS (1:32) | 96.00 GFLOPS (1:64) |
Dimensions & Outputs
| Slot width | MXM Module | IGP |
|---|---|---|
| TDP | unknown | unknown |
| 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 | 8.6 |
| Shader model | 6.6 | 6.6 |
