AMD Radeon Pro 555X vs NVIDIA GeForce GTX 1660 SUPER
Graphics Processor
| GPU model | Polaris 21 | TU116 |
|---|---|---|
| GPU variant | Polaris 21 PRO | TU116-300-A1 |
| Architecture | GCN 4.0 | Turing |
| Foundry | GlobalFoundries | TSMC |
| Manufacturing process | 14 nm | 12 nm |
| Number of transistors | 3,000 million | 6,600 million |
| Die size | 123 mm² | 284 mm² |
Mobile graphics
| Release date | Jul 16th, 2018 | — |
|---|---|---|
| Generation | Radeon Pro Mac (500X Series) | — |
| Production | Active | — |
| Interface | PCIe 3.0 x8 | — |
Clocks
| GPU clock | 907 MHz | — |
|---|---|---|
| Memory clock | 1470 MHz 5.9 Gbps effective | 1750 MHz 14 Gbps effective |
| Base clock | — | 1530 MHz |
| Boost clock | — | 1785 MHz |
Memory Configuration
| Memory size | 4 GB | 6 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR6 |
| Memory bus width | 128 bit | 192 bit |
| Bandwidth | 94.08 GB/s | 336.0 GB/s |
Render Configuration
| Shading units | 768 | 1408 |
|---|---|---|
| TMUs | 48 | 88 |
| ROPs | 16 | 48 |
| Compute units | 12 | — |
| Cache L1 | 16 KB (per CU) | 64 KB (per SM) |
| Cache L2 | 1024 KB | 1536 KB |
| SM count | — | 22 |
Performance
| Pixel rate | 14.51 GPixel/s | 85.68 GPixel/s |
|---|---|---|
| Texture rate | 43.54 GTexel/s | 157.1 GTexel/s |
| FP16 (half) performance | 1,393 GFLOPS (1:1) | 10.05 TFLOPS (2:1) |
| FP32 (float) performance | 1,393 GFLOPS | 5.027 TFLOPS |
| FP64 (double) performance | 87.07 GFLOPS (1:16) | 157.1 GFLOPS (1:32) |
Dimensions & Outputs
| Slot width | IGP | Dual-slot |
|---|---|---|
| TDP | 75 W | 125 W |
| Outputs | No outputs | 1x DVI1x HDMI1x DisplayPort |
| Power connectors | None | 1x 8-pin |
| Length | — | 229 mm 9 inches |
| Width | — | 111 mm 4.4 inches |
| Height | — | 35 mm 1.4 inches |
| Suggested PSU | — | 300 W |
| Board number | — | PG161 SKU 26 |
API Support & Features
| DirectX | 12 (12_0) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.4 | 6.6 |
| CUDA | — | 7.5 |
Other Features
Graphics Card
| Release date | — | Oct 29th, 2019 |
|---|---|---|
| Generation | — | GeForce 16 |
| Predecessor | — | GeForce 10 |
| Successor | — | GeForce 20 |
| Production | — | Active |
| Launch price | — | 229 USD |
| Interface | — | PCIe 3.0 x16 |
| Reviews | — | 42 in our database |
