AMD Radeon R9 270 vs NVIDIA GeForce GTX 1660
Graphics Processor
| GPU model | Curacao | TU116 |
|---|---|---|
| GPU variant | Curacao PRO (215-0848000) | TU116-300-A1 |
| Architecture | GCN 1.0 | Turing |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 12 nm |
| Number of transistors | 2,800 million | 6,600 million |
| Die size | 212 mm² | 284 mm² |
Graphics Card
| Release date | Nov 13th, 2013 | Mar 14th, 2019 |
|---|---|---|
| Generation | Volcanic Islands | GeForce 16 |
| Production | End-of-life | Active |
| Launch price | 179 USD | 219 USD |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Reviews | 32 in our database | 40 in our database |
| Predecessor | Sea Islands | GeForce 10 |
| Successor | Pirate Islands | GeForce 20 |
Clocks
| Base clock | 900 MHz | 1530 MHz |
|---|---|---|
| Boost clock | 925 MHz | 1785 MHz |
| Memory clock | 1400 MHz 5.6 Gbps effective | 2001 MHz 8 Gbps effective |
Memory Configuration
| Memory size | 2 GB | 6 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 256 bit | 192 bit |
| Bandwidth | 179.2 GB/s | 192.1 GB/s |
Render Configuration
| Shading units | 1280 | 1408 |
|---|---|---|
| TMUs | 80 | 88 |
| ROPs | 32 | 48 |
| Compute units | 20 | — |
| Cache L1 | 16 KB (per CU) | 64 KB (per SM) |
| Cache L2 | 512 KB | 1536 KB |
| SM count | — | 22 |
Performance
| Pixel rate | 29.60 GPixel/s | 85.68 GPixel/s |
|---|---|---|
| Texture rate | 74.00 GTexel/s | 157.1 GTexel/s |
| FP32 (float) performance | 2.368 TFLOPS | 5.027 TFLOPS |
| FP64 (double) performance | 148.0 GFLOPS (1:16) | 157.1 GFLOPS (1:32) |
| FP16 (half) performance | — | 10.05 TFLOPS (2:1) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 210 mm 8.3 inches | 229 mm 9 inches |
| TDP | 150 W | 120 W |
| Suggested PSU | 450 W | 300 W |
| Outputs | 2x DVI1x HDMI1x DisplayPort | 1x DVI1x HDMI1x DisplayPort |
| Power connectors | 1x 6-pin | 1x 8-pin |
| Board number | C630, C631, C632 | PG165 SKU 0 |
| Width | — | 111 mm 4.4 inches |
| Height | — | 35 mm 1.4 inches |
API Support & Features
| DirectX | 12 (11_1) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.1 | 6.6 |
| CUDA | — | 7.5 |
