NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA GeForce RTX 3060
Graphics Processor
| GPU model | GK104 | GA106 |
|---|---|---|
| Architecture | Kepler | Ampere |
| Foundry | TSMC | Samsung |
| Manufacturing process | 28 nm | 8 nm |
| Number of transistors | 3,540 million | 13,250 million |
| Die size | 294 mm² | 276 mm² |
| GPU variant | — | GA106-300-A1 |
Graphics Card
| Release date | Sep 13th, 2014 | Jan 12th, 2021 |
|---|---|---|
| Generation | GeForce 600 | GeForce 30 |
| Production | End-of-life | Active |
| Interface | PCIe 3.0 x16 | PCIe 4.0 x16 |
| Reviews | 77 in our database | 60 in our database |
| Predecessor | GeForce 500 | GeForce 20 |
| Successor | GeForce 700 | — |
| gpu.details.availability | — | Feb 25th, 2021 |
| Launch price | — | 329 USD |
Clocks
| Base clock | 980 MHz | 1320 MHz |
|---|---|---|
| Boost clock | 1032 MHz | 1777 MHz |
| Memory clock | 1502 MHz 6 Gbps effective | 1875 MHz 15 Gbps effective |
Memory Configuration
| Memory size | 2 GB | 12 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR6 |
| Memory bus width | 192 bit | 192 bit |
| Bandwidth | 144.2 GB/s | 360.0 GB/s |
Render Configuration
| Shading units | 960 | 3584 |
|---|---|---|
| TMUs | 80 | 112 |
| ROPs | 24 | 48 |
| SMX count | 5 | — |
| Cache L1 | 16 KB (per SMX) | 128 KB (per SM) |
| Cache L2 | 384 KB | 3 MB |
| SM count | — | 28 |
| Tensor cores | — | 112 |
| RT cores | — | 28 |
Performance
| Pixel rate | 20.64 GPixel/s | 85.30 GPixel/s |
|---|---|---|
| Texture rate | 82.56 GTexel/s | 199.0 GTexel/s |
| FP32 (float) performance | 1.981 TFLOPS | 12.74 TFLOPS |
| FP64 (double) performance | 82.56 GFLOPS (1:24) | 199.0 GFLOPS (1:64) |
| FP16 (half) performance | — | 12.74 TFLOPS (1:1) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 241 mm 9.5 inches | 242 mm 9.5 inches |
| TDP | 140 W | 170 W |
| Suggested PSU | 300 W | 450 W |
| Outputs | 2x DVI1x HDMI1x DisplayPort | 1x HDMI3x DisplayPort |
| Power connectors | 1x 6-pin | 1x 12-pin |
| Board number | P2004 SKU 11 | PG190 SKU 60 |
| Width | — | 112 mm 4.4 inches |
API Support & Features
| DirectX | 12 (11_0) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.1 | 1.2 |
| CUDA | 3.0 | 8.6 |
| Shader model | 5.1 | 6.6 |
