NVIDIA GeForce GTX 780 Ti 6 GB vs NVIDIA GeForce RTX 3080 Max-Q
Graphics Processor
| GPU model | GK110B | GA104 |
|---|---|---|
| Architecture | Kepler | Ampere |
| Foundry | TSMC | Samsung |
| Manufacturing process | 28 nm | 8 nm |
| Number of transistors | 7,080 million | 17,400 million |
| Die size | 561 mm² | 392 mm² |
| GPU variant | — | GA104-775-A1 |
Graphics Card
| Release date | Never Released | — |
|---|---|---|
| Generation | GeForce 700 | — |
| Production | End-of-life | — |
| Interface | PCIe 3.0 x16 | — |
| Reviews | 94 in our database | — |
| Predecessor | GeForce 600 | — |
| Successor | GeForce 900 | — |
Clocks
| Base clock | 875 MHz | 780 MHz |
|---|---|---|
| Boost clock | 928 MHz | 1245 MHz |
| Memory clock | 1753 MHz 7 Gbps effective | 1500 MHz 12 Gbps effective |
Memory Configuration
| Memory size | 6 GB | 8 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR6 |
| Memory bus width | 384 bit | 256 bit |
| Bandwidth | 336.6 GB/s | 384.0 GB/s |
Render Configuration
| Shading units | 2880 | 6144 |
|---|---|---|
| TMUs | 240 | 192 |
| ROPs | 48 | 96 |
| SMX count | 15 | — |
| Cache L1 | 16 KB (per SMX) | 128 KB (per SM) |
| Cache L2 | 1536 KB | 4 MB |
| SM count | — | 48 |
| Tensor cores | — | 192 |
| RT cores | — | 48 |
Performance
| Pixel rate | 55.68 GPixel/s | 119.5 GPixel/s |
|---|---|---|
| Texture rate | 222.7 GTexel/s | 239.0 GTexel/s |
| FP32 (float) performance | 5.345 TFLOPS | 15.30 TFLOPS |
| FP64 (double) performance | 222.7 GFLOPS (1:24) | 239.0 GFLOPS (1:64) |
| FP16 (half) performance | — | 15.30 TFLOPS (1:1) |
Dimensions & Outputs
| Slot width | Dual-slot | — |
|---|---|---|
| Length | 267 mm 10.5 inches | — |
| Width | 111 mm 4.4 inches | — |
| Height | 38 mm 1.5 inches | — |
| TDP | 250 W | 80 W |
| Suggested PSU | 600 W | — |
| Outputs | 2x DVI1x HDMI1x DisplayPort | No outputs |
| Power connectors | 1x 6-pin + 1x 8-pin | None |
| Board number | P2083 SKU 30 | — |
API Support & Features
| DirectX | 12 (11_1) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.1 | 1.2 |
| CUDA | 3.5 | 8.6 |
| Shader model | 5.1 | 6.6 |
Other Features
Mobile graphics
| Release date | — | Jan 12th, 2021 |
|---|---|---|
| gpu.details.availability | — | Feb 2nd, 2021 |
| Generation | — | GeForce 30 Mobile |
| Predecessor | — | GeForce 20 Mobile |
| Production | — | Active |
| Interface | — | PCIe 4.0 x16 |
