NVIDIA GeForce RTX 3080 Ti 20 GB vs NVIDIA GeForce RTX 3090 Ti
Graphics Processor
| GPU model | GA102 | GA102 |
|---|---|---|
| GPU variant | GA102-225-A1 | GA102-350-A1 |
| Architecture | Ampere | Ampere |
| Foundry | Samsung | Samsung |
| Manufacturing process | 8 nm | 8 nm |
| Number of transistors | 28,300 million | 28,300 million |
| Die size | 628 mm² | 628 mm² |
Graphics Card
| Release date | Jan 2022 | Unknown |
|---|---|---|
| gpu.details.availability | 2022 | 2022 |
| Generation | GeForce 30 | GeForce 30 |
| Predecessor | GeForce 20 | GeForce 20 |
| Production | Active | Unreleased |
| Launch price | 1,199 USD | 1,699 USD |
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
| Reviews | 50 in our database | 55 in our database |
Clocks
| Base clock | 1335 MHz | 1560 MHz |
|---|---|---|
| Boost clock | 1665 MHz | 1860 MHz |
| Memory clock | 1188 MHz 19 Gbps effective | 1325 MHz 21.2 Gbps effective |
Memory Configuration
| Memory size | 20 GB | 24 GB |
|---|---|---|
| Memory type | GDDR6X | GDDR6X |
| Memory bus width | 320 bit | 384 bit |
| Bandwidth | 760.3 GB/s | 1,018 GB/s |
Render Configuration
| Shading units | 10240 | 10752 |
|---|---|---|
| TMUs | 320 | 336 |
| ROPs | 112 | 112 |
| SM count | 80 | 84 |
| Tensor cores | 320 | 336 |
| RT cores | 80 | 84 |
| Cache L1 | 128 KB (per SM) | 128 KB (per SM) |
| Cache L2 | 6 MB | 6 MB |
Performance
| Pixel rate | 186.5 GPixel/s | 208.3 GPixel/s |
|---|---|---|
| Texture rate | 532.8 GTexel/s | 625.0 GTexel/s |
| FP16 (half) performance | 34.10 TFLOPS (1:1) | 40.00 TFLOPS (1:1) |
| FP32 (float) performance | 34.10 TFLOPS | 40.00 TFLOPS |
| FP64 (double) performance | 532.8 GFLOPS (1:64) | 625.0 GFLOPS (1:64) |
Dimensions & Outputs
| Slot width | Dual-slot | Triple-slot |
|---|---|---|
| Length | 285 mm 11.2 inches | 336 mm 13.2 inches |
| Width | 112 mm 4.4 inches | 140 mm 5.5 inches |
| Height | 40 mm 1.6 inches | 61 mm 2.4 inches |
| TDP | 350 W | 450 W |
| Suggested PSU | 750 W | 850 W |
| Outputs | 1x HDMI3x DisplayPort | 1x HDMI3x DisplayPort |
| Power connectors | 1x 12-pin | 1x 12-pin |
| Board number | — | PG132 SKU |
API Support & Features
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| CUDA | 8.6 | 8.6 |
| Shader model | 6.6 | 6.6 |
