NVIDIA GeForce RTX 3080 12 GB vs NVIDIA GeForce RTX 3080 Ti
Graphics Processor
| GPU model | GA102 | GA102 |
|---|---|---|
| GPU variant | GA102-220-A1 | GA102-300-A1 |
| Architecture | Ampere | Ampere |
| Foundry | Samsung | TSMC |
| Manufacturing process | 8 nm | 7 nm |
| Number of transistors | 28,300 million | 40,000 million |
| Die size | 628 mm² | 627 mm² |
Graphics Card
| Release date | Jan 11th, 2022 | 2020 |
|---|---|---|
| gpu.details.availability | Jan, 2022 | — |
| Generation | GeForce 30 | GeForce 30 |
| Predecessor | GeForce 20 | — |
| Production | Active | Unreleased |
| Launch price | 799 USD | 1,399 USD |
| Interface | PCIe 4.0 x16 | PCIe 4.0 x16 |
Clocks
| Base clock | 1260 MHz | 1410 MHz |
|---|---|---|
| Boost clock | 1710 MHz | 1740 MHz |
| Memory clock | 1188 MHz 19 Gbps effective | 2375 MHz 19000 MHz effective |
Memory Configuration
| Memory size | 12 GB | 12 GB |
|---|---|---|
| Memory type | GDDR6X | GDDR6X |
| Memory bus width | 384 bit | 384 bit |
| Bandwidth | 912.4 GB/s | 912.0 GB/s |
Render Configuration
| Shading units | 8960 | 5120 |
|---|---|---|
| TMUs | 280 | 320 |
| ROPs | 112 | 96 |
| SM count | 70 | 80 |
| Tensor cores | 280 | 640 |
| RT cores | 70 | 160 |
| Cache L1 | 128 KB (per SM) | 192 KB (per SM) |
| Cache L2 | 5 MB | 6 MB |
Performance
| Pixel rate | 191.5 GPixel/s | 167.0 GPixel/s |
|---|---|---|
| Texture rate | 478.8 GTexel/s | 556.8 GTexel/s |
| FP16 (half) performance | 30.64 TFLOPS (1:1) | 35.64 TFLOPS (2:1) |
| FP32 (float) performance | 30.64 TFLOPS | 17.82 TFLOPS |
| FP64 (double) performance | 478.8 GFLOPS (1:64) | 556.8 GFLOPS (1:32) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 285 mm 11.2 inches | 267 mm 10.5 inches |
| Width | 112 mm 4.4 inches | — |
| Height | 40 mm 1.6 inches | — |
| TDP | 350 W | 320 W |
| Suggested PSU | 750 W | 700 W |
| Outputs | 1x HDMI3x DisplayPort | 1x HDMI3x DisplayPort1x USB Type-C |
| Power connectors | 1x 12-pin | 1x 12-pin |
| Board number | — | PG132 SKU 20 |
API Support & Features
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 2.0 |
| Vulkan | 1.2 | 1.2.140 |
| CUDA | 8.6 | 8.5 |
| Shader model | 6.6 | 6.5 |
