Product Compare
NVIDIA GeForce RTX 3080 Ti vs AMD Radeon HD 7870 XT
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | May 2021 | Nov 2012 |
| Generation | GeForce 30 | Southern Islands |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 1365 MHz | 925 MHz |
| Boost Clock | 1665 MHz | 975 MHz |
| Memory Clock | 1188 MHz | 1500 MHz |
| Memory | ||
| Memory Size | 12GB | 2GB |
| Memory Type | GDDR6X | GDDR5 |
| Memory Bus | 384bit | 256bit |
| Bandwidth | 912.4GB/s | 192.0GB/s |
| Render Config | ||
| SM Count | 80 | |
| Shading Units | 10240 | 1536 |
| TMUs | 320 | 96 |
| ROPs | 112 | 32 |
| Tensor Cores | 320 | |
| RT Cores | 80 | |
| L1 Cache | 128 KB (per SM) | 16 KB (per CU) |
| L2 Cache | 6 MB | 512 KB |
| Compute Units | 24 | |
| Theoretical Performance | ||
| Pixel Rate | 186.5 GPixel/s | 31.20 GPixel/s |
| Texture Rate | 532.8 GTexel/s | 93.60 GTexel/s |
| FP16 (half) | 34.10 TFLOPS | |
| FP32 (float) | 34.10 TFLOPS | 2.995 TFLOPS |
| FP64 (double) | 532.8 GFLOPS | 748.8 GFLOPS |
| Graphics Processor | ||
| GPU Name | GA102 | Tahiti |
| GPU Variant | GA102-225-A1 | Tahiti LE(215-0821122) |
| Architecture | Ampere | GCN 1.0 |
| Foundry | Samsung | TSMC |
| Process Size | 8 nm | 28 nm |
| Transistors | 28.3 billion | 4.313 billion |
| Die Size | 628 mm² | 352 mm² |
| Board Design | ||
| TDP | 350W | 185W |
| Suggested PSU | 750 W | 450 W |
| Outputs | 1x HDMI 2.13x DisplayPort 1.4a | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power Connectors | 1x 12-pin | 2x 6-pin |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 1.2 |
| Vulkan | 1.3 | 1.2 |
| CUDA | 8.6 | |
| Shader Model | 6.6 | 5.1 |