Product Compare
AMD Radeon HD 6870 vs NVIDIA GeForce RTX 3080
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Oct 2010 | Sep 2020 |
| Generation | Northern Islands | GeForce 30 |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 2.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Memory Clock | 1050 MHz | 1188 MHz |
| Base Clock | 1440 MHz | |
| Boost Clock | 1710 MHz | |
| Memory | ||
| Memory Size | 1024MB | 10GB |
| Memory Type | GDDR5 | GDDR6X |
| Memory Bus | 256bit | 320bit |
| Bandwidth | 134.4GB/s | 760.3GB/s |
| Render Config | ||
| Compute Units | 14 | |
| Shading Units | 1120 | 8704 |
| TMUs | 56 | 272 |
| ROPs | 32 | 96 |
| L1 Cache | 8 KB (per CU) | 128 KB (per SM) |
| L2 Cache | 512 KB | 5 MB |
| SM Count | 68 | |
| Tensor Cores | 272 | |
| RT Cores | 68 | |
| Theoretical Performance | ||
| Pixel Rate | 28.80 GPixel/s | 164.2 GPixel/s |
| Texture Rate | 50.40 GTexel/s | 465.1 GTexel/s |
| FP32 (float) | 2.016 TFLOPS | 29.77 TFLOPS |
| FP16 (half) | 29.77 TFLOPS | |
| FP64 (double) | 465.1 GFLOPS | |
| Graphics Processor | ||
| GPU Name | Barts | GA102 |
| GPU Variant | Barts XT(215-0798000) | GA102-200-KD-A1 |
| Architecture | TeraScale 2 | Ampere |
| Foundry | TSMC | Samsung |
| Process Size | 40 nm | 8 nm |
| Transistors | 1.7 billion | 28.3 billion |
| Die Size | 255 mm² | 628 mm² |
| Board Design | ||
| TDP | 151W | 320W |
| Suggested PSU | 450 W | 700 W |
| Outputs | 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1 | 1x HDMI 2.13x DisplayPort 1.4a |
| Power Connectors | 2x 6-pin | 1x 12-pin |
| Graphics Features | ||
| DirectX | 11.2 (11_0) | 12 Ultimate (12_2) |
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | N/A | 1.3 |
| Shader Model | 5.0 | 6.6 |
| CUDA | 8.6 | |