Product Compare
AMD Radeon Instinct MI300X vs AMD Radeon R9 390
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Dec 2023 | Jun 2015 |
| Generation | Radeon Instinct | Pirate Islands |
| Type | Professional | Desktop |
| Bus Interface | PCIe 5.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 1000 MHz | |
| Boost Clock | 2100 MHz | |
| Memory Clock | 1300 MHz | 1500 MHz |
| Memory | ||
| Memory Size | 192GB | 8GB |
| Memory Type | HBM3 | GDDR5 |
| Memory Bus | 8192bit | 512bit |
| Bandwidth | 5.32TB/s | 384.0GB/s |
| Render Config | ||
| Compute Units | 304 | 40 |
| Shading Units | 19456 | 2560 |
| TMUs | 1216 | 160 |
| ROPs | 0 | 64 |
| Tensor Cores | 1216 | |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 Cache | 16 MB | 1024 KB |
| L3 Cache | 256 MB | |
| Theoretical Performance | ||
| Pixel Rate | 0 MPixel/s | 64.00 GPixel/s |
| Texture Rate | 2553.6 GTexel/s | 160.0 GTexel/s |
| FP16 (half) | 81.72 TFLOPS | |
| FP32 (float) | 81.72 TFLOPS | 5.120 TFLOPS |
| FP64 (double) | 40.86 TFLOPS | 640.0 GFLOPS |
| Graphics Processor | ||
| GPU Name | Aqua Vanjaram | Grenada |
| Architecture | CDNA 3.0 | GCN 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 5 nm | 28 nm |
| Transistors | 153 billion | 6.2 billion |
| Die Size | 1017 mm² | 438 mm² |
| GPU Variant | Grenada PRO(215-0880030) | |
| Board Design | ||
| TDP | 750W | 275W |
| Suggested PSU | 1150 W | 600 W |
| Outputs | No outputs | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 |
| Power Connectors | None | 1x 6-pin + 1x 8-pin |
| Graphics Features | ||
| DirectX | N/A | 12 (12_0) |
| OpenGL | N/A | 4.6 |
| OpenCL | 3.0 | 2.0 |
| Vulkan | N/A | 1.2 |
| Shader Model | N/A | 6.3 |