Product Compare
AMD Radeon RX 7700 vs AMD Radeon HD 6990
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Sep 2025 | Mar 2011 |
| Generation | Navi III | Northern Islands |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 4.0 x16 | PCIe 2.0 x16 |
| Clock Speeds | ||
| Base Clock | 1900 MHz | |
| Boost Clock | 2600 MHz | |
| Memory Clock | 2430 MHz | 1250 MHz |
| Memory | ||
| Memory Size | 16GB | 2GB |
| Memory Type | GDDR6 | GDDR5 |
| Memory Bus | 256bit | 256bit |
| Bandwidth | 622.1GB/s | 160.0GB/s |
| Render Config | ||
| Compute Units | 40 | 24 |
| Shading Units | 2560 | 1536 |
| TMUs | 160 | 96 |
| ROPs | 96 | 32 |
| RT Cores | 40 | |
| L1 Cache | 128 KB per Array | 8 KB (per CU) |
| L2 Cache | 2 MB | 512 KB |
| L3 Cache | 64 MB | |
| Theoretical Performance | ||
| Pixel Rate | 249.6 GPixel/s | 26.56 GPixel/s |
| Texture Rate | 416.0 GTexel/s | 79.68 GTexel/s |
| FP16 (half) | 53.25 TFLOPS | |
| FP32 (float) | 26.62 TFLOPS | 2.550 TFLOPS |
| FP64 (double) | 832.0 GFLOPS | 637.4 GFLOPS |
| Graphics Processor | ||
| GPU Name | Navi 32 | Antilles |
| GPU Variant | Navi 32 | Antilles XT(215-0807027) |
| Architecture | RDNA 3.0 | TeraScale 3 |
| Foundry | TSMC | TSMC |
| Process Size | 5 nm | 40 nm |
| Transistors | 28.1 billion | 2.64 billion |
| Die Size | 346 mm² | 389 mm² |
| Board Design | ||
| TDP | 200W | 375W |
| Suggested PSU | 550 W | 750 W |
| Outputs | 1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C | 1x DVI4x mini-DisplayPort 1.2 |
| Power Connectors | 1x 8-pin | 2x 8-pin |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 11.2 (11_0) |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 2.2 | 1.2 |
| Vulkan | 1.3 | N/A |
| Shader Model | 6.8 | 5.0 |