Product Compare
AMD Radeon R7 260X vs AMD Radeon HD 7990
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Oct 2013 | Apr 2013 |
| Generation | Volcanic Islands | Southern Islands |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Memory Clock | 1625 MHz | 1500 MHz |
| Base Clock | 950 MHz | |
| Boost Clock | 1000 MHz | |
| Memory | ||
| Memory Size | 2GB | 3GB |
| Memory Type | GDDR5 | GDDR5 |
| Memory Bus | 128bit | 384bit |
| Bandwidth | 104.0GB/s | 288.0GB/s |
| Render Config | ||
| Compute Units | 14 | 32 |
| Shading Units | 896 | 2048 |
| TMUs | 56 | 128 |
| ROPs | 16 | 32 |
| L1 Cache | 16 KB (per CU) | 16 KB (per CU) |
| L2 Cache | 256 KB | 768 KB |
| Theoretical Performance | ||
| Pixel Rate | 17.60 GPixel/s | 32.00 GPixel/s |
| Texture Rate | 61.60 GTexel/s | 128.0 GTexel/s |
| FP32 (float) | 1.971 TFLOPS | 4.096 TFLOPS |
| FP64 (double) | 123.2 GFLOPS | 1024 GFLOPS |
| Graphics Processor | ||
| GPU Name | Bonaire | Malta |
| GPU Variant | Bonaire XTX(215-0839097) | Malta XT(215-0849026) |
| Architecture | GCN 2.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 28 nm |
| Transistors | 2.08 billion | 4.313 billion |
| Die Size | 160 mm² | 365 mm² |
| Board Design | ||
| TDP | 115W | 375W |
| Suggested PSU | 300 W | 750 W |
| Outputs | 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 | 1x DVI4x mini-DisplayPort 1.2 |
| Power Connectors | 1x 6-pin | 2x 8-pin |
| Graphics Features | ||
| DirectX | 12 (12_0) | 12 (11_1) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 1.2 |
| Vulkan | 1.2 | 1.2 |
| Shader Model | 6.3 | 5.1 |