1 · AMD
AMD Radeon HD 79903 GBGDDR5
Hardware comparison
GPU comparison workbench
Compare up to five canonical GPUs side by side using normalized specification fields. Selection and card order are stored in the URL so this exact workbench can be copied and reopened.
Benchmarks
Exact-test performance
Bars compare only records using the exact same benchmark identifier.
3DMark Time Spy
GPU synthetic graphics benchmark
| Component | Score | Dataset rank |
|---|---|---|
| AMD Radeon HD 7990 | 2,246 | #129 / 156Among GPUs with 3DMark Time Spy data |
3DMark Time Spy Extreme
GPU synthetic graphics benchmark
| Component | Score | Dataset rank |
|---|---|---|
| AMD Radeon HD 7990 | 999 | #124 / 137Among GPUs with 3DMark Time Spy Extreme data |
Specifications
Technical comparison
| Specification | AMD Radeon HD 7990 |
|---|---|
| Overview | |
| Manufacturer | AMD |
| Family | Southern Islands(HD 7900) |
| Launch date | 2013-04-24 |
| Architecture | |
| Architecture | GCN 1.0 |
| Generation | Southern Islands(HD 7900) |
| GPU / chip | Malta |
| Foundry | TSMC |
| Process | 28 nm |
| Compute | |
| Compute units | 32 CUs |
| Shader processors | 4096 |
| Memory | |
| VRAM | 3 GB |
| Memory type | GDDR5 |
| Memory bus | 384 bit |
| Memory bandwidth | 288.0 GB/s |
| Clocks | |
| Base clock | 0.95 GHz |
| Boost clock | 1.0 GHz |
| Memory clock | 1.50 GHz |
| PCIe | |
| Bus interface | PCIe 3.0 x16 |
| Display | |
| Display outputs | 1x DVI, 4x mini-DisplayPort 1.2 |
| Power | |
| Board power | 375 W |
| Suggested PSU | 750 W |
| Power connectors | 2x 8-pin |
| Physical | |
| Reference dimensions | 304 mm × 38 mm × — |
| Slot width | Dual-slot |
References