| Specifications | |
|---|---|
| Designer | AMD |
| Family | Opteron |
| Model | 856 |
| Code Name | Athens |
| Clock [MHz] | 3000.0 |
| Max Clock (Turbo) [MHz] | |
| Physical Details | |
|---|---|
| Voltage (Nom.) [V] | |
| TDP [W] | |
| Die Size [mm²] | |
| Transistor [M] | |
| Architecture | |
|---|---|
| Data Path Width | |
| Cores per Chip | 2 |
| Threads per Core | 1 |
| Cache (on-chip) | |
|---|---|
| L1 Unified Cache | |
| L1 Instruction Cache | 64 |
| L1 Data Cache | 64 |
| L2 Cache | 2048 |
| L3 Cache | |
| Cache (off-chip) | |
|---|---|
| L1 Unified Cache | |
| L1 Instruction Cache | |
| L1 Data Cache | |
| L2 Cache | |
| L3 Cache | |
| Process Technology | |
|---|---|
| Fabricated By | AMD |
| Process | http://cpudb.stanford.edu/technologies/3 |
| Technology | CMOS |
| Feature Size [μm] | 0.09 |
| Channel Length [μm] | 0.053 |
| Metal Layers | |
| Metal Type | |
| FO4 Delay [ps] | 19.1 |
| Gzip | Vpr | Gcc | Mcf | Crafty | Parser | Eon | Perlbmk | Gap | Vortex | Bzip2 | Twolf | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1450.0 | 1266.0 | 1515.0 | 1166.0 | 2014.0 | 1829.0 | 2759.0 | 2182.0 | 1930.0 | 2706.0 | 1521.0 | 1787.0 | source |
| Wupwise | Swim | Mgrid | Applu | Mesa | Galgel | Art | Equake | Facerec | Ammp | Lucas | Fma3d | Sixtrack | Apsi | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2932.0 | 2250.0 | 1757.0 | 1532.0 | 1182.0 | 3126.0 | 4588.0 | 1727.0 | 2130.0 | 1288.0 | 1853.0 | 1659.0 | 906.0 | 1563.0 | source |