AMD A8-7680 vs AMD Opteron 840
Physical Specifications
| Socket | AMD Socket FM2+ | AMD Socket 940 |
|---|---|---|
| Process size | 28 nm | 130 nm |
| Transistors | 1,178 million | 106 million |
| Die size | 246 mm² | 193 mm² |
| Package | µPGA | µPGA |
| tCaseMax | 74°C | — |
Performance
| Frequency | 3.5 GHz | 1400 MHz |
|---|---|---|
| Turbo clock | up to 3.8 GHz | — |
| Base clock | 100 MHz | 200 MHz |
| Multiplier | 35.0x | 7.0x |
| Multiplier unlocked | Yes | No |
| Voltage | 1.475 V | 1.5 V |
| TDP | 45 W | 82 W |
Architecture Details
| Vertical Segment | Desktop | Server/Workstation |
|---|---|---|
| Production status | Active | End-of-life |
| Release date | Oct 26th, 2018 | May 18th, 2004 |
| Codename | Godaveri | SledgeHammer |
| Generation | A8 | Opteron |
| Part | AD7680ACABBOX AD7680ACABCBX | OSA840CEP5AV |
| Memory support | DDR3 | unknown Dual-channel |
| ECC memory | No | No |
| PCI Express | — | Gen 2 |
Cores
| Total Cores | 4 | 1 |
|---|---|---|
| Total Threads | 4 | 1 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | Radeon R7 | — |
Cache
| Cache L1 | 128K (per core) | 128K |
|---|---|---|
| Cache L2 | 1MB (per core) | 1MB |
Features & Technologies
| 3DNow! | Yes | Yes |
|---|---|---|
| AMD-V | Yes | — |
| AMD64 | Yes | Yes |
| CnQ | Yes | — |
| MMX | Yes | Yes |
| NX bit | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | — |
| SSE4A | Yes | — |
