Key facts
Production status: End-of-life
Release date: 2009-10-01
Cores / Threads: 2 / 2
Base clock: 3000 MHz
Turbo clock: -
TDP: 80 W
Process: 45 nm
Codename: Callisto
Generation: Phenom II X2 (Callisto)
All available specs
| Field | Value |
|---|---|
| name | Phenom II X2 B55 |
| Socket | AMD Socket AM3 |
| Foundry | GlobalFoundries |
| Process Size | 45 nm |
| Transistors | 758 million |
| Die Size | 258 mm² |
| Package | µPGA |
| Market | Desktop |
| Production Status | End-of-life |
| Release Date | Oct 1st, 2009 |
| Part# | HDXB55WFK2DGM |
| Frequency | 3 GHz |
| Base Clock | 200 MHz |
| Multiplier | 15.0x |
| Multiplier Unlocked | No |
| Voltage | 1.425 V |
| Codename | Callisto |
| Generation | Phenom II X2 (Callisto) |
| Memory Support | DDR2, DDR3 |
| ECC Memory | Yes |
| # of Cores | 2 |
| # of Threads | 2 |
| SMP # CPUs | 1 |
| Integrated Graphics | On certain motherboards (Chipset feature) |
| Cache L1 | 128 KB (per core) |
| Cache L2 | 512 KB (per core) |
| Features | MMX, 3DNow!, SSE, SSE2, SSE3, SSE4A, AMD64, NX bit, AMD-V, ABM |
| Notes | AMD Business Class processor, availability guaranteed for 24 months after release.ECC UDIMM supported by the IMC, motherboard support also required. |
| Rated Speed | 1333 MT/s |
| Memory Bus | Dual-channel |
| Memory Bandwidth | 21.3 GB/s |
| PCI-Express | Gen 2 |
| Cache L3 | 6 MB (shared) |
| Chipsets | AMD 700 Series, AMD 800 Series, AMD 900 Series, nForce 630a, nForce 700a, nForce 900a |
| Benchmark rank | 2839 |
| Benchmark samples | 62 |
| Benchmark price | 37.95 |
| Benchmark category | Desktop |
| Benchmark socket | AM3 |
| Benchmark date | 2009-12-01 |
| Benchmark TDP (W) | 80 |
| Benchmark base (MHz) | 3000 |
| Benchmark turbo (MHz) | 0 |
| Benchmark cores | 2 |
| Benchmark threads per core | 1 |
| Benchmark threads | 2 |