AMD Athlon X2 7550 vs Intel Celeron B840
物理
| 插座 | AMD Socket AM2+ | Intel Socket G2 (988B) |
|---|---|---|
| 工艺尺寸 | 65 nm | 32 nm |
| 晶体管 | 450 million | 504 million |
| 模具尺寸 | 285 mm² | 131 mm² |
| 包 | µPGA | rPGA |
| 铸造厂 | — | Intel |
性能
| 频率 | 2.5 GHz | 1900 MHz |
|---|---|---|
| 涡轮时钟 | — | — |
| 基本时钟 | 200 MHz | 100 MHz |
| 乘数 | 12.5x | 19.0x |
| 乘数解锁 | No | No |
| 电压 | 1.325 V | — |
| TDP | 95 W | 35 W |
建筑
| 市场 | Desktop | Mobile |
|---|---|---|
| 生产状况 | End-of-life | End-of-life |
| 发布日期 | Dec 15th, 2008 | Jul 1st, 2011 |
| 代码名称 | Kuma | Sandy Bridge |
| 代 | Athlon X2 | Celeron |
| 部分 | AD7550WCJ2BGH | SR0EN |
| 内存支持 | unknown Dual-channel | DDR3 Dual-channel |
| ECC内存 | No | No |
| PCI Express | Gen 2 | — |
核心
| 核心数 | 2 | 2 |
|---|---|---|
| 线程数 | 2 | 2 |
| SMP # CPU | 1 | 1 |
| 集成显卡 | — | Intel HD (Sandy Bridge) |
快取
| 缓存 L1 | 128K (per core) | 64K (per core) |
|---|---|---|
| 缓存 L2 | 512K (per core) | 256K (per core) |
| 缓存 L3 | 2MB (shared) | 2MB (shared) |
特征
| 3DNow! | Yes | — |
|---|---|---|
| AMD-V | Yes | — |
| AMD64 | Yes | — |
| CnQ | Yes | — |
| EIST | — | Yes |
| HT3.0 | Yes | — |
| Intel 64 | — | Yes |
| MMX | Yes | Yes |
| NX bit | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | — | Yes |
| SSE4.2 | — | Yes |
| SSE4A | Yes | — |
| SSSE3 | — | Yes |
| Smart Cache | — | Yes |
| VT-x | — | Yes |
| XD bit | — | Yes |
