Intel Celeron B840 vs Intel Core 2 Duo E7300
物理
| 插座 | Intel Socket G2 (988B) | Intel Socket 775 |
|---|---|---|
| 铸造厂 | Intel | Intel |
| 工艺尺寸 | 32 nm | 45 nm |
| 晶体管 | 504 million | 420 million |
| 模具尺寸 | 131 mm² | 107 mm² |
| 包 | rPGA | FC-LGA6 |
| tCaseMax | — | 74°C |
性能
| 频率 | 1900 MHz | 2.667 GHz |
|---|---|---|
| 涡轮时钟 | — | — |
| 基本时钟 | 100 MHz | 266 MHz |
| 乘数 | 19.0x | 10.0x |
| 乘数解锁 | No | No |
| TDP | 35 W | 65 W |
| 电压 | — | 1.11 V |
建筑
| 市场 | Mobile | Desktop |
|---|---|---|
| 生产状况 | End-of-life | End-of-life |
| 发布日期 | Jul 1st, 2011 | Aug 10th, 2008 |
| 代码名称 | Sandy Bridge | Wolfdale |
| 代 | Celeron | Core 2 Duo |
| 部分 | SR0EN | SLAPB |
| 内存支持 | DDR3 Dual-channel | DDR1, DDR2, 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 | 64K (per core) | 64K (per core) |
|---|---|---|
| 缓存 L2 | 256K (per core) | 3MB (shared) |
| 缓存 L3 | 2MB (shared) | — |
特征
| C1E | — | Yes |
|---|---|---|
| C2E | — | Yes |
| EIST | Yes | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4 | — | Yes |
| SSE4.1 | Yes | — |
| SSE4.2 | Yes | — |
| SSSE3 | Yes | — |
| Smart Cache | Yes | — |
| VT-x | Yes | — |
| XD bit | Yes | — |
