Intel Celeron B815 vs Intel Core 2 Duo E4400
Physical Specifications
| Socket | Intel Socket G2 (988B) | Intel Socket 775 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 32 nm | 65 nm |
| Transistors | 504 million | 167 million |
| Die size | 131 mm² | 111 mm² |
| Package | rPGA | FC-LGA6 |
Performance
| Frequency | 1600 MHz | 2000 MHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 100 MHz | 200 MHz |
| Multiplier | 16.0x | 10.0x |
| Multiplier unlocked | No | No |
| TDP | 35 W | 65 W |
| Voltage | — | 1.34 V |
Architecture Details
| Vertical Segment | Mobile | Desktop |
|---|---|---|
| Production status | unknown | End-of-life |
| Release date | Jan 1st, 2012 | Jul 22nd, 2007 |
| Codename | Sandy Bridge | Allendale |
| Generation | Celeron | Core 2 Duo |
| Part | unknown | HH80557PG0412M |
| Memory support | DDR3 Dual-channel | DDR1, DDR2, DDR3 Dual-channel |
| ECC memory | No | No |
| PCI Express | — | Gen 2 |
Cores
| Total Cores | 2 | 2 |
|---|---|---|
| Total Threads | 2 | 2 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | Intel HD (Sandy Bridge) | — |
Cache
| Cache L1 | 64K (per core) | 64K |
|---|---|---|
| Cache L2 | 256K (per core) | 2MB |
| Cache L3 | 2MB (shared) | — |
Features & Technologies
| EIST | Yes | Yes |
|---|---|---|
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | Yes | — |
| SSE4.2 | Yes | — |
| SSSE3 | Yes | — |
| Smart Cache | Yes | — |
| VT | — | Yes |
| VT-x | Yes | — |
| XD bit | Yes | — |
| iAMT2 | — | Yes |
