Intel Celeron G1820 vs Intel Core 2 Quad Q8400S
Physical Specifications
| Socket | Intel Socket 1150 | Intel Socket 775 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 22 nm | 45 nm |
| Transistors | 1,400 million | 456 million |
| Die size | 177 mm² | 2x 82 mm² |
| Package | FC-LGA12C | FC-LGA6 |
| tCaseMax | 72°C | 76°C |
Performance
| Frequency | 2.7 GHz | 2.666 GHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 100 MHz | 333 MHz |
| Multiplier | 27.0x | 8.0x |
| Multiplier unlocked | No | No |
| TDP | 54 W | 65 W |
| Voltage | — | 0.9 V |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | Active | End-of-life |
| Release date | Dec 1st, 2013 | Apr 19th, 2009 |
| Codename | Haswell | Yorkfield |
| Generation | Celeron | Core 2 Quad |
| Part | unknown | SLGT7 |
| Memory support | DDR3 Dual-channel | DDR1, DDR2, DDR3 Dual-channel |
| ECC memory | No | No |
| PCI Express | Gen 3 | Gen 2 |
Cores
| Total Cores | 2 | 4 |
|---|---|---|
| Total Threads | 2 | 4 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | Intel HD (Haswell) | — |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 4MB (shared) |
| Cache L3 | 3MB (shared) | — |
Features & Technologies
| CLMUL | Yes | — |
|---|---|---|
| EIST | Yes | Yes |
| FMA3 | 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 | — |
| VT-x | Yes | — |
| XD bit | Yes | — |
| iAMT2 | — | Yes |
