Intel Pentium G6951 vs Intel Xeon E3-1220L
Physical Specifications
| Socket | Intel Socket 1156 | Intel Socket 1155 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 32 nm | 32 nm |
| Transistors | 382 million | 504 million |
| Die size | 81 mm² | 131 mm² |
| Package | FC-LGA10 | FC-LGA10 |
Performance
| Frequency | 2.8 GHz | 2.2 GHz |
|---|---|---|
| Turbo clock | — | up to 3.4 GHz |
| Base clock | 133 MHz | 100 MHz |
| Multiplier | 21.0x | 22.0x |
| Multiplier unlocked | No | No |
| Voltage | 1.4 V | — |
| TDP | 73 W | 20 W |
Architecture Details
| Vertical Segment | Desktop | Server/Workstation |
|---|---|---|
| Production status | End-of-life | End-of-life |
| Release date | Sep 1st, 2010 | Apr 3rd, 2011 |
| Codename | Clarkdale | Sandy Bridge |
| Generation | Pentium | Xeon E3 |
| Part | SLBTF | SR070 |
| Memory support | DDR3 Dual-channel | DDR3 Dual-channel |
| ECC memory | No | Yes |
| PCI Express | Gen 2, 16 Lanes(CPU only) | Gen 3, 16 Lanes(CPU only) |
Cores
| Total Cores | 2 | 2 |
|---|---|---|
| Total Threads | 2 | 4 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | Intel HD | — |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 3MB (shared) | 3MB (shared) |
Notes
| Notes | Can be "upgraded" to enable Hyper-Threading and an additional 1MB L3 cache by purchasing and downloading Intel software. | — |
|---|
Features & Technologies
| AES-NI | — | Yes |
|---|---|---|
| AVX | — | Yes |
| EIST | — | Yes |
| HTT | — | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.2 | — | Yes |
| SSSE3 | Yes | Yes |
| TXT | — | Yes |
| VT-d | — | Yes |
| VT-x | Yes | Yes |
| XD bit | — | Yes |
| XD-Bit | Yes | — |
