AMD Phenom II X4 945 (125W) vs Intel Xeon E5-2403 v2
Physical Specifications
| Socket | AMD Socket AM3 | Intel Socket 1356 |
|---|---|---|
| Process size | 45 nm | 22 nm |
| Transistors | 758 million | 1,400 million |
| Die size | 258 mm² | 160 mm² |
| Package | µPGA | — |
| Foundry | — | Intel |
Performance
| Frequency | 3 GHz | 1800 MHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 200 MHz | 100 MHz |
| Multiplier | 15.0x | 18.0x |
| Multiplier unlocked | No | No |
| Voltage | 1.5 V | — |
| TDP | 125 W | 80 W |
Architecture Details
| Vertical Segment | Desktop | Server/Workstation |
|---|---|---|
| Production status | End-of-life | unknown |
| Release date | Apr 23rd, 2009 | Sep 1st, 2013 |
| Codename | Deneb | Ivy Bridge-EN |
| Generation | Phenom II X4 | Xeon E5 |
| Part | HDX945FBK4DGIHDX945FBGIBOX | SR1AL |
| Memory support | DDR3 Dual-channel | DDR3 |
| ECC memory | No | Yes |
| PCI Express | Gen 2 | — |
Cores
| Total Cores | 4 | 4 |
|---|---|---|
| Total Threads | 4 | 4 |
| SMP # CPUs | 1 | 2 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 128K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 512K (per core) | 256K (per core) |
| Cache L3 | 6MB (shared) | 10MB (shared) |
Features & Technologies
| 3DNow! | Yes | — |
|---|---|---|
| AES-NI | — | Yes |
| AMD-V | Yes | — |
| AMD64 | Yes | — |
| AVX | — | Yes |
| ECC | — | Yes |
| EIST | — | Yes |
| EPT | — | Yes |
| F16C | — | Yes |
| Intel 64 | — | Yes |
| MMX | Yes | Yes |
| NX bit | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.2 | — | Yes |
| SSE4A | Yes | — |
| SSSE3 | — | Yes |
| TXT | — | Yes |
| VT-d | — | Yes |
| VT-x | — | Yes |
| XD bit | — | Yes |
