AMD Athlon X4 950 vs Intel Xeon E5603
Physical Specifications
| Socket | AMD Socket AM4 | Intel Socket 1366 |
|---|---|---|
| Process size | 28 nm | 32 nm |
| Transistors | 1,178 million | 1,170 million |
| Die size | 246 mm² | 239 mm² |
| Package | µPGA | FC-LGA10 |
| tCaseMax | 74°C | — |
| Foundry | — | Intel |
Performance
| Frequency | 3.5 GHz | 1600 MHz |
|---|---|---|
| Turbo clock | up to 3.8 GHz | — |
| Base clock | 100 MHz | 133 MHz |
| Multiplier | 35.0x | 12.0x |
| Multiplier unlocked | Yes | No |
| Voltage | 1.475 V | 1.35 V |
| TDP | 65 W | 80 W |
Architecture Details
| Vertical Segment | Desktop | Server/Workstation |
|---|---|---|
| Production status | Active | End-of-life |
| Release date | Jul 27th, 2017 | Feb 14th, 2011 |
| Codename | Bristol Ridge | Westmere-EP |
| Generation | Athlon | Xeon |
| Part | AD950XAGM44AB | SLC2F |
| Memory support | DDR4 Dual-channel | DDR3 Triple-channel |
| 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 | — | 4MB (shared) |
Notes
| Notes | This processor comes with an unlocked base clock multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. | — |
|---|
Features & Technologies
| 3DNow! | Yes | — |
|---|---|---|
| 4.8GT/s QPI | — | Yes |
| AES | Yes | — |
| AES-NI | — | Yes |
| AMD-V | Yes | — |
| AMD64 | Yes | — |
| AVX | Yes | — |
| AVX2 | Yes | — |
| BMI1 | Yes | — |
| BMI2 | Yes | — |
| EIST | — | Yes |
| EVP | Yes | — |
| F16C | Yes | — |
| FMA3 | Yes | — |
| FMA4 | Yes | — |
| Intel 64 | — | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4 | Yes | — |
| SSE4.1 | Yes | — |
| SSE4.2 | Yes | Yes |
| SSE4A | Yes | — |
| SSSE3 | — | Yes |
| TBM | Yes | — |
| TXT | — | Yes |
| Turbo Core | Yes | — |
| VT-x | — | Yes |
| XD-Bit | — | Yes |
| XOP | Yes | — |
