AMD EPYC 7251 vs AMD Mobile Athlon 64 2700+
Physical Specifications
| Socket | AMD Socket SP3 | AMD Socket 754 |
|---|---|---|
| Foundry | GlobalFoundries | — |
| Process size | 14 nm | 130 nm |
| Transistors | 4,800 million | 106 million |
| Die size | 213 mm² | 193 mm² |
| Package | FCLGA-4094 | µPGA |
| tCaseMax | 81°C | — |
Performance
| Frequency | 2.1 GHz | 1600 MHz |
|---|---|---|
| Turbo clock | up to 2.9 GHz | — |
| Base clock | 100 MHz | 1600 MHz |
| Multiplier | 21.0x | 8.0x |
| Multiplier unlocked | Yes | No |
| TDP | 120 W | 35 W |
| Voltage | — | 1.2 V |
Architecture Details
| Vertical Segment | Server/Workstation | Mobile |
|---|---|---|
| Production status | Active | End-of-life |
| Release date | Jun 29th, 2017 | Aug 1st, 2005 |
| Codename | Naples | Clawhammer |
| Generation | EPYC | Mobile Athlon 64 |
| Part | PS7251BFV8SAFPS7251BFAFWOF | AMD2700BQX4AR |
| Memory support | DDR4-2400 MHz Eight-channel | DDR1 Single-channel |
| ECC memory | Yes | No |
| PCI Express | Gen 3 | — |
Cores
| Total Cores | 8 | 1 |
|---|---|---|
| Total Threads | 16 | 1 |
| SMP # CPUs | 2 | 1 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 96K (per core) | 128K |
|---|---|---|
| Cache L2 | 512K (per core) | 512K |
| Cache L3 | 32MB (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 |
|---|---|---|
| ABM | Yes | — |
| ADX | Yes | — |
| AES | Yes | — |
| AMD-V | Yes | — |
| AMD-Vi | Yes | — |
| AMD64 | — | Yes |
| AVX | Yes | — |
| AVX2 | Yes | — |
| BMI1 | Yes | — |
| BMI2 | Yes | — |
| CLMUL | Yes | — |
| EMMX | Yes | — |
| F16C | Yes | — |
| FMA3 | Yes | — |
| FPU | Yes | — |
| MMX | Yes | Yes |
| NX bit | Yes | — |
| Protected | Yes | — |
| RdRand | Yes | — |
| Real | Yes | — |
| SEV | Yes | — |
| SHA | Yes | — |
| SME | Yes | — |
| SMM | Yes | — |
| SMT | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | — |
| SSE4.1 | Yes | — |
| SSE4.2 | Yes | — |
| SSE4A | Yes | — |
| SSSE3 | Yes | — |
| SenseMi | Yes | — |
| TSME | Yes | — |
