AMD Phenom II X2 555 BE vs AMD Ryzen Threadripper PRO 3975WX
Physical Specifications
| Socket | AMD Socket AM3 | AMD Socket WRX8 |
|---|---|---|
| Process size | 45 nm | 7 nm |
| Transistors | 758 million | 3,800 million |
| Die size | 258 mm² | 74 mm² |
| Package | µPGA | sWRX8 |
| Foundry | — | TSMC |
| tCaseMax | — | 95°C |
Performance
| Frequency | 3.2 GHz | 3.5 GHz |
|---|---|---|
| Turbo clock | — | up to 4.2 GHz |
| Base clock | 200 MHz | 100 MHz |
| Multiplier | 16.0x | 35.0x |
| Multiplier unlocked | Yes | No |
| Voltage | 1.4 V | — |
| TDP | 80 W | 280 W |
| FP32 | — | 6,451.2 GFLOPS |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | End-of-life | Active |
| Release date | Jan 25th, 2010 | Jul 14th, 2020 |
| Codename | Callisto | Matisse |
| Generation | Phenom II X2 | Ryzen Threadripper |
| Part | HDZ555WFK2DGMHDZ555WFGMBOX | 100-000000086 |
| Memory support | DDR3 Dual-channel | DDR4-3200 MHz Eight-channel |
| ECC memory | No | Yes |
| PCI Express | Gen 2 | Gen 4, 128 Lanes(CPU only) |
Cores
| Total Cores | 2 | 32 |
|---|---|---|
| Total Threads | 2 | 64 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 128K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 512K (per core) | 512K (per core) |
| Cache L3 | 6MB (shared) | 128MB |
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. It is branded under the Black Edition label. | 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 | — |
|---|---|---|
| AES | — | Yes |
| AMD-V | Yes | Yes |
| AMD64 | Yes | Yes |
| AVX | — | Yes |
| AVX2 | — | Yes |
| BMI1 | — | Yes |
| BMI2 | — | Yes |
| EVP | — | Yes |
| F16C | — | Yes |
| FMA3 | — | Yes |
| MMX | Yes | Yes |
| NX bit | Yes | — |
| Precision Boost 2 | — | Yes |
| SHA | — | Yes |
| SMAP | — | Yes |
| SMEP | — | Yes |
| SMT | — | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | — | Yes |
| SSE4.2 | — | Yes |
| SSE4A | Yes | Yes |
| SSSE3 | — | Yes |
| XFR 2 | — | Yes |
