AMD Athlon II X4 645 vs AMD Athlon X4 940
Físico
| Socket | AMD Socket AM3 | AMD Socket AM4 |
|---|---|---|
| Tamaño del proceso | 45 nm | 28 nm |
| Transistores | 300 million | 1,178 million |
| Tamaño de Die | 169 mm² | 246 mm² |
| Paquete | µPGA | µPGA |
| tCaseMax | — | 74°C |
Desempeño
| Frecuencia | 3.1 GHz | 3.2 GHz |
|---|---|---|
| Frecuencia turbo | — | up to 3.6 GHz |
| Frecuencia de reloj base | 200 MHz | 100 MHz |
| Multiplicador | 15.5x | 32.0x |
| Multiplicador desbloqueado | No | Yes |
| Voltaje | 1.4 V | 1.475 V |
| TDP | 95 W | 65 W |
Arquitectura
| Mercado | Desktop | Desktop |
|---|---|---|
| Estado de producción | End-of-life | Active |
| Fecha de publicación | Sep 21st, 2010 | Jul 27th, 2017 |
| Nombre Clave | Propus | Bristol Ridge |
| Generación | Athlon II X4 | Athlon |
| Parte | ADX645WFK42GMADX645WFGMBOX | AD940XAGM44AB |
| Soporte de memoria | DDR3 Dual-channel | DDR4 Dual-channel |
| Memoria ECC | No | No |
| PCI Express | Gen 2 | — |
Núcleos
| Número de núcleos | 4 | 4 |
|---|---|---|
| Número de hilos | 4 | 4 |
| SMP # CPUs | 1 | 1 |
| Gráficos integrados | — | — |
Caché
| Caché L1 | 128K (per core) | 128K (per core) |
|---|---|---|
| Caché L2 | 512K (per core) | 512K (per core) |
Características
| 3DNow! | Yes | Yes |
|---|---|---|
| AES | — | Yes |
| AMD-V | Yes | Yes |
| AMD64 | Yes | Yes |
| AVX | — | Yes |
| AVX2 | — | Yes |
| BMI1 | — | Yes |
| BMI2 | — | Yes |
| EVP | — | Yes |
| F16C | — | Yes |
| FMA3 | — | Yes |
| FMA4 | — | Yes |
| MMX | Yes | Yes |
| NX bit | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4 | — | Yes |
| SSE4.1 | — | Yes |
| SSE4.2 | — | Yes |
| SSE4A | Yes | Yes |
| TBM | — | Yes |
| Turbo Core | — | Yes |
| XOP | — | Yes |
Notas
| Notas | — | This processor comes with an unlocked base clock multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. |
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