AMD Athlon X4 940 vs AMD Phenom II X4 840T
Physique
| Socket | AMD Socket AM4 | AMD Socket AM3 |
|---|---|---|
| Taille du processus | 28 nm | 45 nm |
| Transistors | 1,178 million | 904 million |
| Taille des matrices | 246 mm² | 346 mm² |
| Package | µPGA | µPGA |
| tCaseMax | 74°C | — |
Performance
| Fréquence | 3.2 GHz | 2.9 GHz |
|---|---|---|
| Turbo clock | up to 3.6 GHz | up to 3.2 GHz |
| Base clock | 100 MHz | 200 MHz |
| Multiplicateur | 32.0x | 14.5x |
| Multiplicateur débloqué | Yes | No |
| Tension | 1.475 V | 1.4 V |
| TDP | 65 W | 95 W |
Architecture
| Marché | Desktop | Desktop |
|---|---|---|
| État de la production | Active | End-of-life |
| Date de sortie | Jul 27th, 2017 | Sep 1st, 2010 |
| Nom de code | Bristol Ridge | Zosma |
| Génération | Athlon | Phenom II X4 |
| Part | AD940XAGM44AB | HD840TWFK4DGR |
| Support mémoire | DDR4 Dual-channel | DDR3 Dual-channel |
| La mémoire du CEC | No | No |
| PCI Express | — | Gen 2 |
Cœurs
| Nombre de cœurs | 4 | 4 |
|---|---|---|
| Nombre de threads | 4 | 4 |
| SMP # CPUs | 1 | 1 |
| Cartes graphiques intégrées | — | — |
Cache
| Cache L1 | 128K (per core) | 128K (per core) |
|---|---|---|
| Cache L2 | 512K (per core) | 512K (per core) |
| Cache L3 | — | 6MB (shared) |
Remarques
| Remarques | This processor comes with an unlocked base clock multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. | OEM only. |
|---|
Caractéristiques
| 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 | Yes |
| XOP | Yes | — |
