Intel Core i7-3940XM vs Intel Core i7-8550U
Physisch
| Socket | Intel Socket G2 (988B) | Intel BGA 1356 |
|---|---|---|
| Hersteller | Intel | Intel |
| Strukturgröße | 22 nm | 14 nm |
| Transistoren | 1,400 million | unknown |
| Chipgröße | 160 mm² | 123 mm² |
| Package | FC-PGA12F | FC-BGA1356 |
| tCaseMax | — | 72°C |
Leistung
| Taktfrequenz | 3 GHz | 1800 MHz |
|---|---|---|
| Übertaktung | up to 3.9 GHz | up to 4 GHz |
| Basis-Taktfrequenz | 100 MHz | 100 MHz |
| Multiplikator | 30.0x | 18.0x |
| Multiplikator entsperrt | Yes | No |
| TDP | 55 W | 15 W |
Architektur
| Typ | Mobile | Mobile |
|---|---|---|
| Produktionsstatus | End-of-life | Active |
| Veröffentlichungsdatum | Sep 3rd, 2012 | Aug 21st, 2017 |
| Codename | Ivy Bridge | Kaby Lake-R |
| Generation | Core i7 | Core i7 |
| Part# | SR0US | SR3LC |
| Speicherunterstützung | DDR3 Dual-channel | DDR4 |
| ECC-Speicher | No | No |
Kerne
| Anzahl der Kerne | 4 | 4 |
|---|---|---|
| Anzahl der Threads | 8 | 8 |
| SMP # CPUs | 1 | 1 |
| Integrierter Grafikprozessor | Intel HD 4000 | UHD 620 |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 8MB (shared) | 8MB (shared) |
Anmerkungen
| Anmerkungen | This processor comes with an unlocked BCLK multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Extreme Edition label. Intel HD 4000 frequency: 650-1300MHz | — |
|---|
Features
| AES-NI | Yes | Yes |
|---|---|---|
| AVX | Yes | Yes |
| AVX2 | — | Yes |
| BMI1 | — | Yes |
| BMI2 | — | Yes |
| Boost 2.0 | — | Yes |
| CLMUL | — | Yes |
| EIST | Yes | Yes |
| F16C | — | Yes |
| FMA3 | — | Yes |
| HTT | Yes | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.2 | Yes | Yes |
| SSSE3 | Yes | Yes |
| TSX | — | Yes |
| TXT | Yes | Yes |
| VT-d | Yes | Yes |
| VT-x | Yes | Yes |
| XD bit | Yes | Yes |
