Intel Core i5-661 vs Intel Core i7-4500U
Physical Specifications
| Socket | Intel Socket 1156 | Intel BGA 1168 |
|---|---|---|
| Foundry | Intel | Intel |
| Process size | 32 nm | 22 nm |
| Transistors | 382 million | 1,300 million |
| Die size | 81 mm² | 118 mm² |
| Package | FC-LGA10 | FC-BGA1168 |
Performance
| Frequency | 3.333 GHz | 1800 MHz |
|---|---|---|
| Turbo clock | up to 3.6 GHz | up to 3 GHz |
| Base clock | 133 MHz | 100 MHz |
| Multiplier | 25.0x | 18.0x |
| Multiplier unlocked | No | No |
| Voltage | 1.4 V | — |
| TDP | 87 W | 15 W |
Architecture Details
| Vertical Segment | Desktop | Mobile |
|---|---|---|
| Production status | End-of-life | unknown |
| Release date | Jan 7th, 2010 | Jun 4th, 2013 |
| Codename | Clarkdale | Haswell-ULT |
| Generation | Core i5 | Core i7 |
| Part | SLBNESLBTB | SR16Z |
| Memory support | DDR3 Dual-channel | DDR3 |
| ECC memory | No | No |
| PCI Express | Gen 2, 16 Lanes(CPU only) | — |
Cores
| Total Cores | 2 | 2 |
|---|---|---|
| Total Threads | 4 | 4 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | Intel HD | Intel HD 4400 |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 256K (per core) | 256K (per core) |
| Cache L3 | 4MB (shared) | 4MB (shared) |
Features & Technologies
| AES-NI | — | Yes |
|---|---|---|
| AVX | — | Yes |
| EIST | — | Yes |
| HTT | Yes | Yes |
| Intel 64 | Yes | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4 | Yes | — |
| SSE4.1 | Yes | — |
| SSE4.2 | Yes | Yes |
| SSSE3 | Yes | Yes |
| TBT | Yes | — |
| TXT | Yes | Yes |
| VT-d | Yes | — |
| VT-x | Yes | Yes |
| XD bit | — | Yes |
| XD-Bit | Yes | — |
