Key facts
Production status: End-of-life
Release date: 2010-01-07
Cores / Threads: 2 / 4
Base clock: 1200 MHz
Turbo clock: 2267 MHz
TDP: 18 W
Process: 32 nm
Codename: Arrandale
Generation: Core i7 (Arrandale)
All available specs
| Field | Value |
|---|---|
| name | Core i7-640UM |
| Socket | Intel BGA 1288 |
| Foundry | Intel |
| Process Size | 32 nm |
| Transistors | 382 million |
| Die Size | 81 mm² |
| Package | mFCBGA10 |
| Market | Mobile |
| Production Status | End-of-life |
| Release Date | Jan 7th, 2010 |
| Part# | SLBMM SLBSR Q4B5 |
| Frequency | 1200 MHz |
| Turbo Clock | up to 2.267 GHz |
| Base Clock | 133 MHz |
| Multiplier | 9.0x |
| Multiplier Unlocked | No |
| Codename | Arrandale |
| Generation | Core i7 (Arrandale) |
| Memory Support | DDR3 |
| ECC Memory | No |
| # of Cores | 2 |
| # of Threads | 4 |
| SMP # CPUs | 1 |
| Integrated Graphics | HD Graphics (Ironlake) |
| Cache L1 | 64 KB (per core) |
| Cache L2 | 256 KB (per core) |
| Features | MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, EIST, Intel 64, XD bit, TXT, VT-x, VT-d, HTT, Turbo Boost, AES-NI, Smart Cache |
| Notes | HD Graphics Dynamic Frequency: 166-500 MHz |
| Rated Speed | 1066 MT/s |
| Memory Bus | Dual-channel |
| Memory Bandwidth | 17.1 GB/s |
| tJMax | 105°C |
| Launch Price | $305 |
| PCI-Express | Gen 2 |
| Cache L3 | 4 MB (shared) |
| Chipsets | PM55, HM55, QM57, HM57 |
| Max Power | 37 W |
| IMC Process Size | 45 nm |
| IMC Die Size | 114 mm² |
| IMC Transistor Count | 177 million |
| Benchmark rank | 2895 |
| Benchmark samples | 55 |
| Benchmark price | 0 |
| Benchmark category | Laptop |
| Benchmark socket | BGA1288 |
| Benchmark date | 2010-06-01 |
| Benchmark TDP (W) | 18 |
| Benchmark base (MHz) | 1200 |
| Benchmark turbo (MHz) | 2266 |
| Benchmark cores | 2 |
| Benchmark threads per core | 2 |
| Benchmark threads | 4 |