Core i7-640M vs Celeron N2807

The Core i7-640M packs 2 cores / 4 threads, matching the Celeron N2807's 2 cores. Boost clocks reach 3.46 GHz on the Core i7-640M versus 2.16 GHz on the Celeron N2807 — a 46.3% clock advantage for the Core i7-640M (base: 2.8 GHz vs 1.58 GHz). The Core i7-640M uses the Arrandale (2010−2011) architecture (32 nm), while the Celeron N2807 uses Bay Trail-M (2013−2014) (22 nm). In PassMark, the Core i7-640M scores 2,092 against the Celeron N2807's 2,093 — a 0% lead for the Celeron N2807. L3 cache: 4 MB (total) on the Core i7-640M vs 0 kB on the Celeron N2807.

The Core i7-640M uses the PGA988 socket (PCIe 2.0), while the Celeron N2807 uses FCBGA1170 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1066 on the Core i7-640M versus DDR3L-1333 on the Celeron N2807 — the Core i7-640M supports 198.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-640M supports up to 8 of RAM compared to 4 GB — 66.7% more capacity for professional workloads. Memory channels: 2 (Core i7-640M) vs 1 (Celeron N2807). PCIe lanes: 16 (Core i7-640M) vs 4 (Celeron N2807) — the Core i7-640M offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM55,HM57,QM57 (Core i7-640M) and SoC (Celeron N2807).

Neither processor supports overclocking. Virtualization support: true (Core i7-640M) vs VT-x (Celeron N2807). Both include integrated graphics — Intel HD Graphics (Ironlake) (Core i7-640M) and Intel HD Graphics (Bay Trail) (Celeron N2807) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron N2807 targets Netbook. Direct competitor: Core i7-640M rivals Core 2 Duo T9600; Celeron N2807 rivals AMD E1-6010.