Intel® Core™ i7-940XM

The Intel Core i7-940XM is a laptop processor with 4 cores and 8 threads (45 nm process). It launched in Jun 2010. Clocks run from 2.13 GHz base to 3.33 GHz boost. A 8-MB L3 cache backs the cores (2.3 MB per core). It supports DDR3 memory. The chip drops into the FCPGA988 socket and exposes PCIe 2.0 (16 lanes). Rated TDP is 55 W.

The Intel Core i7-940XM scores 1,124 in single-core performance and 2,269 in multi-core performance (PassMark CPU Mark ratings). From those two ratings Feex computes 1,597 for overall performance, 3,048 for productivity performance, 3,271 for creator performance, 2,184 for engineering performance and 3,939 for gaming performance. Its multi-core throughput works out to 567 per core, 284 per thread and 41 per watt. Its computed efficiency index is 215. Its performance index is 20, so its overall performance is 80% below the Intel Core i5-12400 (index 100). Each bar shows the score as a share of a reference ceiling, which is the larger of the 99th-percentile score across the Feex CPU database and a fixed baseline.

Scores for individual PassMark CPU Mark test categories. Higher is better. These are measured test scores, not computed from the single-core and multi-core ratings.

In the individual workload tests the Intel Core i7-940XM scores 11,985 in integer math, 5,291 in floating-point math, 47,024 in compression, 415 in cryptography, 323 in physics simulation, 1,417 in vector SIMD, 21 in the prime sieve and 6,318 in sorting. Higher is better. Compared with the Intel Core i5-12400, it is 80% below in integer math, 88% below in floating-point math, 79% below in compression, 96% below in cryptography, 70% below in physics simulation, 91% below in vector SIMD, 69% below in the prime sieve and 72% below in sorting. Each bar shows the score as a share of that workload's reference ceiling, the larger of the 99th-percentile score across CPUs with a recorded value and a fixed baseline.

The Intel Core i7-940XM has 4 physical cores and runs 8 logical threads. It does not use a hybrid performance and efficiency core layout. It runs 2 threads per core. It runs at a base clock of 2.13 GHz and boosts up to 3.33 GHz.

The Intel Core i7-940XM is a laptop processor, belongs to the Intel Core i7 family and is manufactured on a 45 nm process. It launched in Jun 2010.

The Intel Core i7-940XM has 256 KB of L1 cache, 1 MB of L2 cache and 8 MB of L3 cache. That adds up to about 9.3 MB of cache, or 2.31 MB per core. Each core has 256 KB of private L2 cache.

The Intel Core i7-940XM has a 3-level cache hierarchy: L1 at 256 KB, L2 at 1 MB and L3 at 8 MB. L3 is the largest level and makes up about 86% of the cache listed here.

The Intel Core i7-940XM supports DDR3 memory, uses 2 memory channels, runs memory at up to 1,333 MT/s and delivers up to 21.3 GB/s of memory bandwidth. It does not support DDR5, DDR4 and LPDDR memory.

The Intel Core i7-940XM does not include integrated graphics, so a discrete graphics card is required for display output.

The Intel Core i7-940XM uses the FCPGA988 socket, supports PCI Express 2.0 and provides up to 16 PCIe lanes.

The Intel Core i7-940XM has a rated TDP of 55 W.

Instruction sets, security, virtualization, AI acceleration and OS readiness. Features are listed as supported, explicitly not supported, or not recorded; a feature that is not recorded is not the same as unsupported.

Feex has recorded 56% of the specifications it tracks for the Intel Core i7-940XM. Values Feex does not hold are shown as "Not recorded" rather than estimated.

Not recorded: Core Configuration: Efficiency Cores, All-Core Boost and Unlocked Multiplier. Architecture & Generation: Codename, ISA Family and Market Status. Cache: L4 Cache. Memory Support: ECC Memory. Platform & Compatibility: Package and Package Size. Power & Thermals: Base Power, Maximum Turbo Power, Configurable TDP (Min), Configurable TDP (Max), Max Junction Temperature and Tcase. Physical & Manufacturing: Transistor Count, Die Size, Die Count, Foundry and Launch Price. Naming & Aliases: SKU, Model Number, Processor Number and Part Number.

Processors that use the same FCPGA988 socket as the Intel Core i7-940XM and have the closest multi-core scores in the Feex database include Intel Core i5-3230M, Intel Core i3-3120M, Intel Pentium 2030M, Intel Pentium 2020M and Intel Celeron 1020M.