Intel® Core™ i7-3840QM

The Intel Core i7-3840QM is a laptop processor with 4 cores and 8 threads, built on the Ivy Bridge architecture (22 nm process). It launched in Sep 2012. Clocks run from 2.8 GHz base to 3.8 GHz boost. A 8-MB L3 cache backs the cores (2.3 MB per core). Rated TDP is 45 W.

The Intel Core i7-3840QM scores 1,909 in single-core performance and 5,825 in multi-core performance (PassMark CPU Mark ratings). From those two ratings Feex computes 3,335 for overall performance, 6,459 for productivity performance, 6,640 for creator performance, 5,607 for engineering performance and 7,183 for gaming performance. Its multi-core throughput works out to 1,456 per core, 728 per thread and 129 per watt. Its computed efficiency index is 497. Its performance index is 41, so its overall performance is 59% 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 i7-3840QM scores 20,643 in integer math, 10,523 in floating-point math, 93,737 in compression, 1,698 in cryptography, 459 in physics simulation, 3,883 in vector SIMD, 29 in the prime sieve and 12,631 in sorting. Higher is better. Compared with the Intel Core i5-12400, it is 65% below in integer math, 77% below in floating-point math, 59% below in compression, 85% below in cryptography, 58% below in physics simulation, 75% below in vector SIMD, 57% below in the prime sieve and 44% 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 i7-3840QM 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 2.80 GHz and boosts up to 3.80 GHz.

The Intel Core i7-3840QM is a laptop processor, belongs to the Intel Core i7 family, uses the Ivy Bridge architecture, carries the codename Ivy Bridge and is manufactured on a 22 nm process. It launched in Sep 2012.

The Intel Core i7-3840QM 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 i7-3840QM 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 i7-3840QM includes integrated graphics (HD 4000) and clocks the graphics up to 1.30 GHz.

The Intel Core i7-3840QM has a rated TDP of 45 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 50% of the specifications it tracks for the Intel Core i7-3840QM. 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: ISA Family and Market Status. Cache: L4 Cache. Memory Support: Max Memory, Memory Channels, Memory Bandwidth, Memory Types, DDR5 Support, DDR4 Support, LPDDR Support, ECC Memory and Max Memory Speed. Graphics: Execution Units, Display Outputs and Max Video Memory. Platform & Compatibility: Socket, Package, Package Size, PCIe Generation and PCIe Lanes. 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 close to the Intel Core i7-3840QM in the Feex database, matched by socket, family, segment, architecture, core count, TDP and benchmark scores, include Intel Core i7-2700K, Intel Core i7-13620H, Intel Core i7-13700H, Intel Core i7-13650HX and Intel Core i7-14700HX.