Intel Core i7-3840QM Benchmark, Test and specs

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CPU lineage

The Intel Core i7-3840QM features 4 processor cores and has the capability to manage 8 threads concurrently. It was released in Q3/2012 and belongs to the 3 generation of the Intel Core i7 Extreme Edition series. To use the Intel Core i7-3840QM, you'll need a motherboard with a PGA 988 socket.
Name: Intel Core i7-3840QM
Family: Intel Core i7 Extreme Edition
Group: Intel Core i 3000M
Segment: Mobile
Generation: 3

CPU Cores and Base Frequency

The Intel Core i7-3840QM has 4 CPU cores and can calculate 8 threads in parallel. The clock frequency of the Intel Core i7-3840QM is 2.8 GHz and turbo frequency for one core is 3.8 GHz.
CPU Cores: 4
Threads: 8
Cores: 4x
Core architecture: normal
Hyperthreading: Yes
Overclocking: Yes
Frequency: 2.8 GHz
Turbo Frequency (1 core): 3.8 GHz

Internal Graphics

The Intel Core i7-3840QM has integrated graphics, called iGPU for short. Specifically, the Intel Core i7-3840QM uses the Intel HD Graphics 4000, which has 128 texture shaders and 16 execution units. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
GPU name: Intel HD Graphics 4000
GPU frequency: 0.65 GHz
GPU (Turbo): 1.3 GHz
Execution units: 16
Shaders: 128
Max. GPU Memory: 2.0 GB
Max. displays: --
Generation: 7
Direct X: 11.0
Technology: 22 nm
Release date: Q1/2011

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
h265 / HEVC (8 bit): No
h265 / HEVC (10 bit): No
h264: Decode / Encode
VP8: No
VP9: No
AV1: No
AVC: Decode / Encode
VC-1: Decode
JPEG: Decode

Memory & PCIe

The processor supports a maximum memory capacity of 32.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 25.6 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
Memory type: DDR3L-1600, DDR3L-1333, DDR3-1333, DDR3-1600
Max. Memory: 32.0 GB
Memory channels: 2
Bandwidth: 25.6 GB/s
ECC: No
PCIe: pci
AES-NI: Yes

Thermal Management

The processor has a thermal design power (TDP) of 45 W watts. TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
TDP (PL1 / PBP): 45 W
TDP (PL2): None
TDP up: None
TDP down: None
Tjunction max: 105 °C

Technical details

The Intel Core i7-3840QM is manufactured using a 22 nm process. A smaller manufacturing process indicates a more contemporary and energy-efficient CPU. In total, this processor boasts a generous 8.0 MB cache. A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
Technology: 22 nm
Chip design: Monolithic
Socket: PGA 988
L2-Cache: 0 bytes
L3-Cache: 8.0 MB
Architecture: Ivy Bridge H
Operating systems: Windows 10, Linux
Virtualization: VT-x, VT-x EPT
Instruction set (ISA): x86-64 (64 bit)
ISA extensions: SSE4.1, SSE4.2, AVX
Release date: Q3/2012
Release price: 568 $
Part Number: --
Documents: Technical data sheet
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Benchmarks

Estimated results for PassMark CPU Mark

Intel Core i5-7600T
4C 4T @ 2.8 GHz
5924
5924
Intel Core i7-5750HQ
4C 8T @ 2.5 GHz
5915
5915
Intel Core i7-3840QM
4C 8T @ 2.8 GHz
5911
5911
Intel Xeon D-1521
4C 8T @ 2.4 GHz
5894
5894
Intel Core i3-8300T
4C 4T @ 3.2 GHz
5880
5880

Geekbench 5, 64bit (Multi-Core)

AMD Ryzen 3 2300X
4C 4T @ 3.5 GHz
3097
3097
Intel Core i5-7500
4C 4T @ 3.4 GHz
3091
3091
Intel Core i7-3840QM
4C 8T @ 2.8 GHz
3089
3089
Intel Core i5-7600T
4C 4T @ 2.8 GHz
3084
3084
Qualcomm Snapdragon Microsoft SQ2
NoneC NoneT @ --
3053
3053

Geekbench 6 (Multi-Core)

Intel Core i7-980
6C 12T @ 3.33 GHz
2714
2714
Intel Core i3-7320
2C 4T @ 4.1 GHz
2677
2677
Intel Core i7-3840QM
4C 8T @ 2.8 GHz
2588
2588
AMD Ryzen 3 3300U
4C 4T @ 2.1 GHz
2567
2567
Intel Core i5-7287U
2C 4T @ 3.3 GHz
2539
2539

CPU-Z Benchmark 17 (Multi-Core)

Intel Core i7-5700HQ
4C 8T @ 2.7 GHz
1729
1729
Intel Core i7-2700K
4C 8T @ 3.5 GHz
1723
1723
Intel Core i7-3840QM
4C 8T @ 2.8 GHz
1699
1699
AMD Ryzen 5 PRO 2500U
4C 8T @ 2.0 GHz
1675
1675
Intel Core i7-3720QM
4C 8T @ 2.6 GHz
1672
1672

Geekbench 5, 64bit (Single-Core)

Intel Xeon D-2183IT
16C 32T @ 2.2 GHz
793
793
Qualcomm Snapdragon Microsoft SQ2
NoneC NoneT @ --
793
793
Intel Core i7-3840QM
4C 8T @ 2.8 GHz
793
793
Qualcomm Snapdragon Microsoft SQ2
NoneC NoneT @ --
793
793
Intel Xeon D-2183IT
16C 32T @ 2.2 GHz
793
793

Geekbench 6 (Single-Core)

Intel Xeon E5-2696 v2
12C 24T @ 2.5 GHz
689
689
AMD EPYC 7301
16C 32T @ 2.2 GHz
687
687
Intel Core i7-3840QM
4C 8T @ 2.8 GHz
686
686
Intel Core i5-4302Y
2C 4T @ 1.6 GHz
676
676
Intel Xeon E5-2670 v2
10C 20T @ 2.5 GHz
672
672

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel Pentium Gold G7400
2C 4T @ 3.7 GHz
345
345
UNISOC T760
NoneC NoneT @ --
333
333
Intel Core i7-3840QM
4C 8T @ 2.8 GHz
333
333
UNISOC T760
NoneC NoneT @ --
333
333
Intel Celeron G6900
2C 2T @ 3.4 GHz
332
332