Average Bench: 31.4% (688th of 1206)

Based on 773 user benchmarks.  Device: BFEBFBFF000106E5 Model: Intel(R) Core(TM) i7 CPU Q 840 @ 1.87GHz
Poor: 14%Average: 31.4% Great: 40%
Gaming 31%
Sail boat
Desktop 35%
Sail boat
Workstation 19%

Poor average bench

The Intel Core i7 Q 840 averaged 68.5% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.


Avg. Single Core Mixed Speed 57.5Pts
Avg. Dual Core Mixed Speed 97.6Pts

Good consistency

The range of scores (95th - 5th percentile) for the Intel Core i7 Q 840 is 25.7%. This is a relatively narrow range which indicates that the Intel Core i7 Q 840 performs reasonably consistently under varying real world conditions.


Avg. Multi Core Mixed Speed 206Pts
Avg. Octa Core Mixed Speed 202Pts

Average Bench

(Based on 773 samples)
Min Avg Max
22.2 1-Core 57.5 75.6
41.7 2-Core 97.6 134
37.5% 77.5 Pts
Min Avg Max
70.8 4-Core 146 182
94.9 8-Core 202 238
22.6% 174 Pts
Min Avg Max
99.9 64-Core 206 240
13.8% 206 Pts
User Benchmarks Bench Normal Heavy Extreme
The fastest CPU (mainstream) averages a speed of 100%
U2E1, 1 CPU, 4 cores, 8 threads
Base clock 1.85 GHz, turbo 2.05 GHz (avg)
1-Core 72.4
2-Core 128
48% 100 Pts
4-Core 169
8-Core 228
26% 198 Pts
64-Core 227
15% 227 Pts
U2E1, 1 CPU, 4 cores, 8 threads
Base clock 1.85 GHz, turbo 1.9 GHz (avg)
1-Core 52.3
2-Core 70.5
31% 61.4 Pts
4-Core 134
8-Core 158
20% 146 Pts
64-Core 152
10% 152 Pts
U2E1, 1 CPU, 1 cores, 1 threads
Base clock 1.85 GHz, turbo 3.2 GHz (avg)
1-Core 72.4
2-Core 70.8
38% 71.6 Pts
4-Core 70.9
8-Core 72.5
10% 71.7 Pts
64-Core 73.4
5% 73.4 Pts
Microprocessor, 1 CPU, 4 cores, 8 threads
Base clock 1.85 GHz
1-Core 25.5
2-Core 81.8
23% 53.7 Pts
4-Core 155
8-Core 204
24% 179 Pts
64-Core 225
15% 225 Pts
CPU 1, 1 CPU, 4 cores, 8 threads
Base clock 1.85 GHz, turbo 1.2 GHz (avg)
1-Core 28.7
2-Core 56.5
20% 42.6 Pts
4-Core 114
8-Core 147
17% 131 Pts
64-Core 147
10% 147 Pts
773 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 23,933,961 CPUs tested.


AmazonUS $2802 months
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Typical Core i7 Q 840 Builds (Compare 1,173 builds) See popular component choices, score breakdowns and rankings.
Gaming 12%
Tree trunk
Desktop 37%
Jet ski
Workstation 22%

System: HP EliteBook 8540w

EDIT WITH CUSTOM PC BUILDER Value: 29% - Poor Total price: $340

Popular Core i7 Q 840 systems:

How Fast Is Your CPU? (Bench your build) Size up your PC in less than a minute.

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Processor Rankings (Price vs Performance) January 2020 CPU Rankings.

We calculate effective speed which measures real world performance for typical users. Effective speed is adjusted by current prices to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top CPUs. [CPUPro]


Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.



DescriptionIntel® Core™ i7-840QM Processor (8M Cache, 1.86 GHz)
Code NameClarksfield
Launch DateQ3'10
Processor Numberi7-840QM
# of Cores4
# of Threads8
Cache8 MB SmartCache
Instruction Set64-bit
Instruction Set ExtensionsSSE4.2
Embedded Options AvailableNo
Lithography45 nm
Recommended Price$570.00
Clock Speed1.86 GHz
Max Turbo Frequency3.2 GHz
Bus Speed2.5 GT/s DMI
Max TDP45 W


Max Memory Size8 GB
Memory TypesDDR3 1066/1333
Memory Channels2
Memory Bandwidth21 GB/s
Physical Address Extensions36-bit
ECC Memory SupportedNo

Expansion Options

PCI Express Revision2
PCI Express Configurations1x16, 2x8
Max # of PCI Express Lanes16

Data Protection

AES New InstructionsNo

Advanced Technologies

Virtualization Tech (VT-x)Yes
Intel 64Yes
Idle StatesYes
Enhanced Intel SpeedStep® TechYes
Thermal Monitoring TechnologiesYes
Turbo Boost Tech1.0
Hyper-Threading TechYes
Virtualization for Directed I/O (VT-d)Yes
VT-x with Extended Page Tables (EPT)Yes
vPro TechYes


Package Size37.5mm x 37.5mm
Max CPU Configuration1
Sockets SupportedPGA988
Processing Die Size296 mm2
# of Processing Die Transistors774 million

Platform Protection

Execute Disable BitYes
Trusted Execution TechYes


1206 Processors (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different CPUs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

 Best User Rated

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Intel Core i7-9700K $356Nvidia RTX 2060 $349Samsung 850 Pro 512GB $224
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