Average Bench: 55.8% (566th of 1271)

Based on 943 user benchmarks.  Device: BFEBFBFF000106E5 Model: Intel(R) Core(TM) i7 CPU Q 840 @ 1.87GHz
Poor: 38%Average: 55.8% Great: 62%
Gaming
Gaming 56%
Gunboat
Desktop
Desktop 60%
Destroyer
Workstation
Workstation 40%
Jet ski

Average average bench

The Intel Core i7 Q 840 averaged 44.1% 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.

Strengths

Avg. Memory Latency 85.6Pts
Avg. Single Core Mixed Speed 58Pts

Good consistency

The range of scores (95th - 5th percentile) for the Intel Core i7 Q 840 is 24%. This is a relatively narrow range which indicates that the Intel Core i7 Q 840 performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Multi Core Mixed Speed 205Pts
Avg. Octa Core Mixed Speed 201Pts
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Average Bench

(Based on 943 samples)
Min Avg Max
61.9 Memory 85.6 93.3
24.8 1-Core 58 75.2
42.5 2-Core 98.4 134
53.7% 80.7 Pts
Min Avg Max
70.9 4-Core 146 184
107 8-Core 201 238
22.5% 173 Pts
Min Avg Max
104 64-Core 205 241
13.7% 205 Pts
User Benchmarks Bench Normal Heavy Server
The fastest CPU (mainstream) averages a speed of 100%
CPU 1, 1 CPU, 4 cores, 8 threads
Base clock 1.85 GHz
Memory 92.3
1-Core 74.9
2-Core 111
61% 92.6 Pts
4-Core 173
8-Core 230
26% 201 Pts
64-Core 229
15% 229 Pts
CPU 1, 1 CPU, 4 cores, 8 threads
Base clock 1.85 GHz, turbo 1.9 GHz (avg)
Memory 91.2
1-Core 54.5
2-Core 87.9
54% 77.9 Pts
4-Core 148
8-Core 200
23% 174 Pts
64-Core 203
14% 203 Pts
Microprocessor, 1 CPU, 4 cores, 8 threads
Base clock 1.85 GHz
Memory 84.7
1-Core 45.7
2-Core 84
49% 71.5 Pts
4-Core 135
8-Core 227
23% 181 Pts
64-Core 228
15% 228 Pts
N/A, 1 CPU, 2 cores, 4 threads
Base clock 1.85 GHz, turbo 1.2 GHz (avg)
Memory 68.3
1-Core 28.6
2-Core 57.1
36% 51.3 Pts
4-Core 73.7
8-Core 73.9
10% 73.8 Pts
64-Core 73.4
5% 73.4 Pts
N/A, 1 CPU, 2 cores, 4 threads
Base clock 1.85 GHz, turbo 1.2 GHz (avg)
Memory 67.8
1-Core 28.6
2-Core 53.7
36% 50 Pts
4-Core 74
8-Core 74.3
10% 74.2 Pts
64-Core 74.9
5% 74.9 Pts
CPU 1, 1 CPU, 4 cores, 8 threads
Base clock 1.85 GHz, turbo 1.2 GHz (avg)
Memory 64.1
1-Core 18.2
2-Core 39.4
30% 40.6 Pts
4-Core 62.4
8-Core 75.6
9% 69 Pts
64-Core 97
6% 97 Pts
CPU 1, 1 CPU, 4 cores, 8 threads
Base clock 1.85 GHz, turbo 1.2 GHz (avg)
Memory 60.8
1-Core 16.1
2-Core 38.3
28% 38.4 Pts
4-Core 51.8
8-Core 64.5
8% 58.2 Pts
64-Core 100
7% 100 Pts
943 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 34,398,277 CPUs tested.

 Prices

AmazonUS $28011 months
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Typical Core i7 Q 840 Builds (Compare 293 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 5%
Tree trunk
Desktop
Desktop 52%
Yacht
Workstation
Workstation 5%
Tree trunk

System: HP EliteBook 8540w

EDIT WITH CUSTOM PC BUILDER Value: 56% - Above average Total price: $280

Popular Core i7 Q 840 systems:

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

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

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How it works

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.
Processor Rankings (Price vs Performance) October 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]

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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.

 Specifications

Essentials

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

Memory

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

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

 Comments

1271 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

The Best.
CPUGPUSSD
Intel Core i5-9600K $199Nvidia GTX 1660S (Super) $230Crucial MX500 250GB $45
Intel Core i5-9400F $140Nvidia RTX 3080 $700Samsung 850 Evo 120GB $78
Intel Core i5-10600K $260Nvidia GTX 1650S (Super) $170Samsung 860 Evo 250GB $50
HDDRAMUSB
Seagate Barracuda 1TB (2016) $43Corsair Vengeance LPX DDR4 3200 C16 2x8GB $63SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $39Corsair Vengeance LPX DDR4 3000 C15 2x8GB $69SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $548SanDisk Extreme 16GB $28
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