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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i7-840QM vs i7-720QM

The Intel Core i7-840QM @ 1.87GHz is newer than Intel Core i7-720QM @ 1.60GHz and is around 18% faster in multi-threaded (CPU Mark) testing. The Intel Core i7-840QM @ 1.87GHz is around 24% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 3169 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×Intel Core i7-840QM @ 1.87GHz×Intel Core i7-720QM @ 1.60GHz+ ADD
Price Search Online Search Online
Socket TypePGA988APGA988A
CPU ClassLaptopLaptop
Clockspeed1.9 GHz1.6 GHz
Turbo SpeedUp to 3.2 GHzUp to 2.8 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 6MB
TDP45W45W
Yearly Running Cost$8.21$8.21
Other
First Seen on ChartQ3 2010Q4 2009
# of Samples2422927
CPU Value23.25.5
Single Thread Rating(% diff. to max in group)1149(0.0%)925(-19.5%)
CPU Mark(% diff. to max in group)1970(0.0%)1662(-15.6%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 16th of June 2025 - Higher results represent better performance
Intel Core i7-840QM @ 1.87GHz
1,970
Intel Core i7-720QM @ 1.60GHz
1,662
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 16th of June 2025 - Higher results represent better value
Intel Core i7-840QM @ 1.87GHz
23.2
Intel Core i7-720QM @ 1.60GHz
5.5
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 16th of June 2025 - Higher results represent better performance
Intel Core i7-840QM @ 1.87GHz
1,149
Intel Core i7-720QM @ 1.60GHz
925
PassMark Software © 2008-2025
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
Intel Core i7-840QM @ 1.87GHz Intel Core i7-720QM @ 1.60GHz
Max TDP45W45W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.