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Intel i7-920XM vs i5-3427U

The Intel Core i5-3427U @ 1.80GHz is newer than Intel Core i7-920XM @ 2.00GHz also around 12% faster in multi-threaded (CPU Mark) testing, it is around 24% faster in single-thread testing. However, Intel Core i5-3427U @ 1.80GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 703 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 i7-920XM @ 2.00GHz×Intel Core i5-3427U @ 1.80GHz+ ADD
Price Search Online Search Online
Socket TypePGA988BBGA1023
CPU ClassLaptopLaptop
Clockspeed2.0 GHz1.8 GHz
Turbo SpeedUp to 3.2 GHzUp to 2.8 GHz
# of Physical Cores4 (Threads: 8)2 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 128KB, L2: 0.5MB, L3: 3MB
TDP55W17W
Yearly Running Cost$10.04$3.10
Other
First Seen on ChartQ4 2009Q2 2012
# of Samples211492
CPU Value4.95.3
Single Thread Rating(% diff. to max in group)1035(-23.7%)1355(0.0%)
CPU Mark(% diff. to max in group)1964(-12.3%)2241(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 1st of March 2025 - Higher results represent better performance
Intel Core i7-920XM @ 2.00GHz
1,964
Intel Core i5-3427U @ 1.80GHz
2,241
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 1st of March 2025 - Higher results represent better value
Intel Core i7-920XM @ 2.00GHz
4.9
Intel Core i5-3427U @ 1.80GHz
5.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 1st of March 2025 - Higher results represent better performance
Intel Core i7-920XM @ 2.00GHz
1,035
Intel Core i5-3427U @ 1.80GHz
1,355
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 i7-920XM @ 2.00GHz Intel Core i5-3427U @ 1.80GHz
Max TDP55W17W
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.