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Intel i7-640UM vs i5-480M

The Intel Core i5-480M @ 2.67GHz is newer than Intel Core i7-640UM @ 1.20GHz and is around 14% faster in multi-threaded (CPU Mark) testing. The Intel Core i5-480M @ 2.67GHz is around 36% faster in single-thread testing. Also, Intel Core i7-640UM @ 1.20GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 1980 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 i7-640UM @ 1.20GHz×Intel Core i5-480M @ 2.67GHz+ ADD
Price Search Online Search Online
Socket TypeBGA1288BGA1288
CPU ClassLaptopLaptop
Clockspeed1.2 GHz2.7 GHz
Turbo SpeedUp to 2.3 GHzUp to 2.9 GHz
# of Physical Cores2 (Threads: 4)2 (Threads: 4)
CacheL1: 128KB, L2: 0.5MB, L3: 4MBL1: 128KB, L2: 0.5MB, L3: 3MB
TDP18W35W
Yearly Running Cost$3.28$6.39
Other
First Seen on ChartQ2 2010Q4 2010
# of Samples591921
CPU Rank43004142
CPU Value0.016.5
Single Thread Rating(% diff. to max in group)841(-26.2%)1140(0.0%)
CPU Mark(% diff. to max in group)1168(-12.2%)1331(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 15th of March 2026 - Higher results represent better performance
Intel Core i7-640UM @ 1.20GHz
1,168
Intel Core i5-480M @ 2.67GHz
1,331
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 15th of March 2026 - Higher results represent better value
Intel Core i7-640UM @ 1.20GHz
NA
Intel Core i5-480M @ 2.67GHz
16.5
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 15th of March 2026 - Higher results represent better performance
Intel Core i7-640UM @ 1.20GHz
841
Intel Core i5-480M @ 2.67GHz
1,140
PassMark Software © 2008-2026
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 i7-640UM @ 1.20GHz Intel Core i5-480M @ 2.67GHz
Max TDP18W35W
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.