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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i7-640M vs i7-620M

The Intel Core i7-640M @ 2.80GHz is newer than Intel Core i7-620M @ 2.67GHz and is around 6% faster in multi-threaded (CPU Mark) testing. The Intel Core i7-640M @ 2.80GHz is around 7% 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 2296 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 i7-640M @ 2.80GHz×Intel Core i7-620M @ 2.67GHz+ ADD
Price Search Online Search Online
Socket TypeBGA1288BGA1288
CPU ClassLaptopLaptop
Clockspeed2.8 GHz2.7 GHz
Turbo SpeedUp to 3.5 GHzUp to 3.3 GHz
# of Physical Cores2 (Threads: 4)2 (Threads: 4)
CacheL1: 128KB, L2: 0.5MB, L3: 4MBL1: 128KB, L2: 0.5MB, L3: 4MB
TDP35W35W
Yearly Running Cost$6.39$6.39
Other
First Seen on ChartQ4 2010Q1 2010
# of Samples7811515
CPU Rank35033577
CPU Value14.811.6
Single Thread Rating(% diff. to max in group)1374(0.0%)1279(-6.9%)
CPU Mark(% diff. to max in group)2099(0.0%)1980(-5.7%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 25th of January 2026 - Higher results represent better performance
Intel Core i7-640M @ 2.80GHz
2,099
Intel Core i7-620M @ 2.67GHz
1,980
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 25th of January 2026 - Higher results represent better value
Intel Core i7-640M @ 2.80GHz
14.8
Intel Core i7-620M @ 2.67GHz
11.6
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 25th of January 2026 - Higher results represent better performance
Intel Core i7-640M @ 2.80GHz
1,374
Intel Core i7-620M @ 2.67GHz
1,279
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 i7-640M @ 2.80GHz Intel Core i7-620M @ 2.67GHz
Max TDP35W35W
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.