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Over 1,000,000 CPUs benchmarked

Intel i7-2677M vs i3-3120M

The Intel Core i3-3120M @ 2.50GHz is newer than Intel Core i7-2677M @ 1.80GHz and is around -9% slower in multi-threaded (CPU Mark) testing. However the CPUs have comparable single-thread rating. Also, Intel Core i7-2677M @ 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 1625 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 i7-2677M @ 1.80GHz×Intel Core i3-3120M @ 2.50GHz+ ADD
Price Search Online $109.95 - BUY
Socket TypeBGA1023PGA988
CPU ClassLaptopLaptop
Clockspeed1.8 GHz2.5 GHz
Turbo SpeedUp to 2.9 GHzNot Supported
# of Physical Cores2 (Threads: 4)2 (Threads: 4)
CacheL1: 128KB, L2: 0.5MB, L3: 4MBL1: 128KB, L2: 0.5MB, L3: 3MB
TDP17W35W
Yearly Running Cost$3.10$6.39
Other
First Seen on ChartQ3 2011Q1 2012
# of Samples1781447
CPU Value0.015.5
Single Thread Rating(% diff. to max in group)1226(-3.7%)1272(0.0%)
CPU Mark(% diff. to max in group)1875(0.0%)1707(-8.9%)

CPU Mark Rating
As of 15th of November 2025 - Higher results represent better performance
Intel Core i7-2677M @ 1.80GHz
1,875
Intel Core i3-3120M @ 2.50GHz
1,707
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 15th of November 2025 - Higher results represent better value
Intel Core i7-2677M @ 1.80GHz
NA
Intel Core i3-3120M @ 2.50GHz
15.5
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 15th of November 2025 - Higher results represent better performance
Intel Core i7-2677M @ 1.80GHz
1,226
Intel Core i3-3120M @ 2.50GHz
1,272
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 i7-2677M @ 1.80GHz Intel Core i3-3120M @ 2.50GHz
Max TDP17W35W
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.