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Intel i7-3770 vs i7-3820

The Intel Core i7-3770 @ 3.40GHz is newer than Intel Core i7-3820 @ 3.60GHz also around 10% faster in multi-threaded (CPU Mark) testing, it is around 16% faster in single-thread testing. However, Intel Core i7-3770 @ 3.40GHz uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 21418 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 i7-3770 @ 3.40GHz×Intel Core i7-3820 @ 3.60GHz+ ADD
Price Search Online $349.88 - BUY
Socket TypeLGA1155LGA2011
CPU ClassDesktopDesktop
Clockspeed3.4 GHz3.6 GHz
Turbo SpeedUp to 3.9 GHzUp to 3.8 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 10MB
TDP77W130W
Yearly Running Cost$14.05$23.73
Other
First Seen on ChartQ1 2012Q1 2012
# of Samples182793139
CPU Value0.016.5
Single Thread Rating(% diff. to max in group)2074(0.0%)1744(-15.9%)
CPU Mark(% diff. to max in group)6415(0.0%)5778(-9.9%)

CPU Mark Rating
As of 31st of March 2025 - Higher results represent better performance
Intel Core i7-3770 @ 3.40GHz
6,415
Intel Core i7-3820 @ 3.60GHz
5,778
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 31st of March 2025 - Higher results represent better value
Intel Core i7-3770 @ 3.40GHz
NA
Intel Core i7-3820 @ 3.60GHz
16.5
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 31st of March 2025 - Higher results represent better performance
Intel Core i7-3770 @ 3.40GHz
2,074
Intel Core i7-3820 @ 3.60GHz
1,744
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 i7-3770 @ 3.40GHz Intel Core i7-3820 @ 3.60GHz
Max TDP77W130W
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.