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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i7-2600K vs i7-4820K

The Intel Core i7-4820K @ 3.70GHz is newer than Intel Core i7-2600K @ 3.40GHz and is around 18% faster in multi-threaded (CPU Mark) testing. The Intel Core i7-4820K @ 3.70GHz is around 12% faster in single-thread testing. Also, Intel Core i7-4820K @ 3.70GHz uses around 31% more power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 9363 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 i7-2600K @ 3.40GHz×Intel Core i7-4820K @ 3.70GHz+ ADD
Price Search Online Search Online
Socket TypeLGA1155FCLGA2011
CPU ClassDesktopDesktop
Clockspeed3.4 GHz3.7 GHz
Turbo SpeedUp to 3.8 GHzUp to 3.9 GHz
# of Physical Cores4 (Threads: 8)4 (Threads: 8)
CacheL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 10MB
TDP95W130W
Yearly Running Cost$17.34$23.73
Other
First Seen on ChartQ4 2010Q3 2013
# of Samples79201443
CPU Value0.032.5
Single Thread Rating(% diff. to max in group)1742(-11.1%)1958(0.0%)
CPU Mark(% diff. to max in group)5481(-15.6%)6495(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 28th of April 2025 - Higher results represent better performance
Intel Core i7-2600K @ 3.40GHz
5,481
Intel Core i7-4820K @ 3.70GHz
6,495
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 28th of April 2025 - Higher results represent better value
Intel Core i7-2600K @ 3.40GHz
NA
Intel Core i7-4820K @ 3.70GHz
32.5
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 28th of April 2025 - Higher results represent better performance
Intel Core i7-2600K @ 3.40GHz
1,742
Intel Core i7-4820K @ 3.70GHz
1,958
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 i7-2600K @ 3.40GHz Intel Core i7-4820K @ 3.70GHz
Max TDP95W130W
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.