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CPU Benchmarks

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Intel i7-4771 vs i7-4820K

The Intel Core i7-4820K @ 3.70GHz is newer than Intel Core i7-4771 @ 3.50GHz, while Intel Core i7-4771 @ 3.50GHz is around 9% faster in multi-threaded (CPU Mark) testing, it is around 11% faster in single-thread testing. However, Intel Core i7-4820K @ 3.70GHz uses around 43% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 2561 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 i7-4771 @ 3.50GHz×Intel Core i7-4820K @ 3.70GHz+ ADD
Price Search Online Search Online
Socket TypeLGA1150FCLGA2011
CPU ClassDesktopDesktop
Clockspeed3.5 GHz3.7 GHz
Turbo SpeedUp to 3.9 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
TDP84W130W
Yearly Running Cost$15.33$23.73
Other
First Seen on ChartQ1 2013Q3 2013
# of Samples11301431
CPU Value46.232.5
Single Thread Rating(% diff. to max in group)2188(0.0%)1957(-10.5%)
CPU Mark(% diff. to max in group)7119(0.0%)6488(-8.9%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 26th of February 2025 - Higher results represent better performance
Intel Core i7-4771 @ 3.50GHz
7,119
Intel Core i7-4820K @ 3.70GHz
6,488
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 26th of February 2025 - Higher results represent better value
Intel Core i7-4771 @ 3.50GHz
46.2
Intel Core i7-4820K @ 3.70GHz
32.5
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 26th of February 2025 - Higher results represent better performance
Intel Core i7-4771 @ 3.50GHz
2,188
Intel Core i7-4820K @ 3.70GHz
1,957
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 i7-4771 @ 3.50GHz Intel Core i7-4820K @ 3.70GHz
Max TDP84W130W
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.