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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i7-990X vs i7-4790K

The Intel Core i7-4790K @ 4.00GHz is newer than Intel Core i7-990X @ 3.47GHz also around 11% faster in multi-threaded (CPU Mark) testing, it is around 36% faster in single-thread testing. However, Intel Core i7-990X @ 3.47GHz uses around 39% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 23006 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 i7-990X @ 3.47GHz×Intel Core i7-4790K @ 4.00GHz+ ADD
Price $99.99 - BUY $86.99 - BUY
Socket TypeLGA1366LGA1150
CPU ClassDesktopDesktop
Clockspeed3.5 GHz4.0 GHz
Turbo SpeedUp to 3.7 GHzUp to 4.4 GHz
# of Physical Cores6 (Threads: 12)4 (Threads: 8)
CacheL1: 384KB, L2: 1.5MB, L3: 12MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP130W88W
Yearly Running Cost$23.73$16.06
Other
First Seen on ChartQ1 2011Q2 2014
# of Samples44722559
CPU Value71.692.7
Single Thread Rating(% diff. to max in group)1585(-35.7%)2466(0.0%)
CPU Mark(% diff. to max in group)7157(-11.3%)8066(0.0%)

CPU Mark Rating
As of 3rd of December 2024 - Higher results represent better performance
Intel Core i7-990X @ 3.47GHz
7,157
Intel Core i7-4790K @ 4.00GHz
8,066
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 3rd of December 2024 - Higher results represent better value
Intel Core i7-990X @ 3.47GHz
71.6
Intel Core i7-4790K @ 4.00GHz
92.7
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 3rd of December 2024 - Higher results represent better performance
Intel Core i7-990X @ 3.47GHz
1,585
Intel Core i7-4790K @ 4.00GHz
2,466
PassMark Software © 2008-2024
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 i7-990X @ 3.47GHz Intel Core i7-4790K @ 4.00GHz
Max TDP130W88W
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.