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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i7-3960X vs i7-990X

The Intel Core i7-3960X @ 3.30GHz is newer than Intel Core i7-990X @ 3.47GHz also around 16% faster in multi-threaded (CPU Mark) testing, it is around 12% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 1147 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 i7-3960X @ 3.30GHz×Intel Core i7-990X @ 3.47GHz+ ADD
Price Search Online $178.02 - BUY
Socket TypeLGA2011LGA1366
CPU ClassDesktopDesktop
Clockspeed3.3 GHz3.5 GHz
Turbo SpeedUp to 3.9 GHzUp to 3.7 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
CacheL1: 384KB, L2: 1.5MB, L3: 15MBL1: 384KB, L2: 1.5MB, L3: 12MB
TDP130W130W
Yearly Running Cost$23.73$23.73
Other
First Seen on ChartQ4 2011Q1 2011
# of Samples686461
CPU Value30.740.0
Single Thread Rating(% diff. to max in group)1788(0.0%)1574(-12.0%)
CPU Mark(% diff. to max in group)8425(0.0%)7119(-15.5%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 31st of March 2025 - Higher results represent better performance
Intel Core i7-3960X @ 3.30GHz
8,425
Intel Core i7-990X @ 3.47GHz
7,119
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 31st of March 2025 - Higher results represent better value
Intel Core i7-3960X @ 3.30GHz
30.7
Intel Core i7-990X @ 3.47GHz
40.0
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 31st of March 2025 - Higher results represent better performance
Intel Core i7-3960X @ 3.30GHz
1,788
Intel Core i7-990X @ 3.47GHz
1,574
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 i7-3960X @ 3.30GHz Intel Core i7-990X @ 3.47GHz
Max TDP130W130W
Power consumption per day (kWh)0.260.26
Running cost per day$0.065$0.065
Power consumption per year (kWh)94.994.9
Running cost per year$23.73$23.73
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.