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Intel i7-970 vs i7-3820

The Intel Core i7-3820 @ 3.60GHz is newer than Intel Core i7-970 @ 3.20GHz and is around -12% slower in multi-threaded (CPU Mark) testing. The Intel Core i7-3820 @ 3.60GHz is around 19% 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 3652 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 i7-970 @ 3.20GHz×Intel Core i7-3820 @ 3.60GHz+ ADD
Price Search Online Search Online
Socket TypeLGA1366LGA2011
CPU ClassDesktopDesktop
Clockspeed3.2 GHz3.6 GHz
Turbo SpeedUp to 3.5 GHzUp to 3.8 GHz
# of Physical Cores6 (Threads: 12)4 (Threads: 8)
CacheL1: 384KB, L2: 1.5MB, L3: 12MBL1: 256KB, L2: 1.0MB, L3: 10MB
TDP130W130W
Yearly Running Cost$23.73$23.73
Other
First Seen on ChartQ3 2010Q1 2012
# of Samples4113241
CPU Rank20392201
CPU Value12.516.5
Single Thread Rating(% diff. to max in group)1461(-16.0%)1740(0.0%)
CPU Mark(% diff. to max in group)6559(0.0%)5790(-11.7%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 10th of March 2026 - Higher results represent better performance
Intel Core i7-970 @ 3.20GHz
6,559
Intel Core i7-3820 @ 3.60GHz
5,790
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 10th of March 2026 - Higher results represent better value
Intel Core i7-970 @ 3.20GHz
12.5
Intel Core i7-3820 @ 3.60GHz
16.5
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 10th of March 2026 - Higher results represent better performance
Intel Core i7-970 @ 3.20GHz
1,461
Intel Core i7-3820 @ 3.60GHz
1,740
PassMark Software © 2008-2026
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 i7-970 @ 3.20GHz Intel Core i7-3820 @ 3.60GHz
Max TDP130W130W
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.