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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i7-3970X vs i7-8700T

The Intel Core i7-8700T @ 2.40GHz is newer than Intel Core i7-3970X @ 3.50GHz also around 17% faster in multi-threaded (CPU Mark) testing, it is around 20% faster in single-thread testing. However, Intel Core i7-8700T @ 2.40GHz uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 952 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 i7-3970X @ 3.50GHz×Intel Core i7-8700T @ 2.40GHz+ ADD
Price Search Online $199 - BUY
Socket TypeLGA2011FCLGA1151-2
CPU ClassDesktopDesktop
Clockspeed3.5 GHz2.4 GHz
Turbo SpeedUp to 4.0 GHzUp to 4.0 GHz
# of Physical Cores6 (Threads: 12)6 (Threads: 12)
CacheL1: 384KB, L2: 1.5MB, L3: 15MBL1: 384KB, L2: 1.5MB, L3: 12MB
TDP150W35W
Yearly Running Cost$27.38$6.39
OtherIntel UHD Graphics 630
First Seen on ChartQ1 2012Q1 2018
# of Samples351601
CPU Value34.951.3
Single Thread Rating(% diff. to max in group)1849(-19.8%)2307(0.0%)
CPU Mark(% diff. to max in group)8516(-16.6%)10206(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 8th of January 2025 - Higher results represent better performance
Intel Core i7-3970X @ 3.50GHz
8,516
Intel Core i7-8700T @ 2.40GHz
10,206
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 8th of January 2025 - Higher results represent better value
Intel Core i7-3970X @ 3.50GHz
34.9
Intel Core i7-8700T @ 2.40GHz
51.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 8th of January 2025 - Higher results represent better performance
Intel Core i7-3970X @ 3.50GHz
1,849
Intel Core i7-8700T @ 2.40GHz
2,307
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 i7-3970X @ 3.50GHz Intel Core i7-8700T @ 2.40GHz
Max TDP150W35W
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.