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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

AMD Ryzen 9 3900 vs Intel i7-12700K

The Intel Core i7-12700K is newer than AMD Ryzen 9 3900 also around 11% faster in multi-threaded (CPU Mark) testing, it is around 35% faster in single-thread testing. However, AMD Ryzen 9 3900 uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 7286 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.

×AMD Ryzen 9 3900×Intel Core i7-12700K+ ADD
Price Search Online Search Online
Socket TypeAM4FCLGA1700
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.6 GHz
Turbo SpeedUp to 4.3 GHzUp to 5.0 GHz
# of Physical Cores12 (Threads: 24)12 (Threads: 20)
CacheL1: 768KB, L2: 6.0MB, L3: 64MBL1: 1,024KB, L2: 12.0MB, L3: 25MB
TDP65W190W
Yearly Running Cost$11.86$34.68
OtherIntel UHD Graphics 770
First Seen on ChartQ4 2019Q4 2021
# of Samples4586828
CPU Value61.184.6
Single Thread Rating(% diff. to max in group)2625(-34.8%)4028(0.0%)
CPU Mark(% diff. to max in group)30804(-11.0%)34596(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 3rd of December 2024 - Higher results represent better performance
AMD Ryzen 9 3900
30,804
Intel Core i7-12700K
34,596
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 3rd of December 2024 - Higher results represent better value
AMD Ryzen 9 3900
61.1
Intel Core i7-12700K
84.6
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 3rd of December 2024 - Higher results represent better performance
AMD Ryzen 9 3900
2,625
Intel Core i7-12700K
4,028
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.
AMD Ryzen 9 3900 Intel Core i7-12700K
Max TDP65W190W
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.