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AMD FX-8120 Eight- vs Intel i5-3450

The Intel Core i5-3450 @ 3.10GHz is newer than AMD FX-8120 Eight-Core, while the multi-threaded (CPU Mark) is simliar, Intel Core i5-3450 @ 3.10GHz is around 29% faster in single-thread testing. However, AMD FX-8120 Eight-Core uses around 48% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 4551 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 FX-8120 Eight-Core×Intel Core i5-3450 @ 3.10GHz+ ADD
Price Search Online $95 - BUY
Socket TypeAM3+LGA1155
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.1 GHz
Turbo SpeedUp to 4.0 GHzUp to 3.5 GHz
# of Physical Cores8 (in 4 physical modules)4 (Threads: 4)
CacheL1: 640KB, L2: 16.0MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 6MB
TDP125W77W
Yearly Running Cost$22.81$14.05
Other
First Seen on ChartQ4 2011Q2 2012
# of Samples25521999
CPU Value59.347.5
Single Thread Rating(% diff. to max in group)1330(-28.9%)1872(0.0%)
CPU Mark(% diff. to max in group)4629(0.0%)4508(-2.6%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 26th of February 2025 - Higher results represent better performance
AMD FX-8120 Eight-Core
4,629
Intel Core i5-3450 @ 3.10GHz
4,508
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 26th of February 2025 - Higher results represent better value
AMD FX-8120 Eight-Core
59.3
Intel Core i5-3450 @ 3.10GHz
47.5
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 26th of February 2025 - Higher results represent better performance
AMD FX-8120 Eight-Core
1,330
Intel Core i5-3450 @ 3.10GHz
1,872
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.
AMD FX-8120 Eight-Core Intel Core i5-3450 @ 3.10GHz
Max TDP125W77W
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.