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Intel i5-3450 vs AMD FX-8120 Eight-

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 4578 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 i5-3450 @ 3.10GHz×AMD FX-8120 Eight-Core+ ADD
Price Search Online $78.02 - BUY
Socket TypeLGA1155AM3+
CPU ClassDesktopDesktop
Clockspeed3.1 GHz3.1 GHz
Turbo SpeedUp to 3.5 GHzUp to 4.0 GHz
# of Physical Cores4 (Threads: 4)8 (in 4 physical modules)
CacheL1: 256KB, L2: 1.0MB, L3: 6MBL1: 640KB, L2: 16.0MB, L3: 8MB
TDP77W125W
Yearly Running Cost$14.05$22.81
Other
First Seen on ChartQ2 2012Q4 2011
# of Samples20182560
CPU Value47.559.3
Single Thread Rating(% diff. to max in group)1873(0.0%)1330(-29.0%)
CPU Mark(% diff. to max in group)4515(-2.5%)4629(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 7th of April 2025 - Higher results represent better performance
Intel Core i5-3450 @ 3.10GHz
4,515
AMD FX-8120 Eight-Core
4,629
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 7th of April 2025 - Higher results represent better value
Intel Core i5-3450 @ 3.10GHz
47.5
AMD FX-8120 Eight-Core
59.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 7th of April 2025 - Higher results represent better performance
Intel Core i5-3450 @ 3.10GHz
1,873
AMD FX-8120 Eight-Core
1,330
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 i5-3450 @ 3.10GHz AMD FX-8120 Eight-Core
Max TDP77W125W
Power consumption per day (kWh)0.150.25
Running cost per day$0.038$0.063
Power consumption per year (kWh)56.291.3
Running cost per year$14.05$22.81
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.