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CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel i3-3240 vs AMD Phenom II X4 840

The Intel Core i3-3240 @ 3.40GHz is newer than AMD Phenom II X4 840 is around 37% faster in single-thread testing. Also, Intel Core i3-3240 @ 3.40GHz uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 2657 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 i3-3240 @ 3.40GHz×AMD Phenom II X4 840+ ADD
Price $41 - BUY $54.04 - BUY
Socket TypeLGA1155AM2+/AM3
CPU ClassDesktopDesktop
Clockspeed3.4 GHz3.2 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 4)4 (Threads: 4)
CacheL1: 128KB, L2: 0.5MB, L3: 3MBL1: 512KB, L2: 2.0MB,
TDP55W95W
Yearly Running Cost$10.04$17.34
Other
First Seen on ChartQ1 2012Q1 2011
# of Samples1931726
CPU Value57.144.9
Single Thread Rating(% diff. to max in group)1781(0.0%)1299(-27.1%)
CPU Mark(% diff. to max in group)2342(-3.4%)2425(0.0%)

CPU Mark Rating
As of 24th of April 2025 - Higher results represent better performance
Intel Core i3-3240 @ 3.40GHz
2,342
AMD Phenom II X4 840
2,425
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 24th of April 2025 - Higher results represent better value
Intel Core i3-3240 @ 3.40GHz
57.1
AMD Phenom II X4 840
44.9
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 24th of April 2025 - Higher results represent better performance
Intel Core i3-3240 @ 3.40GHz
1,781
AMD Phenom II X4 840
1,299
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 i3-3240 @ 3.40GHz AMD Phenom II X4 840
Max TDP55W95W
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.