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Intel i3-390M vs AMD A6-3400M APU

The AMD A6-3400M APU is newer than Intel Core i3-390M @ 2.67GHz however both CPUs have comparable multi-threaded (CPU Mark) and single-thread rating. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 788 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 i3-390M @ 2.67GHz×AMD A6-3400M APU+ ADD
Price Search Online Search Online
Socket TypeBGA1288FS1
CPU ClassLaptopLaptop
Clockspeed2.7 GHz1.4 GHz
Turbo SpeedNot SupportedUp to 2.3 GHz
# of Physical Cores2 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 1.0MB, L3: 3MBL1: 512KB, L2: 4.0MB,
TDP35W35W
Yearly Running Cost$6.39$6.39
Other
First Seen on ChartQ1 2011Q2 2011
# of Samples108680
CPU Rank40914148
CPU Value33.250.3
Single Thread Rating(% diff. to max in group)1082(0.0%)703(-35.0%)
CPU Mark(% diff. to max in group)1292(0.0%)1230(-4.8%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 23rd of January 2026 - Higher results represent better performance
Intel Core i3-390M @ 2.67GHz
1,292
AMD A6-3400M APU
1,230
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 23rd of January 2026 - Higher results represent better value
Intel Core i3-390M @ 2.67GHz
33.2
AMD A6-3400M APU
50.3
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 23rd of January 2026 - Higher results represent better performance
Intel Core i3-390M @ 2.67GHz
1,082
AMD A6-3400M APU
703
PassMark Software © 2008-2026
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 i3-390M @ 2.67GHz AMD A6-3400M APU
Max TDP35W35W
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.