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CPU Benchmarks

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Intel Atom x5-Z8550 vs AMD A9-9400

The AMD A9-9400 is newer than Intel Atom x5-Z8550 @ 1.44GHz and is around 17% faster in multi-threaded (CPU Mark) testing. It is also significantly faster in single-thread testing. Also, Intel Atom x5-Z8550 @ 1.44GHz uses substantially less power. The CPUs selected in this comparison belong in different CPU Classes: Laptop, Mobile/Embedded. Consider, selecting CPUs from simliar CPU Class for more apt comparison. The values below were tabulated from a combined 156 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 Atom x5-Z8550 @ 1.44GHz×AMD A9-9400+ ADD
Price Search Online Search Online
Socket TypeUTFCBGA1380FP4
CPU ClassLaptop, Mobile/EmbeddedLaptop
Clockspeed1.4 GHz2.4 GHz
Turbo SpeedUp to 2.4 GHzUp to 3.2 GHz
# of Physical Cores4 (Threads: 4)2 (in 2 physical modules)
CacheL1: 224KB, L2: 2.0MB, L3: 0MBL1: 256KB, L2: 2.0MB,
TDP4W10W
Yearly Running Cost$0.73$1.83
OtherRADEON R5, 5 COMPUTE CORES 2C+3G
First Seen on ChartQ3 2016Q4 2016
# of Samples8571
CPU Value0.00.0
Single Thread Rating(% diff. to max in group)664(-44.6%)1199(0.0%)
CPU Mark(% diff. to max in group)1143(-14.2%)1332(0.0%)

CPU Mark Rating
As of 23rd of April 2025 - Higher results represent better performance
Intel Atom x5-Z8550 @ 1.44GHz
1,143
AMD A9-9400
1,332
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 23rd of April 2025 - Higher results represent better performance
Intel Atom x5-Z8550 @ 1.44GHz
664
AMD A9-9400
1,199
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 Atom x5-Z8550 @ 1.44GHz AMD A9-9400
Max TDP4W10W
Power consumption per day (kWh)NA0.02
Running cost per dayNA$0.005
Power consumption per year (kWh)NA7.3
Running cost per yearNA$1.82
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.