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Intel Atom x5-Z8500 vs AMD Phenom II P920 Quad-

The Intel Atom x5-Z8500 @ 1.44GHz is newer than AMD Phenom II P920 Quad-Core also around 19% faster in multi-threaded (CPU Mark) testing, it is around 5% faster in single-thread testing. However, Intel Atom x5-Z8500 @ 1.44GHz uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 274 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-Z8500 @ 1.44GHz×AMD Phenom II P920 Quad-Core+ ADD
Price Search Online Search Online
Socket TypeUTFCBGA1380S1
CPU ClassLaptopLaptop
Clockspeed1.4 GHz1.6 GHz
Turbo SpeedUp to 2.2 GHzNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 224KB, L2: 2.0MB, L3: 0MBL1: 512KB, L2: 2.0MB,
TDP4W25W
Yearly Running Cost$0.73$4.56
Other
First Seen on ChartQ3 2015Q3 2010
# of Samples22549
CPU Value19.715.5
Single Thread Rating(% diff. to max in group)631(0.0%)597(-5.4%)
CPU Mark(% diff. to max in group)1236(0.0%)1006(-18.6%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 12th of March 2025 - Higher results represent better performance
Intel Atom x5-Z8500 @ 1.44GHz
1,236
AMD Phenom II P920 Quad-Core
1,006
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 12th of March 2025 - Higher results represent better value
Intel Atom x5-Z8500 @ 1.44GHz
19.7
AMD Phenom II P920 Quad-Core
15.5
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 12th of March 2025 - Higher results represent better performance
Intel Atom x5-Z8500 @ 1.44GHz
631
AMD Phenom II P920 Quad-Core
597
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-Z8500 @ 1.44GHz AMD Phenom II P920 Quad-Core
Max TDP4W25W
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.