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AMD Athlon II X4 638 Quad- vs Phenom II X4 965

The AMD Athlon II X4 638 Quad-Core is newer than AMD Phenom II X4 965, while AMD Phenom II X4 965 is around 15% faster in multi-threaded (CPU Mark) testing, it is around 15% faster in single-thread testing. However, AMD Athlon II X4 638 Quad-Core uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 4858 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.

×AMD Athlon II X4 638 Quad-Core×AMD Phenom II X4 965+ ADD
Price Search Online $64.02 - BUY
Socket TypeFM1AM3
CPU ClassDesktopDesktop
Clockspeed2.7 GHz3.4 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 512KB, L2: 4.0MB, L1: 512KB, L2: 2.0MB, L3: 6MB
TDP65W125W
Yearly Running Cost$11.86$22.81
Other
First Seen on ChartQ2 2015Q3 2009
# of Samples64852
CPU Value35.841.3
Single Thread Rating(% diff. to max in group)1163(-14.8%)1365(0.0%)
CPU Mark(% diff. to max in group)2250(-15.0%)2646(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 21st of December 2024 - Higher results represent better performance
AMD Athlon II X4 638 Quad-Core
2,250
AMD Phenom II X4 965
2,646
PassMark Software © 2008-2024
CPU Value (CPU Mark / $Price)
As of 21st of December 2024 - Higher results represent better value
AMD Athlon II X4 638 Quad-Core
35.8
AMD Phenom II X4 965
41.3
PassMark Software © 2008-2024
CPU Single Thread Rating
As of 21st of December 2024 - Higher results represent better performance
AMD Athlon II X4 638 Quad-Core
1,163
AMD Phenom II X4 965
1,365
PassMark Software © 2008-2024
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.
AMD Athlon II X4 638 Quad-Core AMD Phenom II X4 965
Max TDP65W125W
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.