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AMD Athlon 64 X2 Dual- TK-42 vs Athlon Dual 4450e

The AMD Athlon 64 X2 Dual-Core TK-42 is newer than AMD Athlon Dual Core 4450e, while AMD Athlon Dual Core 4450e is around 19% faster in multi-threaded (CPU Mark) testing, it is around 33% faster in single-thread testing. However, AMD Athlon 64 X2 Dual-Core TK-42 uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 136 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 64 X2 Dual-Core TK-42×AMD Athlon Dual Core 4450e+ ADD
Price Search Online Search Online
Socket TypeNA2AM2
CPU ClassDesktopDesktop
Clockspeed1.6 GHz2.3 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 256KB, L2: 1.0MB, L1: 256KB, L2: 1.0MB,
TDP20W45W
Yearly Running Cost$3.65$8.21
Other
First Seen on ChartQ3 2009Q1 2009
# of Samples31105
CPU Value0.049.0
Single Thread Rating(% diff. to max in group)537(-33.0%)8023(0.0%)
CPU Mark(% diff. to max in group)577(-18.7%)710(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
2 - Information not available. Do you know? Notify Us.
3 - Single thread rating may be higher than the overall rating, thread performance is just one component of the CPU Mark.

CPU Mark Rating
As of 3rd of April 2025 - Higher results represent better performance
AMD Athlon 64 X2 Dual-Core TK-42
577
AMD Athlon Dual Core 4450e
710
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 3rd of April 2025 - Higher results represent better value
AMD Athlon 64 X2 Dual-Core TK-42
NA
AMD Athlon Dual Core 4450e
49.0
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 3rd of April 2025 - Higher results represent better performance
AMD Athlon 64 X2 Dual-Core TK-42
537
AMD Athlon Dual Core 4450e
802
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.
AMD Athlon 64 X2 Dual-Core TK-42 AMD Athlon Dual Core 4450e
Max TDP20W45W
Power consumption per day (kWh)0.040.09
Running cost per day$0.010$0.022
Power consumption per year (kWh)14.632.9
Running cost per year$3.65$8.21
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.