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Intel Core2 Duo E4400 vs AMD Athlon Dual 4450B

The AMD Athlon Dual Core 4450B is newer than Intel Core2 Duo E4400 @ 2.00GHz and has comparable multi-threaded (CPU Mark) and single-thread rating. However, Intel Core2 Duo E4400 @ 2.00GHz uses around 36% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 539 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 Core2 Duo E4400 @ 2.00GHz×AMD Athlon Dual Core 4450B+ ADD
Price Search Online Search Online
Socket TypeLGA775AM2+
CPU ClassDesktopDesktop
Clockspeed2.0 GHz2.3 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 128KB, L2: 2.0MB, L3: 0MBL1: 256KB, L2: 1.0MB,
TDP65W45W
Yearly Running Cost$11.86$8.21
Other
First Seen on ChartQ4 2008Q1 2009
# of Samples45683
CPU Value35.922.9
Single Thread Rating(% diff. to max in group)7833(-1.2%)7923(0.0%)
CPU Mark(% diff. to max in group)718(0.0%)711(-1.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
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 22nd of January 2025 - Higher results represent better performance
Intel Core2 Duo E4400 @ 2.00GHz
718
AMD Athlon Dual Core 4450B
711
CPU Value (CPU Mark / $Price)
As of 22nd of January 2025 - Higher results represent better value
Intel Core2 Duo E4400 @ 2.00GHz
35.9
AMD Athlon Dual Core 4450B
22.9
CPU Single Thread Rating
As of 22nd of January 2025 - Higher results represent better performance
Intel Core2 Duo E4400 @ 2.00GHz
783
AMD Athlon Dual Core 4450B
792
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 Core2 Duo E4400 @ 2.00GHz AMD Athlon Dual Core 4450B
Max TDP65W45W
Power consumption per day (kWh)0.130.09
Running cost per day$0.033$0.022
Power consumption per year (kWh)47.532.9
Running cost per year$11.86$8.21
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.