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Intel Core2 Extreme X6800 vs Core2 Duo E7400

The Intel Core2 Extreme X6800 @ 2.93GHz is newer than Intel Core2 Duo E7400 @ 2.80GHz and has comparable multi-threaded (CPU Mark) and single-thread rating. However, Intel Core2 Extreme X6800 @ 2.93GHz uses around 14% more power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 1449 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 Extreme X6800 @ 2.93GHz×Intel Core2 Duo E7400 @ 2.80GHz+ ADD
Price Search Online Search Online
Socket TypePLGA775LGA775
CPU ClassDesktopDesktop
Clockspeed2.9 GHz2.8 GHz
Turbo SpeedNot SupportedNot Supported
# of Physical Cores2 (Threads: 2)2 (Threads: 2)
CacheL1: 128KB, L2: 4.0MB, L3: 0MBL1: 128KB, L2: 3.0MB, L3: 0MB
TDP75W65W
Yearly Running Cost$13.69$11.86
Other
First Seen on ChartQ4 2008Q4 2008
# of Samples1221327
CPU Value4.221.4
Single Thread Rating(% diff. to max in group)11073(-0.9%)11173(0.0%)
CPU Mark(% diff. to max in group)1095(0.0%)1047(-4.4%)
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 8th of January 2025 - Higher results represent better performance
Intel Core2 Extreme X6800 @ 2.93GHz
1,095
Intel Core2 Duo E7400 @ 2.80GHz
1,047
CPU Value (CPU Mark / $Price)
As of 8th of January 2025 - Higher results represent better value
Intel Core2 Extreme X6800 @ 2.93GHz
4.2
Intel Core2 Duo E7400 @ 2.80GHz
21.4
CPU Single Thread Rating
As of 8th of January 2025 - Higher results represent better performance
Intel Core2 Extreme X6800 @ 2.93GHz
1,107
Intel Core2 Duo E7400 @ 2.80GHz
1,117
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 Extreme X6800 @ 2.93GHz Intel Core2 Duo E7400 @ 2.80GHz
Max TDP75W65W
Power consumption per day (kWh)0.150.13
Running cost per day$0.037$0.033
Power consumption per year (kWh)54.847.5
Running cost per year$13.69$11.86
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.