iconcharts
0

CPU Benchmarks

Over 1,000,000 CPUs benchmarked

Intel Core2 Duo E8400 @ 3.00GHz vs Intel Xeon W3520 @ 2.67GHz vs Intel Core i7-3820QM @ 2.70GHz

The values for the CPUs below are determined from thousands of PerformanceTest benchmark results and are updated daily.

  • 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 E8400 @ 3.00GHz×Intel Xeon W3520 @ 2.67GHz×Intel Core i7-3820QM @ 2.70GHz+ ADD
Price Search Online Search Online Search Online
Socket TypeLGA775LGA1366BGA1224
CPU ClassDesktopServerLaptop
Clockspeed3.0 GHz2.7 GHz2.7 GHz
Turbo SpeedNot SupportedUp to 2.9 GHzUp to 3.7 GHz
# of Physical Cores2 (Threads: 2)4 (Threads: 8)4 (Threads: 8)
CacheL1: 128KB, L2: 6.0MB, L3: 0MBL1: 256KB, L2: 1.0MB, L3: 8MBL1: 256KB, L2: 1.0MB,
TDP65W130W45W
Yearly Running Cost$11.86$23.73$8.21
Other
First Seen on ChartQ4 2008Q1 2009Q2 2012
# of Samples7119493503
CPU Value15.449.310.4
Single Thread Rating(% diff. to max in group)12363(-34.5%)1272(-32.6%)1888(0.0%)
CPU Mark(% diff. to max in group)1187(-79.2%)2912(-49.0%)5707(0.0%)
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 27th of June 2023 - Higher results represent better performance
Intel Core2 Duo E8400 @ 3.00GHz
1,187
Intel Xeon W3520 @ 2.67GHz
2,912
Intel Core i7-3820QM @ 2.70GHz
5,707
PassMark Software © 2008-2023
CPU Value (CPU Mark / $Price)
As of 27th of June 2023 - Higher results represent better value
Intel Core2 Duo E8400 @ 3.00GHz
15.4
Intel Xeon W3520 @ 2.67GHz
49.3
Intel Core i7-3820QM @ 2.70GHz
10.4
PassMark Software © 2008-2023
CPU Single Thread Rating
As of 27th of June 2023 - Higher results represent better performance
Intel Core2 Duo E8400 @ 3.00GHz
1,236
Intel Xeon W3520 @ 2.67GHz
1,272
Intel Core i7-3820QM @ 2.70GHz
1,888
PassMark Software © 2008-2023

Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per dayAverage CPU Utilization (0-100%)1Power cost, $ per kWh2
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 E8400 @ 3.00GHzIntel Xeon W3520 @ 2.67GHzIntel Core i7-3820QM @ 2.70GHz
Max TDP65W130W45W
Power consumption per day (kWh)NANANA
Running cost per dayNANANA
Power consumption per year (kWh)NANANA
Running cost per yearNANANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.