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Intel Core2 Quad Q9505 vs AMD Phenom II X4 840T

The AMD Phenom II X4 840T is newer than Intel Core2 Quad Q9505 @ 2.83GHz and is around 9% faster in multi-threaded (CPU Mark) testing. The AMD Phenom II X4 840T is around 7% faster in single-thread testing. Both CPUs operates at simliar power levels (TDP). All the CPUs in this comparison belong in the Desktop CPU Class. The values below were tabulated from a combined 379 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 Quad Q9505 @ 2.83GHz×AMD Phenom II X4 840T+ ADD
Price Search Online Search Online
Socket TypeLGA775AM2+/AM3
CPU ClassDesktopDesktop
Clockspeed2.8 GHz2.9 GHz
Turbo SpeedNot SupportedUp to 3.2 GHz
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 256KB, L2: 6.0MB, L3: 0MBL1: 512KB, L2: 2.0MB, L3: 6MB
TDP95W95W
Yearly Running Cost$17.34$17.34
Other
First Seen on ChartQ4 2009Q4 2010
# of Samples220159
CPU Rank35163383
CPU Value43.340.8
Single Thread Rating(% diff. to max in group)1187(-6.7%)1273(0.0%)
CPU Mark(% diff. to max in group)2164(-8.6%)2367(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 8th of March 2026 - Higher results represent better performance
Intel Core2 Quad Q9505 @ 2.83GHz
2,164
AMD Phenom II X4 840T
2,367
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 8th of March 2026 - Higher results represent better value
Intel Core2 Quad Q9505 @ 2.83GHz
43.3
AMD Phenom II X4 840T
40.8
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 8th of March 2026 - Higher results represent better performance
Intel Core2 Quad Q9505 @ 2.83GHz
1,187
AMD Phenom II X4 840T
1,273
PassMark Software © 2008-2026
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 Quad Q9505 @ 2.83GHz AMD Phenom II X4 840T
Max TDP95W95W
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.