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Intel Celeron J3455 vs Core2 Quad Q9550

The Intel Celeron J3455 @ 1.50GHz is newer than Intel Core2 Quad Q9550 @ 2.83GHz, while the multi-threaded (CPU Mark) is simliar, Intel Core2 Quad Q9550 @ 2.83GHz is around 33% faster in single-thread testing. However, Intel Celeron J3455 @ 1.50GHz uses substantially less power. All the CPUs in this comparison belong in the Desktop CPU Class.The values below were tabulated from a combined 4545 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 Celeron J3455 @ 1.50GHz×Intel Core2 Quad Q9550 @ 2.83GHz+ ADD
Price Search Online $323 - BUY
Socket TypeFCBGA1296LGA775
CPU ClassDesktopDesktop
Clockspeed1.5 GHz2.8 GHz
Turbo SpeedUp to 2.3 GHzNot Supported
# of Physical Cores4 (Threads: 4)4 (Threads: 4)
CacheL1: 224KB, L2: 2.0MB, L3: 0MBL1: 256KB, L2: 12.0MB, L3: 0MB
TDP10W95W
Yearly Running Cost$1.83$17.34
Other
First Seen on ChartQ4 2016Q4 2008
# of Samples4704075
CPU Value6.47.3
Single Thread Rating(% diff. to max in group)812(-33.2%)1216(0.0%)
CPU Mark(% diff. to max in group)2251(-4.1%)2347(0.0%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 26th of February 2025 - Higher results represent better performance
Intel Celeron J3455 @ 1.50GHz
2,251
Intel Core2 Quad Q9550 @ 2.83GHz
2,347
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 26th of February 2025 - Higher results represent better value
Intel Celeron J3455 @ 1.50GHz
6.4
Intel Core2 Quad Q9550 @ 2.83GHz
7.3
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 26th of February 2025 - Higher results represent better performance
Intel Celeron J3455 @ 1.50GHz
812
Intel Core2 Quad Q9550 @ 2.83GHz
1,216
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.
Intel Celeron J3455 @ 1.50GHz Intel Core2 Quad Q9550 @ 2.83GHz
Max TDP10W95W
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.