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Intel Celeron 7305 vs i7-840QM

The Intel Celeron 7305 is newer than Intel Core i7-840QM @ 1.87GHz and is around 25% faster in multi-threaded (CPU Mark) testing. The Intel Celeron 7305 is around -29% slower in single-thread testing. Also, Intel Celeron 7305 uses substantially less power. All the CPUs in this comparison belong in the Laptop CPU Class. The values below were tabulated from a combined 281 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 7305×Intel Core i7-840QM @ 1.87GHz+ ADD
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Socket TypeFCBGA1744PGA988A
CPU ClassLaptopLaptop
Clockspeed1.1 GHz1.9 GHz
Turbo SpeedNA2Up to 3.2 GHz
# of Physical Cores5 (Threads: 5)4 (Threads: 8)
CacheL1: 464KB, L2: 3.3MB, L3: 8MBL1: 256KB, L2: 1.0MB, L3: 8MB
TDP15W45W
Yearly Running Cost$2.74$8.21
OtherIntel UHD Graphics for 12th Gen Intel Processors
First Seen on ChartQ1 2022Q3 2010
# of Samples31250
CPU Rank32193537
CPU Value23.723.8
Single Thread Rating(% diff. to max in group)833(-29.0%)1173(0.0%)
CPU Mark(% diff. to max in group)2534(0.0%)2025(-20.1%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
2 - Information not available. Do you know? Notify Us.

CPU Mark Rating
As of 18th of January 2026 - Higher results represent better performance
Intel Celeron 7305
2,534
Intel Core i7-840QM @ 1.87GHz
2,025
PassMark Software © 2008-2026
CPU Value (CPU Mark / $Price)
As of 18th of January 2026 - Higher results represent better value
Intel Celeron 7305
23.7
Intel Core i7-840QM @ 1.87GHz
23.8
PassMark Software © 2008-2026
CPU Single Thread Rating
As of 18th of January 2026 - Higher results represent better performance
Intel Celeron 7305
833
Intel Core i7-840QM @ 1.87GHz
1,173
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 Celeron 7305 Intel Core i7-840QM @ 1.87GHz
Max TDP15W45W
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.