Over 1,000,000 CPUs benchmarked
The Intel Core i7-4940MX @ 3.10GHz is newer than Intel Core i7-3840QM @ 2.80GHz also around 14% faster in multi-threaded (CPU Mark) testing, it is around 12% faster in single-thread testing. However, Intel Core i7-4940MX @ 3.10GHz uses around 24% more power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 999 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.
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×Intel Core i7-4940MX @ 3.10GHz | ×Intel Core i7-3840QM @ 2.80GHz | + ADD | |
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Socket Type | FPGA946,FPGA947 | rPGA988B | |
CPU Class | Laptop | Laptop | |
Clockspeed | 3.1 GHz | 2.8 GHz | |
Turbo Speed | Up to 4.0 GHz | Up to 3.8 GHz | |
# of Physical Cores | 4 (Threads: 8) | 4 (Threads: 8) | |
Cache | L1: 256KB, L2: 1.0MB, L3: 8MB | L1: 256KB, L2: 1.0MB, L3: 8MB | |
TDP | 57W | 45W | |
Yearly Running Cost | $10.40 | $8.21 | |
Other | |||
First Seen on Chart | Q1 2014 | Q3 2012 | |
# of Samples | 178 | 821 | |
CPU Value | 9.8 | 10.8 | |
Single Thread Rating(% diff. to max in group) | 2183(0.0%) | 1930(-11.6%) | |
CPU Mark(% diff. to max in group) | 6842(0.0%) | 5904(-13.7%) |
Intel Core i7-4940MX @ 3.10GHz | 6,842 | |
Intel Core i7-3840QM @ 2.80GHz | 5,904 | |
PassMark Software © 2008-2025 |
Intel Core i7-4940MX @ 3.10GHz | 9.8 | |
Intel Core i7-3840QM @ 2.80GHz | 10.8 | |
PassMark Software © 2008-2025 |
Intel Core i7-4940MX @ 3.10GHz | 2,183 | |
Intel Core i7-3840QM @ 2.80GHz | 1,930 | |
PassMark Software © 2008-2025 |
Intel Core i7-4940MX @ 3.10GHz | Intel Core i7-3840QM @ 2.80GHz | |
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Max TDP | 57W | 45W |
Power consumption per day (kWh) | NA | NA |
Running cost per day | NA | NA |
Power consumption per year (kWh) | NA | NA |
Running cost per year | NA | NA |