Over 1,000,000 CPUs benchmarked
The Intel Core2 Duo SL9400 @ 1.86GHz is newer than Intel Core2 Duo P8400 @ 2.26GHz, while Intel Core2 Duo P8400 @ 2.26GHz is around 12% faster in multi-threaded (CPU Mark) testing, it is around 15% faster in single-thread testing. However, Intel Core2 Duo P8400 @ 2.26GHz uses around 38% more power. All the CPUs in this comparison belong in the Laptop CPU Class.The values below were tabulated from a combined 1461 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.
Compare the performance of up to 5 different CPUs
Compare List | |
×Intel Core2 Duo SL9400 @ 1.86GHz | ×Intel Core2 Duo P8400 @ 2.26GHz | + ADD | |
---|---|---|---|
Price |
Search Online
![]() |
Search Online
![]() | |
Socket Type | BGA956 | BGA479 | |
CPU Class | Laptop | Laptop | |
Clockspeed | 1.9 GHz | 2.3 GHz | |
Turbo Speed | Not Supported | Not Supported | |
# of Physical Cores | 2 (Threads: 2) | 2 (Threads: 2) | |
Cache | L1: 128KB, L2: 6.0MB, L3: 0MB | L1: 128KB, L2: 3.0MB, L3: 0MB | |
TDP | 17W | 25W | |
Yearly Running Cost | $3.10 | $4.56 | |
Other | |||
First Seen on Chart | Q1 2009 | Q4 2008 | |
# of Samples | 181 | 1280 | |
CPU Value | 3.0 | 2.9 | |
Single Thread Rating(% diff. to max in group) | 7863(-14.8%) | 9223(0.0%) | |
CPU Mark(% diff. to max in group) | 759(-11.6%) | 859(0.0%) |
Intel Core2 Duo SL9400 @ 1.86GHz | 759 | |
Intel Core2 Duo P8400 @ 2.26GHz | 859 | |
PassMark Software © 2008-2025 |
Intel Core2 Duo SL9400 @ 1.86GHz | 3.0 | |
Intel Core2 Duo P8400 @ 2.26GHz | 2.9 | |
PassMark Software © 2008-2025 |
Intel Core2 Duo SL9400 @ 1.86GHz | 786 | |
Intel Core2 Duo P8400 @ 2.26GHz | 922 | |
PassMark Software © 2008-2025 |
Intel Core2 Duo SL9400 @ 1.86GHz | Intel Core2 Duo P8400 @ 2.26GHz | |
---|---|---|
Max TDP | 17W | 25W |
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 |