Intel Core I5-8400 @ 2.80GHz - CPU Benchmarks

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Intel Core i5-8400 @ 2.80GHz

Benchmarks for the Intel Core i5-8400 can be found below. Release dates, price and performance comparisons are also listed when available. This is made using thousands of PerformanceTest benchmark results and is updated daily.

• The first graph shows the relative performance of the CPU compared to the 10 other common (single) CPUs in terms of PassMark CPU Mark.
• The 2nd graph shows the value for money, in terms of the CPUMark per dollar.
• The pricing history data shows the price for a single Processor. For multiple Processors, multiply the price shown by the number of CPUs.

Is the Intel Core i5-8400 @ 2.80GHz Good for Gaming?

This is a fairly old CPU that is no longer competitive with newer CPUs. [More ...]

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Compare Intel Core i5-8400 @ 2.80GHz

Description: Intel UHD Graphics 630

Class: Desktop

Socket: FCLGA1151-2

Clockspeed: 2.8 GHz

Turbo Speed: 4.0 GHz

Cores: 6 Threads: 6

Typical TDP: 65 W

Cache per CPU Package:L1 Instruction Cache: 6 x 32 KBL1 Data Cache: 6 x 32 KBL2 Cache: 6 x 256 KBL3 Cache: 9 MB

Memory Support: Max. Memory Size: 128 GB (DDR4-2666)

Other names: Intel(R) Core(TM) i5-8400 CPU @ 2.80GHz, Intel Core i5-8400 CPU @ 2.80GHz

CPU First Seen on Charts: Q4 2017

CPUmark/$Price: 84.09

Overall Rank: 1669th fastest in multithreading out of 5821 CPUs1341st fastest in single threading out of 5821 CPUs493rd fastest in out of 1557 Desktop CPUs

Last Price Change: $109.78 USD (2026-03-13)

Average CPU Mark Multithread Rating 9231 Single Thread Rating 2367 Samples: 9355* *Margin for error: Low + Compare PerformanceTest V9 CPU Mark: 11,632 Thread: 2,335

CPU Test Suite Average Results for Intel Core i5-8400 @ 2.80GHz

Integer Math	25,562 MOps/Sec
Floating Point Math	22,022 MOps/Sec
Find Prime Numbers	37 Million Primes/Sec
Random String Sorting	15,902 Thousand Strings/Sec
Data Encryption	2,843 MBytes/Sec
Data Compression	129,710 KBytes/Sec
Physics	635 Frames/Sec
Extended Instructions	11,542 Million Matrices/Sec
Single Thread	2,367 MOps/Sec

From submitted results to PerformanceTest V10 as of 15th of March 2026.

CPU Mark Distribution for Intel Core i5-8400 @ 2.80GHz

Submitted Baseline Distribution Graph as of 15th of March 2026 From submitted results since PerformanceTest V10 as of 15th of March 2026.For distribution graph only: Results are trimmed to exclude outliers by disregarding the bottom 1% and top 1% of submissions.

Merchant	Price	Purchase
	NA	CPU Not Available. See Other Models
	$109.78 USD	Buy Now!
	NA	CPU Not Available. See Other Models

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Pricing History

CPU Mark Relative to Top 10 Common Desktop CPUs As of 16th of March 2026 - Higher results represent better performance

Processor	Average CPU Mark
Intel Core i9-14900K	58,413
Intel Core i9-13900K	58,255
AMD Ryzen 9 5900X	38,934
Apple M4 10 Core	23,685
AMD Ryzen 5 5600X	21,844
Intel Core i5-12400F	19,596
Intel Core i9-9900K @ 3.60GHz	18,075
AMD Ryzen 5 3600	17,677
Apple M2 8 Core 3500 MHz	15,642
Apple M1 8 Core 3200 MHz	14,130
Intel Core i5-8400 @ 2.80GHz	9,231

CPU Value (CPU Mark / $Price ) As of 16th of March 2026 - Higher results represent better value

Processor	CPU Mark / $Price
AMD Ryzen 5 3600	192.75
AMD Ryzen 9 5900X	167.47
AMD Ryzen 5 5600X	144.67
Intel Core i9-14900K	124.55
Intel Core i9-13900K	107.88
Intel Core i5-8400 @ 2.80GHz	84.09
Intel Core i9-9900K @ 3.60GHz	47.71
Intel Core i5-12400F	45.21
Apple M1 8 Core 3200 MHz	NA
Apple M2 8 Core 3500 MHz	NA
Apple M4 10 Core	NA

Single Thread Rating As of 16th of March 2026 - Higher results represent better performance

Processor	Average Thread Rating
Intel Core i9-14900K	4,693
Intel Core i9-13900K	4,599
Apple M4 10 Core	4,514
Apple M2 8 Core 3500 MHz	3,885
Apple M1 8 Core 3200 MHz	3,675
Intel Core i5-12400F	3,489
AMD Ryzen 9 5900X	3,467
AMD Ryzen 5 5600X	3,366
Intel Core i9-9900K @ 3.60GHz	2,913
AMD Ryzen 5 3600	2,560
Intel Core i5-8400 @ 2.80GHz	2,367

Last 5 Baselines for Intel Core i5-8400 @ 2.80GHz Most recent listed first

Baseline	CPU Mark
BL3350492 - Mar 14 2026	8895
BL3350251 - Mar 14 2026	9333
BL3349533 - Mar 14 2026	9757
BL3349432 - Mar 14 2026	6688
BL3349341 - Mar 14 2026	7187

Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature. Popular comparisons for Intel Core i5-8400 @ 2.80GHz As of 16th of March 2026 - Higher results represent better performance

Processor	Average CPU Mark
Intel Core i5-8400 @ 2.80GHz	9,231
Intel Core i5-8600K @ 3.60GHz vs Intel Core i5-8400	10,139 (+9.8%)
Intel Core i5-8500 @ 3.00GHz vs Intel Core i5-8400	9,512 (+3.0%)
AMD Ryzen 5 1500X vs Intel Core i5-8400	9,073 (-1.7%)
AMD Ryzen 5 1400 vs Intel Core i5-8400	7,736 (-16.2%)
Intel Core i5-9600KF @ 3.70GHz vs Intel Core i5-8400	10,649 (+15.4%)
Intel Core i5-9400F @ 2.90GHz vs Intel Core i5-8400	9,462 (+2.5%)
Intel Core i5-9400 @ 2.90GHz vs Intel Core i5-8400	9,372 (+1.5%)
AMD Ryzen 3 3100 vs Intel Core i5-8400	11,523 (+24.8%)
Intel Core i5-8600 @ 3.10GHz vs Intel Core i5-8400	9,963 (+7.9%)
Intel Core i7-7740X @ 4.30GHz vs Intel Core i5-8400	9,689 (+5.0%)
AMD Ryzen 5 2400G vs Intel Core i5-8400	8,731 (-5.4%)
Intel Core i7-7700 @ 3.60GHz vs Intel Core i5-8400	8,642 (-6.4%)

Is the Intel Core i5-8400 @ 2.80GHz Good for Gaming?As of 16th of March 2026 - Higher results represent better performance

Processor	Relative Gaming Score
AMD Ryzen 9 9900X3D	12,427
AMD Ryzen 7 9800X3D	12,123
AMD Ryzen 9 9950X3D	11,266
Intel Core Ultra 7 270K Plus	10,611
AMD Ryzen 5 7600X3D	10,523
AMD Ryzen 9 7900X3D	10,389
Intel Core Ultra 9 285K	10,373
Intel Core Ultra 9 290K Plus	10,291
AMD Ryzen 7 7800X3D	10,257
AMD Ryzen 5 7500X3D	10,163
AMD Ryzen 9 9955HX3D	9,792
Intel Core Ultra 7 265K	9,443
Intel Core i5-8400 @ 2.80GHz	1,397

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