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: 92.31

Overall Rank: 1619th fastest in multithreading out of 5524 CPUs1289th fastest in single threading out of 5524 CPUs482nd fastest in out of 1487 Desktop CPUs

Last Price Change: $100.00 USD (2026-01-13)

Average CPU Mark rating Multithread Rating 9231 Single Thread Rating 2367 Samples: 9026* *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 Math25,560 MOps/Sec
Floating Point Math22,017 MOps/Sec
Find Prime Numbers37 Million Primes/Sec
Random String Sorting15,908 Thousand Strings/Sec
Data Encryption2,840 MBytes/Sec
Data Compression129,722 KBytes/Sec
Physics636 Frames/Sec
Extended Instructions11,537 Million Matrices/Sec
Single Thread2,367 MOps/Sec
From submitted results to PerformanceTest V10 as of 14th of January 2026.

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

Submitted Baseline Distribution Graph as of 11th of January 2026 From submitted results since PerformanceTest V10 as of 11th of January 2026.For distribution graph only: Results are trimmed to exclude outliers by disregarding the bottom 1% and top 1% of submissions.
MerchantPricePurchase
Amazon.com$139.00 USDBuy Now!
NewEgg.com$99.36 USDBuy Now!
BestBuy.comNACPU Not Available. See Other Models
Note: PassMark Software may earn compensation for sales from links on this site through affiliate programs.

Pricing History

Machines with this CPU (or similar)

Dell Inspiron 3670 Desktop Computer with Intel Core i5-8400 2.8 GHz, 8GB DDR4 SDRAM, 1TB HDD, Black with Silver Trim Dell Inspiron 3670 Desktop Computer with Intel Core i5-8400 2.8 GHz, 8GB DDR4 SDRAM, 1TB HDD, Black with Silver Trim $463.14(www.amazon.com)
acer Aspire TC-885-ACCFLi5O Desktop, 8th Gen Intel Core i5-8400, 8GB DDR4 + 16GB Optane Memory, 2TB HDD, 8X DVD, 802.11ac WiFi, Windows 10 Home acer Aspire TC-885-ACCFLi5O Desktop, 8th Gen Intel Core i5-8400, 8GB DDR4 + 16GB Optane Memory, 2TB HDD, 8X DVD, 802.11ac WiFi, Windows 10 Home $699.00(www.amazon.com)
Note: PassMark Software may earn compensation for sales from links on this site through affiliate programs. CPU Mark Relative to Top 10 Common Desktop CPUs As of 14th of January 2026 - Higher results represent better performance
Processor Average CPU Mark
Intel Core i9-14900K 58,507
Intel Core i9-13900K 58,333
AMD Ryzen 9 5900X 38,947
Apple M4 10 Core 23,712
AMD Ryzen 5 5600X 21,844
Intel Core i5-12400F 19,559
Intel Core i9-9900K @ 3.60GHz 18,101
AMD Ryzen 5 3600 17,681
Apple M2 8 Core 3500 MHz 15,642
Apple M1 8 Core 3200 MHz 14,137
Intel Core i5-8400 @ 2.80GHz 9,231
CPU Value (CPU Mark / $Price ) As of 14th of January 2026 - Higher results represent better value
Processor CPU Mark / $Price
AMD Ryzen 5 3600 196.57
AMD Ryzen 5 5600X 159.59
Intel Core i5-12400F 146.23
AMD Ryzen 9 5900X 126.19
Intel Core i9-14900K 124.76
Intel Core i9-13900K 108.03
Intel Core i5-8400 @ 2.80GHz 92.31
Intel Core i9-9900K @ 3.60GHz 58.34
Apple M1 8 Core 3200 MHz NA
Apple M2 8 Core 3500 MHz NA
Apple M4 10 Core NA
Single Thread Rating As of 14th of January 2026 - Higher results represent better performance
Processor Average Thread Rating
Intel Core i9-14900K 4,695
Intel Core i9-13900K 4,601
Apple M4 10 Core 4,519
Apple M2 8 Core 3500 MHz 3,887
Apple M1 8 Core 3200 MHz 3,676
Intel Core i5-12400F 3,488
AMD Ryzen 9 5900X 3,467
AMD Ryzen 5 5600X 3,365
Intel Core i9-9900K @ 3.60GHz 2,914
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
BL3202232 - Jan 10 2026 8191
BL3201187 - Jan 09 2026 9176
BL3201150 - Jan 09 2026 9118
BL3200851 - Jan 09 2026 8952
BL3200753 - Jan 09 2026 9308
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 14th of January 2026 - Higher results represent better performance
Processor Average CPU Mark
Intel Core i5-8400 @ 2.80GHz 9,231
Intel Core i5-8500 @ 3.00GHz vs Intel Core i5-8400 9,522 (+3.2%)
AMD Ryzen 5 1500X vs Intel Core i5-8400 9,074 (-1.7%)
AMD Ryzen 5 1400 vs Intel Core i5-8400 7,735 (-16.2%)
Intel Core i5-9600KF @ 3.70GHz vs Intel Core i5-8400 10,640 (+15.3%)
Intel Core i5-9500 @ 3.00GHz vs Intel Core i5-8400 9,842 (+6.6%)
Intel Core i5-9400F @ 2.90GHz vs Intel Core i5-8400 9,462 (+2.5%)
AMD Ryzen 5 3400G vs Intel Core i5-8400 9,200 (-0.3%)
AMD Ryzen 3 3100 vs Intel Core i5-8400 11,528 (+24.9%)
Intel Core i5-8600 @ 3.10GHz vs Intel Core i5-8400 9,961 (+7.9%)
Intel Core i7-7740X @ 4.30GHz vs Intel Core i5-8400 9,676 (+4.8%)
AMD Ryzen 5 2400G vs Intel Core i5-8400 8,732 (-5.4%)
Intel Core i7-7700 @ 3.60GHz vs Intel Core i5-8400 8,637 (-6.4%)
Is the Intel Core i5-8400 @ 2.80GHz Good for Gaming?As of 14th of January 2026 - Higher results represent better performance
Processor Relative Gaming Score
AMD Ryzen 9 9950X3D2 14,501
AMD Ryzen 9 9900X3D 12,425
AMD Ryzen 7 9800X3D 12,124
AMD Ryzen 9 9950X3D 11,255
AMD Ryzen 9 7900X3D 10,794
AMD Ryzen 5 7600X3D 10,512
Intel Core Ultra 9 285K 10,416
AMD Ryzen 7 7800X3D 10,263
AMD Ryzen 5 7500X3D 10,209
AMD Ryzen 9 7950X3D 9,778
AMD Ryzen 9 9955HX3D 9,725
Intel Core Ultra 7 265K 9,457
Intel Core i5-8400 @ 2.80GHz 1,398
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