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AMD Phenom 8400 Triple-Core

Benchmarks for the AMD Phenom 8400 Triple-Core 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 AMD Phenom 8400 Triple-Core Good for Gaming?

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

AMD Phenom 8400 Triple-Core

Description:

Class: Desktop

Socket: AM2+

Clockspeed: 2.1 GHz

Cores: 3 Threads: 3

Typical TDP: 95 W

Cache per CPU Package:
L1 Instruction Cache: 3 x 64 KB
L1 Data Cache: 3 x 64 KB
L2 Cache: 3 x 512 KB
L3 Cache: 2 MB

Other names: AMD Phenom(tm) 8400 Triple-Core Processor

CPU First Seen on Charts: Q1 2009

CPUmark/$Price: NA

Overall Rank:
4126th fastest in multithreading out of 5444 CPUs
4046th fastest in single threading out of 5444 CPUs
1196th fastest in out of 1475 Desktop CPUs

Last Price Change: NA

Average CPU Mark rating
Multithread Rating
1164
Single Thread Rating
819

Samples: 105*
*Margin for error: Low



PerformanceTest V9
CPU Mark: 1,462
Thread: 732

CPU Test Suite Average Results for AMD Phenom 8400 Triple-Core

Integer Math3,264 MOps/Sec
Floating Point Math2,941 MOps/Sec
Find Prime Numbers3 Million Primes/Sec
Random String Sorting3,238 Thousand Strings/Sec
Data Encryption373.0 MBytes/Sec
Data Compression27,139 KBytes/Sec
Physics102 Frames/Sec
Extended Instructions536 Million Matrices/Sec
Single Thread819 MOps/Sec
From submitted results to PerformanceTest V10 as of 11th of November 2025.

CPU Mark Distribution for AMD Phenom 8400 Triple-Core

Submitted Baseline Distribution Graph as of 6th of November 2025


Not Enough Data from Current Version of PerformanceTest to Create Distribution Graph.

From submitted results since PerformanceTest V10 as of 6th of November 2025.

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CPU Mark Relative to Top 10 Common Desktop CPUs
As of 11th of November 2025 - Higher results represent better performance
Processor Average CPU Mark
Intel Core i9-14900K
58,562
Intel Core i9-13900K
58,418
AMD Ryzen 9 5900X
38,961
Apple M1 Max 10 Core 3200 MHz
22,152
AMD Ryzen 5 5600X
21,848
Intel Core i5-12400F
19,515
Intel Core i9-9900K @ 3.60GHz
18,115
AMD Ryzen 5 3600
17,687
Apple M2 8 Core 3500 MHz
15,651
Apple M1 8 Core 3200 MHz
14,146
AMD Phenom 8400 Triple-Core
1,164
CPU Value (CPU Mark / $Price )
As of 11th of November 2025 - Higher results represent better value
Processor CPU Mark / $Price
AMD Ryzen 5 3600
260.48
AMD Ryzen 5 5600X
183.61
Intel Core i9-14900K
127.59
Intel Core i5-12400F
126.20
AMD Ryzen 9 5900X
122.33
Intel Core i9-13900K
104.32
Intel Core i9-9900K @ 3.60GHz
47.80
AMD Phenom 8400 Triple-Core
NA
Apple M1 8 Core 3200 MHz
NA
Apple M2 8 Core 3500 MHz
NA
Apple M1 Max 10 Core 3200 MHz
NA
Single Thread Rating
As of 11th of November 2025 - Higher results represent better performance
Processor Average Thread Rating
Intel Core i9-14900K
4,698
Intel Core i9-13900K
4,602
Apple M2 8 Core 3500 MHz
3,892
Apple M1 Max 10 Core 3200 MHz
3,834
Apple M1 8 Core 3200 MHz
3,678
Intel Core i5-12400F
3,485
AMD Ryzen 9 5900X
3,467
AMD Ryzen 5 5600X
3,364
Intel Core i9-9900K @ 3.60GHz
2,916
AMD Ryzen 5 3600
2,561
AMD Phenom 8400 Triple-Core
819
Last 5 Baselines for AMD Phenom 8400 Triple-Core
Most recent listed first
Baseline CPU Mark
BL5048920 - Oct 22 2023
1363
BL1739865 - Feb 08 2023
1297
BL1714397 - Jan 07 2023
1273
BL1712262 - Jan 05 2023
1283
BL1712183 - Jan 04 2023
1284
Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature.
Popular comparisons for AMD Phenom 8400 Triple-Core
As of 11th of November 2025 - Higher results represent better performance
Processor Average CPU Mark
AMD Phenom 8400 Triple-Core
1,164
Intel Core2 Duo E8500 @ 3.16GHz vs AMD Phenom 8400 Triple-Core
1,297 (+11.5%)
AMD Phenom 8450 Triple-Core vs AMD Phenom 8400 Triple-Core
1,221 (+4.9%)
AMD Phenom 8650 Triple-Core vs AMD Phenom 8400 Triple-Core
1,218 (+4.7%)
Intel Core2 Duo E8400 @ 3.00GHz vs AMD Phenom 8400 Triple-Core
1,216 (+4.5%)
AMD Athlon II X2 250 vs AMD Phenom 8400 Triple-Core
1,178 (+1.2%)
Intel Core2 Duo E7500 @ 2.93GHz vs AMD Phenom 8400 Triple-Core
1,156 (-0.7%)
Intel Core2 Duo E7400 @ 2.80GHz vs AMD Phenom 8400 Triple-Core
1,043 (-10.4%)
Intel Core2 Duo E6750 @ 2.66GHz vs AMD Phenom 8400 Triple-Core
1,027 (-11.8%)
Intel Pentium E5400 @ 2.70GHz vs AMD Phenom 8400 Triple-Core
1,004 (-13.8%)
AMD Athlon 64 X2 Dual Core 6000+ vs AMD Phenom 8400 Triple-Core
942 (-19.0%)
Intel Core2 Duo E6600 @ 2.40GHz vs AMD Phenom 8400 Triple-Core
937 (-19.5%)
Intel Pentium E5200 @ 2.50GHz vs AMD Phenom 8400 Triple-Core
933 (-19.8%)

Is the AMD Phenom 8400 Triple-Core Good for Gaming?
As of 11th of November 2025 - Higher results represent better performance
Processor Relative Gaming Score
AMD Ryzen 9 9900X3D
12,417
AMD Ryzen 7 9800X3D
12,136
AMD Ryzen 9 9950X3D
11,255
AMD Ryzen 9 7900X3D
10,802
AMD Ryzen 5 7600X3D
10,505
Intel Core Ultra 9 285K
10,497
AMD Ryzen 7 7800X3D
10,271
AMD Ryzen 9 7950X3D
9,781
AMD Ryzen 9 9955HX3D
9,616
Intel Core Ultra 7 265K
9,502
Intel Core Ultra 9 285
9,479
Intel Core Ultra 5 245K
9,424
AMD Phenom 8400 Triple-Core
124