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CPU Benchmarks

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AMD Phenom II X4 B55

Benchmarks for the AMD Phenom II X4 B55 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 II X4 B55 Good for Gaming?

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


AMD Phenom II X4 B55

Description:

Class: Desktop

Socket: AM2+/AM3

Clockspeed: 3.3 GHz

Cores: 4 Threads: 4

Cache per CPU Package:
L1 Instruction Cache: 4 x 64 KB
L1 Data Cache: 4 x 64 KB
L2 Cache: 4 x 512 KB
L3 Cache: 6 MB

Other names: AMD Phenom(tm) II X4 B55 Processor

CPU First Seen on Charts: Q1 2010

CPUmark/$Price: NA

Overall Rank:
3122nd fastest in multithreading out of 5459 CPUs
2967th fastest in single threading out of 5459 CPUs
866th fastest in out of 1475 Desktop CPUs

Last Price Change: NA

Average CPU Mark rating
Multithread Rating
2594
Single Thread Rating
1330

Samples: 552*
*Margin for error: Low



PerformanceTest V9
CPU Mark: 3,619
Thread: 1,084

CPU Test Suite Average Results for AMD Phenom II X4 B55

Integer Math7,958 MOps/Sec
Floating Point Math5,723 MOps/Sec
Find Prime Numbers15 Million Primes/Sec
Random String Sorting7,075 Thousand Strings/Sec
Data Encryption684.5 MBytes/Sec
Data Compression56,813 KBytes/Sec
Physics208 Frames/Sec
Extended Instructions1,333 Million Matrices/Sec
Single Thread1,330 MOps/Sec
From submitted results to PerformanceTest V10 as of 18th of November 2025.

CPU Mark Distribution for AMD Phenom II X4 B55

Submitted Baseline Distribution Graph as of 13th of November 2025
From submitted results since PerformanceTest V10 as of 13th of November 2025.
For distribution graph only: Results are trimmed to exclude outliers by disregarding the bottom 1% and top 1% of submissions.

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CPU Mark Relative to Top 10 Common Desktop CPUs
As of 18th of November 2025 - Higher results represent better performance
Processor Average CPU Mark
Intel Core i9-14900K
 58,564
Intel Core i9-13900K
 58,394
AMD Ryzen 9 5900X
 38,959
Apple M1 Max 10 Core 3200 MHz
 22,147
AMD Ryzen 5 5600X
 21,847
Intel Core i5-12400F
 19,522
Intel Core i9-9900K @ 3.60GHz
 18,113
AMD Ryzen 5 3600
 17,686
Apple M2 8 Core 3500 MHz
 15,653
Apple M1 8 Core 3200 MHz
 14,146
AMD Phenom II X4 B55
 2,594
CPU Value (CPU Mark / $Price )
As of 18th of November 2025 - Higher results represent better value
Processor CPU Mark / $Price
AMD Ryzen 5 3600
 260.09
AMD Ryzen 5 5600X
 169.50
AMD Ryzen 9 5900X
 157.71
Intel Core i9-14900K
 127.59
Intel Core i5-12400F
 126.25
Intel Core i9-13900K
 102.16
Intel Core i9-9900K @ 3.60GHz
 53.75
AMD Phenom II X4 B55
 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 18th of November 2025 - Higher results represent better performance
Processor Average Thread Rating
Intel Core i9-14900K
 4,697
Intel Core i9-13900K
 4,602
Apple M2 8 Core 3500 MHz
 3,892
Apple M1 Max 10 Core 3200 MHz
 3,833
Apple M1 8 Core 3200 MHz
 3,678
Intel Core i5-12400F
 3,485
AMD Ryzen 9 5900X
 3,468
AMD Ryzen 5 5600X
 3,364
Intel Core i9-9900K @ 3.60GHz
 2,916
AMD Ryzen 5 3600
 2,561
AMD Phenom II X4 B55
 1,330
Last 5 Baselines for AMD Phenom II X4 B55
Most recent listed first
Baseline CPU Mark
BL2939581 - Sep 28 2025
2883
BL2363596 - Jan 24 2025
2941
BL2345838 - Jan 16 2025
2916
BL2266700 - Dec 05 2024
2708
BL2266618 - Dec 05 2024
2772
Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature.
Popular comparisons for AMD Phenom II X4 B55
As of 18th of November 2025 - Higher results represent better performance
Processor Average CPU Mark
AMD Phenom II X4 B55
 2,594
Intel Core i5-760 @ 2.80GHz vs AMD Phenom II X4 B55
 2,667 (+2.8%)
AMD Phenom II X4 965 vs AMD Phenom II X4 B55
 2,657 (+2.4%)
Intel Core i5-750 @ 2.67GHz vs AMD Phenom II X4 B55
 2,545 (-1.9%)
AMD Athlon II X4 640 vs AMD Phenom II X4 B55
 2,265 (-12.7%)
Intel Core i5-650 @ 3.20GHz vs AMD Phenom II X4 B55
 2,252 (-13.2%)
AMD Phenom II X4 955 vs AMD Phenom II X4 B55
 2,545 (-1.9%)
Intel Core i5-660 @ 3.33GHz vs AMD Phenom II X4 B55
 2,437 (-6.0%)
AMD Phenom II X4 B95 vs AMD Phenom II X4 B55
 2,427 (-6.4%)
AMD Phenom II X4 945 vs AMD Phenom II X4 B55
 2,421 (-6.6%)
Intel Core i5-661 @ 3.33GHz vs AMD Phenom II X4 B55
 2,385 (-8.1%)
AMD Phenom II X4 B45 vs AMD Phenom II X4 B55
 2,327 (-10.3%)
AMD Athlon II X4 635 vs AMD Phenom II X4 B55
 2,248 (-13.3%)

Is the AMD Phenom II X4 B55 Good for Gaming?
As of 18th of November 2025 - Higher results represent better performance
Processor Relative Gaming Score
AMD Ryzen 9 9900X3D
 12,420
AMD Ryzen 7 9800X3D
 12,133
AMD Ryzen 9 9950X3D
 11,253
AMD Ryzen 9 7900X3D
 10,802
AMD Ryzen 5 7600X3D
 10,507
Intel Core Ultra 9 285K
 10,494
AMD Ryzen 7 7800X3D
 10,270
AMD Ryzen 9 7950X3D
 9,778
AMD Ryzen 9 9955HX3D
 9,629
Intel Core Ultra 7 265K
 9,497
Intel Core Ultra 9 285
 9,473
Intel Core Ultra 5 245K
 9,402
AMD Phenom II X4 B55
 358