AMD Phenom II X2 B55

Benchmarks for the AMD Phenom II X2 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 X2 B55 Good for Gaming?

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

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AMD Phenom II X2 B55

Description:

Class: Desktop

Socket: AM3

Clockspeed: 3.0 GHz

Cores: 2 Threads: 2

Typical TDP: 80 W

Cache per CPU Package:
L1 Instruction Cache: 2 x 64 KB
L1 Data Cache: 2 x 64 KB
L2 Cache: 2 x 512 KB
L3 Cache: 6 MB

Other names: AMD Phenom(tm) II X2 B55 Processor

CPU First Seen on Charts: Q4 2009

CPUmark/$Price: 31.71

Overall Rank:
3790th fastest in multithreading out of 5108 CPUs
2971st fastest in single threading out of 5108 CPUs
1154th fastest in out of all Desktop CPUs

Last Price Change: $37.95 USD (2025-05-10)

Average CPU Mark rating

Multithread Rating

1204

Single Thread Rating

1205

^%
Samples: 67*
*Margin for error: Low

PerformanceTest V9
CPU Mark: 1,892
Thread: 1,037

^%Single thread rating may be higher than the overall rating, thread performance is just one component of the CPU Mark.

CPU Test Suite Average Results for AMD Phenom II X2 B55

Integer Math	3,371 MOps/Sec
Floating Point Math	2,495 MOps/Sec
Find Prime Numbers	10 Million Primes/Sec
Random String Sorting	3,114 Thousand Strings/Sec
Data Encryption	304.0 MBytes/Sec
Data Compression	24,980 KBytes/Sec
Physics	141 Frames/Sec
Extended Instructions	613 Million Matrices/Sec
Single Thread	1,205 MOps/Sec

From submitted results to PerformanceTest V10 as of 11th of May 2025.

CPU Mark Distribution for AMD Phenom II X2 B55

Submitted Baseline Distribution Graph as of 6th of May 2025

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

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

Merchant	Price	Purchase
	$37.95 USD	Buy Now!
	NA	CPU Not Available. See Other Models
	NA	CPU Not Available. See Other Models

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 12th of May 2025 - Higher results represent better performance
Processor	Average CPU Mark
Intel Core i9-13900K		58,702
Intel Core i9-12900K		41,319
AMD Ryzen 9 5900X		39,035
Apple M1 Max 10 Core 3200 MHz		22,136
AMD Ryzen 5 5600X		21,864
Intel Core i5-12400F		19,476
Intel Core i9-9900K @ 3.60GHz		18,177
AMD Ryzen 5 3600		17,710
Apple M2 8 Core 3500 MHz		15,659
Apple M1 8 Core 3200 MHz		14,145
AMD Phenom II X2 B55		1,204

CPU Value (CPU Mark / $Price )
As of 12th of May 2025 - Higher results represent better value
Processor	CPU Mark / $Price
Intel Core i9-13900K		143.18
Intel Core i9-12900K		133.29
AMD Phenom II X2 B55		31.71
Apple M1 8 Core 3200 MHz		NA
Apple M2 8 Core 3500 MHz		NA
Apple M1 Max 10 Core 3200 MHz		NA
AMD Ryzen 5 3600		NA
AMD Ryzen 5 5600X		NA
AMD Ryzen 9 5900X		NA
Intel Core i9-9900K @ 3.60GHz		NA
Intel Core i5-12400F		NA

Single Thread Rating
As of 12th of May 2025 - Higher results represent better performance
Processor	Average Thread Rating
Intel Core i9-13900K		4,611
Intel Core i9-12900K		4,141
Apple M2 8 Core 3500 MHz		3,904
Apple M1 Max 10 Core 3200 MHz		3,836
Apple M1 8 Core 3200 MHz		3,680
Intel Core i5-12400F		3,480
AMD Ryzen 9 5900X		3,470
AMD Ryzen 5 5600X		3,363
Intel Core i9-9900K @ 3.60GHz		2,921
AMD Ryzen 5 3600		2,563
AMD Phenom II X2 B55		1,205

Last 5 Baselines for AMD Phenom II X2 B55
Most recent listed first
Baseline	CPU Mark
BL2498134 - Mar 21 2025		1406
BL1788896 - Apr 07 2023		1164
BL1783961 - Apr 01 2023		1350
BL1783083 - Mar 31 2023		1099
BL1777720 - Mar 24 2023		1312

Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature.

Popular comparisons for AMD Phenom II X2 B55
As of 12th of May 2025 - Higher results represent better performance
Processor	Average CPU Mark
AMD Phenom II X2 B55		1,204
AMD Athlon II X2 250 vs AMD Phenom II X2 B55		1,170 (-2.8%)
AMD Athlon II X2 245 vs AMD Phenom II X2 B55		1,126 (-6.4%)
Intel Pentium E6300 @ 2.80GHz vs AMD Phenom II X2 B55		1,032 (-14.2%)
AMD Athlon II X2 240e vs AMD Phenom II X2 B55		1,007 (-16.3%)
AMD Athlon II X2 215 vs AMD Phenom II X2 B55		998 (-17.0%)
Intel Core2 Duo E6700 @ 2.66GHz vs AMD Phenom II X2 B55		990 (-17.7%)
AMD Athlon 64 X2 Dual Core 6000+ vs AMD Phenom II X2 B55		936 (-22.2%)
Intel Pentium E5200 @ 2.50GHz vs AMD Phenom II X2 B55		932 (-22.5%)
Intel Pentium G6950 @ 2.80GHz vs AMD Phenom II X2 B55		1,238 (+2.9%)
AMD Phenom II X2 545 vs AMD Phenom II X2 B55		1,222 (+1.5%)
AMD Phenom II X2 550 vs AMD Phenom II X2 B55		1,140 (-5.2%)
AMD Athlon 7750 Dual-Core vs AMD Phenom II X2 B55		1,005 (-16.5%)

Is the AMD Phenom II X2 B55 Good for Gaming?
As of 12th of May 2025 - Higher results represent better performance
Processor	Relative Gaming Score
AMD Ryzen 9 9900X3D		12,475
AMD Ryzen 7 9800X3D		12,158
AMD Ryzen 9 9950X3D		11,326
AMD Ryzen 9 7900X3D		10,844
Intel Core Ultra 9 285K		10,589
AMD Ryzen 5 7600X3D		10,515
AMD Ryzen 7 7800X3D		10,288
AMD Ryzen 9 7950X3D		9,811
Intel Core Ultra 5 245K		9,671
Intel Core Ultra 7 265K		9,533
Intel Core Ultra 9 285		9,412
Intel Core Ultra 7 265KF		9,409
AMD Phenom II X2 B55		397

CPU Benchmarks

CPU Benchmarks

AMD Phenom II X2 B55

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CPU Test Suite Average Results for AMD Phenom II X2 B55

CPU Mark Distribution for AMD Phenom II X2 B55