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AMD Phenom II X4 B99

Benchmarks for the AMD Phenom II X4 B99 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 B99 Good for Gaming?

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


AMD Phenom II X4 B99

Description:

Class: Desktop

Socket:

Clockspeed: 3.3 GHz

Cores: 4 Threads: 4

Typical TDP: 95 W

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 B99 Processor

CPU First Seen on Charts: Q4 2011

CPUmark/$Price: NA

Overall Rank:
3151st fastest in multithreading out of 5450 CPUs
2867th fastest in single threading out of 5450 CPUs
876th fastest in out of 1475 Desktop CPUs

Last Price Change: NA

Average CPU Mark rating
Multithread Rating
2536
Single Thread Rating
1377

Samples: 13*
*Margin for error: Medium



PerformanceTest V9
CPU Mark: 3,992
Thread: 1,157

CPU Test Suite Average Results for AMD Phenom II X4 B99

Integer Math7,254 MOps/Sec
Floating Point Math5,644 MOps/Sec
Find Prime Numbers16 Million Primes/Sec
Random String Sorting7,678 Thousand Strings/Sec
Data Encryption615.9 MBytes/Sec
Data Compression59,906 KBytes/Sec
Physics232 Frames/Sec
Extended Instructions1,329 Million Matrices/Sec
Single Thread1,377 MOps/Sec
From submitted results to PerformanceTest V10 as of 16th of November 2025.

CPU Mark Distribution for AMD Phenom II X4 B99

Submitted Baseline Distribution Graph as of 13th of November 2025


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

From submitted results since PerformanceTest V10 as of 13th of November 2025.

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CPU Mark Relative to Top 10 Common Desktop CPUs
As of 16th of November 2025 - Higher results represent better performance
Processor Average CPU Mark
Intel Core i9-14900K
 58,566
Intel Core i9-13900K
 58,404
AMD Ryzen 9 5900X
 38,959
Apple M1 Max 10 Core 3200 MHz
 22,148
AMD Ryzen 5 5600X
 21,847
Intel Core i5-12400F
 19,521
Intel Core i9-9900K @ 3.60GHz
 18,115
AMD Ryzen 5 3600
 17,686
Apple M2 8 Core 3500 MHz
 15,652
Apple M1 8 Core 3200 MHz
 14,146
AMD Phenom II X4 B99
 2,536
CPU Value (CPU Mark / $Price )
As of 16th of November 2025 - Higher results represent better value
Processor CPU Mark / $Price
AMD Ryzen 5 3600
 268.38
AMD Ryzen 5 5600X
 170.82
Intel Core i5-12400F
 153.23
AMD Ryzen 9 5900X
 144.83
Intel Core i9-14900K
 127.60
Intel Core i9-13900K
 103.37
Intel Core i9-9900K @ 3.60GHz
 53.76
AMD Phenom II X4 B99
 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 16th 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
 3,833
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 II X4 B99
 1,377
Last 3 Baselines for AMD Phenom II X4 B99
Most recent listed first
Baseline CPU Mark
BL1462724 - Oct 30 2021
2585
BL1285935 - Aug 24 2020
2592
BL1270772 - Jul 21 2020
2438
Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature.
Popular comparisons for AMD Phenom II X4 B99
As of 16th of November 2025 - Higher results represent better performance
Processor Average CPU Mark
AMD Phenom II X4 B99
 2,536
AMD FX-4100 Quad-Core vs AMD Phenom II X4 B99
 2,630 (+3.7%)
Intel Core i3-3240 @ 3.40GHz vs AMD Phenom II X4 B99
 2,351 (-7.3%)
AMD FX-4170 Quad-Core vs AMD Phenom II X4 B99
 3,065 (+20.8%)
AMD A10-5800K APU vs AMD Phenom II X4 B99
 2,968 (+17.0%)
AMD A8-5600K APU vs AMD Phenom II X4 B99
 2,861 (+12.8%)
AMD Phenom II X4 980 vs AMD Phenom II X4 B99
 2,839 (+11.9%)
AMD A8-5500 APU vs AMD Phenom II X4 B99
 2,615 (+3.1%)
Intel Core i5-2390T @ 2.70GHz vs AMD Phenom II X4 B99
 2,491 (-1.8%)
AMD Phenom II X4 850 vs AMD Phenom II X4 B99
 2,441 (-3.8%)
AMD Athlon II X4 651 Quad-Core vs AMD Phenom II X4 B99
 2,433 (-4.1%)
AMD A8-3850 APU vs AMD Phenom II X4 B99
 2,421 (-4.6%)
AMD Phenom II X4 960T vs AMD Phenom II X4 B99
 2,361 (-6.9%)

Is the AMD Phenom II X4 B99 Good for Gaming?
As of 16th of November 2025 - Higher results represent better performance
Processor Relative Gaming Score
AMD Ryzen 9 9900X3D
 12,411
AMD Ryzen 7 9800X3D
 12,134
AMD Ryzen 9 9950X3D
 11,252
AMD Ryzen 9 7900X3D
 10,802
AMD Ryzen 5 7600X3D
 10,506
Intel Core Ultra 9 285K
 10,495
AMD Ryzen 7 7800X3D
 10,271
AMD Ryzen 9 7950X3D
 9,777
AMD Ryzen 9 9955HX3D
 9,623
Intel Core Ultra 7 265K
 9,495
Intel Core Ultra 9 285
 9,480
Intel Core Ultra 5 245K
 9,413
AMD Phenom II X4 B99
 384