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AMD Phenom II X4 B45

Benchmarks for the AMD Phenom II X4 B45 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 B45 Good for Gaming?

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


AMD Phenom II X4 B45

Description:

Class: Desktop

Socket:

Clockspeed: 3.1 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

Other names: AMD Phenom(tm) II X4 B45 Processor

CPU First Seen on Charts: Q3 2009

CPUmark/$Price: NA

Overall Rank:
3314th fastest in multithreading out of 5489 CPUs
3193rd fastest in single threading out of 5489 CPUs
923rd fastest in out of 1484 Desktop CPUs

Last Price Change: NA

Average CPU Mark rating
Multithread Rating
2327
Single Thread Rating
1231

Samples: 143*
*Margin for error: Low



PerformanceTest V9
CPU Mark: 3,355
Thread: 1,030

CPU Test Suite Average Results for AMD Phenom II X4 B45

Integer Math7,109 MOps/Sec
Floating Point Math5,378 MOps/Sec
Find Prime Numbers11 Million Primes/Sec
Random String Sorting6,193 Thousand Strings/Sec
Data Encryption647.1 MBytes/Sec
Data Compression51,913 KBytes/Sec
Physics178 Frames/Sec
Extended Instructions1,199 Million Matrices/Sec
Single Thread1,231 MOps/Sec
From submitted results to PerformanceTest V10 as of 12th of December 2025.

CPU Mark Distribution for AMD Phenom II X4 B45

Submitted Baseline Distribution Graph as of 11th of December 2025
From submitted results since PerformanceTest V10 as of 11th of December 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 13th of December 2025 - Higher results represent better performance
Processor Average CPU Mark
Intel Core i9-14900K
 58,551
Intel Core i9-13900K
 58,354
AMD Ryzen 9 5900X
 38,952
Apple M1 Max 10 Core 3200 MHz
 22,147
AMD Ryzen 5 5600X
 21,845
Intel Core i5-12400F
 19,546
Intel Core i9-9900K @ 3.60GHz
 18,108
AMD Ryzen 5 3600
 17,684
Apple M2 8 Core 3500 MHz
 15,651
Apple M1 8 Core 3200 MHz
 14,145
AMD Phenom II X4 B45
 2,327
CPU Value (CPU Mark / $Price )
As of 13th of December 2025 - Higher results represent better value
Processor CPU Mark / $Price
AMD Ryzen 5 3600
 282.22
AMD Ryzen 9 5900X
 163.67
AMD Ryzen 5 5600X
 159.58
Intel Core i5-12400F
 130.77
Intel Core i9-14900K
 130.40
Intel Core i9-13900K
 106.29
Intel Core i9-9900K @ 3.60GHz
 53.74
AMD Phenom II X4 B45
 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 13th of December 2025 - Higher results represent better performance
Processor Average Thread Rating
Intel Core i9-14900K
 4,696
Intel Core i9-13900K
 4,601
Apple M2 8 Core 3500 MHz
 3,889
Apple M1 Max 10 Core 3200 MHz
 3,833
Apple M1 8 Core 3200 MHz
 3,678
Intel Core i5-12400F
 3,487
AMD Ryzen 9 5900X
 3,467
AMD Ryzen 5 5600X
 3,364
Intel Core i9-9900K @ 3.60GHz
 2,915
AMD Ryzen 5 3600
 2,561
AMD Phenom II X4 B45
 1,231
Last 5 Baselines for AMD Phenom II X4 B45
Most recent listed first
Baseline CPU Mark
BL2934041 - Sep 26 2025
2617
BL2765112 - Jul 15 2025
2846
BL2660438 - May 29 2025
2807
BL2501416 - Mar 23 2025
2018
BL2457589 - Mar 04 2025
2724
Additional baselines can be obtained using Windows version of PerformanceTest's Manage Baselines feature.
Popular comparisons for AMD Phenom II X4 B45
As of 13th of December 2025 - Higher results represent better performance
Processor Average CPU Mark
AMD Phenom II X4 B45
 2,327
AMD Phenom II X4 965 vs AMD Phenom II X4 B45
 2,660 (+14.3%)
Intel Core i5-750 @ 2.67GHz vs AMD Phenom II X4 B45
 2,546 (+9.4%)
AMD Phenom II X4 945 vs AMD Phenom II X4 B45
 2,422 (+4.1%)
Intel Core i5-650 @ 3.20GHz vs AMD Phenom II X4 B45
 2,253 (-3.2%)
Intel Core2 Quad Q8400 @ 2.66GHz vs AMD Phenom II X4 B45
 2,076 (-10.8%)
Intel Core i5-760 @ 2.80GHz vs AMD Phenom II X4 B45
 2,668 (+14.6%)
AMD Phenom II X4 B55 vs AMD Phenom II X4 B45
 2,594 (+11.4%)
AMD Phenom II X4 955 vs AMD Phenom II X4 B45
 2,546 (+9.4%)
Intel Core2 Quad Q9650 @ 3.00GHz vs AMD Phenom II X4 B45
 2,509 (+7.8%)
AMD Phenom II X4 B50 vs AMD Phenom II X4 B45
 2,464 (+5.9%)
Intel Core i5-660 @ 3.33GHz vs AMD Phenom II X4 B45
 2,439 (+4.8%)
AMD Phenom II X4 B95 vs AMD Phenom II X4 B45
 2,427 (+4.3%)

Is the AMD Phenom II X4 B45 Good for Gaming?
As of 13th of December 2025 - Higher results represent better performance
Processor Relative Gaming Score
AMD Ryzen 9 9900X3D
 12,446
AMD Ryzen 7 9800X3D
 12,126
AMD Ryzen 9 9950X3D
 11,255
AMD Ryzen 9 7900X3D
 10,795
AMD Ryzen 5 7600X3D
 10,513
Intel Core Ultra 9 285K
 10,447
AMD Ryzen 5 7500X3D
 10,285
AMD Ryzen 7 7800X3D
 10,270
AMD Ryzen 9 7950X3D
 9,778
AMD Ryzen 9 9955HX3D
 9,669
Intel Core Ultra 7 265K
 9,475
Intel Core Ultra 9 285
 9,415
AMD Phenom II X4 B45
 248