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 ...]

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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:
3392nd fastest in multithreading out of 5791 CPUs
3260th fastest in single threading out of 5791 CPUs
939th fastest in out of 1554 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 Math	7,109 MOps/Sec
Floating Point Math	5,378 MOps/Sec
Find Prime Numbers	11 Million Primes/Sec
Random String Sorting	6,193 Thousand Strings/Sec
Data Encryption	647.1 MBytes/Sec
Data Compression	51,913 KBytes/Sec
Physics	178 Frames/Sec
Extended Instructions	1,199 Million Matrices/Sec
Single Thread	1,231 MOps/Sec

From submitted results to PerformanceTest V10 as of 18th of February 2026.

CPU Mark Distribution for AMD Phenom II X4 B45

Submitted Baseline Distribution Graph as of 13th of February 2026

From submitted results since PerformanceTest V10 as of 13th of February 2026.
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 February 2026 - Higher results represent better performance
Processor	Average CPU Mark
Intel Core i9-14900K		58,444
Intel Core i9-13900K		58,279
AMD Ryzen 9 5900X		38,939
Apple M4 10 Core		23,699
AMD Ryzen 5 5600X		21,844
Intel Core i5-12400F		19,584
Intel Core i9-9900K @ 3.60GHz		18,083
AMD Ryzen 5 3600		17,678
Apple M2 8 Core 3500 MHz		15,643
Apple M1 8 Core 3200 MHz		14,133
AMD Phenom II X4 B45		2,327

CPU Value (CPU Mark / $Price )
As of 18th of February 2026 - Higher results represent better value
Processor	CPU Mark / $Price
AMD Ryzen 5 5600X		136.53
AMD Ryzen 9 5900X		130.23
Intel Core i9-14900K		124.62
Intel Core i5-12400F		122.41
AMD Ryzen 5 3600		117.87
Intel Core i9-13900K		107.93
Intel Core i9-9900K @ 3.60GHz		60.60
AMD Phenom II X4 B45		NA
Apple M1 8 Core 3200 MHz		NA
Apple M2 8 Core 3500 MHz		NA
Apple M4 10 Core		NA

Single Thread Rating
As of 18th of February 2026 - Higher results represent better performance
Processor	Average Thread Rating
Intel Core i9-14900K		4,694
Intel Core i9-13900K		4,600
Apple M4 10 Core		4,516
Apple M2 8 Core 3500 MHz		3,886
Apple M1 8 Core 3200 MHz		3,676
Intel Core i5-12400F		3,489
AMD Ryzen 9 5900X		3,467
AMD Ryzen 5 5600X		3,365
Intel Core i9-9900K @ 3.60GHz		2,914
AMD Ryzen 5 3600		2,560
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 18th of February 2026 - 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		2,662 (+14.4%)
Intel Core i5-750 @ 2.67GHz vs AMD Phenom II X4 B45		2,547 (+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		2,257 (-3.0%)
Intel Core2 Quad Q8400 @ 2.66GHz vs AMD Phenom II X4 B45		2,083 (-10.5%)
Intel Core i5-760 @ 2.80GHz vs AMD Phenom II X4 B45		2,676 (+15.0%)
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		2,552 (+9.7%)
Intel Core2 Quad Q9650 @ 3.00GHz vs AMD Phenom II X4 B45		2,517 (+8.1%)
AMD Phenom II X4 B50 vs AMD Phenom II X4 B45		2,464 (+5.9%)
AMD Phenom II X4 B95 vs AMD Phenom II X4 B45		2,427 (+4.3%)
Intel Core i5-660 @ 3.33GHz vs AMD Phenom II X4 B45		2,412 (+3.6%)

Is the AMD Phenom II X4 B45 Good for Gaming?
As of 18th of February 2026 - Higher results represent better performance
Processor	Relative Gaming Score
AMD Ryzen 9 9950X3D2		14,501
AMD Ryzen 9 9900X3D		12,432
AMD Ryzen 7 9800X3D		12,123
AMD Ryzen 9 9950X3D		11,257
AMD Ryzen 9 7900X3D		10,794
Intel Core Ultra 7 270K Plus		10,695
AMD Ryzen 5 7600X3D		10,517
Intel Core Ultra 9 285K		10,377
AMD Ryzen 7 7800X3D		10,257
AMD Ryzen 5 7500X3D		10,195
AMD Ryzen 9 9955HX3D		9,783
AMD Ryzen 9 7950X3D		9,780
AMD Phenom II X4 B45		248

CPU Benchmarks

CPU Benchmarks

AMD Phenom II X4 B45

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CPU Test Suite Average Results for AMD Phenom II X4 B45

CPU Mark Distribution for AMD Phenom II X4 B45