AMD Athlon II X2 255

Benchmarks for the AMD Athlon II X2 255 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 Athlon II X2 255 Good for Gaming?

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

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AMD Athlon II X2 255

Description:

Class: Desktop

Socket: AM3

Clockspeed: 3.1 GHz

Cores: 2 Threads: 2

Typical TDP: 65 W

Cache per CPU Package:
L1 Instruction Cache: 2 x 64 KB
L1 Data Cache: 2 x 64 KB
L2 Cache: 2 x 1024 KB

Other names: AMD Athlon(tm) II X2 255 Processor

CPU First Seen on Charts: Q1 2010

CPUmark/$Price: 96.38

Overall Rank:
4232nd fastest in multithreading out of 5791 CPUs
3250th fastest in single threading out of 5791 CPUs
1219th fastest in out of 1554 Desktop CPUs

Last Price Change: $12.55 USD (2022-08-02)

Average CPU Mark rating

Multithread Rating

1210

Single Thread Rating

1235

^%
Samples: 429*
*Margin for error: Low

PerformanceTest V9
CPU Mark: 1,843
Thread: 1,046

^%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 Athlon II X2 255

Integer Math	3,518 MOps/Sec
Floating Point Math	2,547 MOps/Sec
Find Prime Numbers	6 Million Primes/Sec
Random String Sorting	3,281 Thousand Strings/Sec
Data Encryption	322.6 MBytes/Sec
Data Compression	26,354 KBytes/Sec
Physics	106 Frames/Sec
Extended Instructions	623 Million Matrices/Sec
Single Thread	1,235 MOps/Sec

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

CPU Mark Distribution for AMD Athlon II X2 255

Submitted Baseline Distribution Graph as of 12th of February 2026

From submitted results since PerformanceTest V10 as of 12th 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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Pricing History

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		23,700
AMD Ryzen 5 5600X		21,844
Intel Core i5-12400F		19,584
Intel Core i9-9900K @ 3.60GHz		18,082
AMD Ryzen 5 3600		17,678
Apple M2 8 Core 3500 MHz		15,643
Apple M1 8 Core 3200 MHz		14,133
AMD Athlon II X2 255		1,210

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
AMD Athlon II X2 255		96.38
Intel Core i9-9900K @ 3.60GHz		60.59
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		2,913
AMD Ryzen 5 3600		2,560
AMD Athlon II X2 255		1,235

Last 5 Baselines for AMD Athlon II X2 255
Most recent listed first
Baseline	CPU Mark
BL3084347 - Nov 26 2025		1371
BL3041079 - Nov 10 2025		1154
BL2876115 - Aug 31 2025		1141
BL2661748 - May 30 2025		1151
BL2651697 - May 26 2025		1314

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

Popular comparisons for AMD Athlon II X2 255
As of 18th of February 2026 - Higher results represent better performance
Processor	Average CPU Mark
AMD Athlon II X2 255		1,210
AMD Phenom II X2 555 vs AMD Athlon II X2 255		1,312 (+8.5%)
AMD Athlon II X2 260 vs AMD Athlon II X2 255		1,252 (+3.5%)
Intel Pentium E5700 @ 3.00GHz vs AMD Athlon II X2 255		1,095 (-9.4%)
Intel Pentium G620 @ 2.60GHz vs AMD Athlon II X2 255		1,240 (+2.5%)
Intel Core2 Duo E6750 @ 2.66GHz vs AMD Athlon II X2 255		1,027 (-15.1%)
AMD Athlon 7550 Dual-Core vs AMD Athlon II X2 255		977 (-19.2%)
AMD Athlon II X2 265 vs AMD Athlon II X2 255		1,324 (+9.5%)
Intel Celeron G540 @ 2.50GHz vs AMD Athlon II X2 255		1,182 (-2.3%)
AMD Phenom 8600B Triple-Core vs AMD Athlon II X2 255		1,464 (+21.0%)
Intel Celeron G1610T @ 2.30GHz vs AMD Athlon II X2 255		1,312 (+8.5%)
Intel Core2 Duo E6600 @ 2.40GHz vs AMD Athlon II X2 255		938 (-22.4%)
Intel Core2 Duo E6550 @ 2.33GHz vs AMD Athlon II X2 255		904 (-25.2%)

Is the AMD Athlon II X2 255 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		12,433
AMD Ryzen 7 9800X3D		12,123
AMD Ryzen 9 9950X3D		11,258
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 Athlon II X2 255		267

CPU Benchmarks

CPU Benchmarks

AMD Athlon II X2 255

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CPU Test Suite Average Results for AMD Athlon II X2 255

CPU Mark Distribution for AMD Athlon II X2 255

Pricing History