Opteron 140 vs Athlon II X2 255

Place in the ranking	2664	3153
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.02	no data
Market segment	Desktop processor	Server
Power efficiency	1.08	0.28
Architecture codename	Regor (2009−2013)	SledgeHammer (2003−2005)
Release date	25 January 2010 (14 years ago)	September 2003 (21 year ago)
Launch price (MSRP)	$60	$596

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Athlon II X2 255 and Opteron 140 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	2 (Dual-core)	1 (Single-Core)
Threads	2	1
Base clock speed	3.1 GHz	no data
Boost clock speed	3.1 GHz	1.4 GHz
L1 cache	128 KB	128 KB
L2 cache	1 MB	1 MB
L3 cache	0 KB	0 KB
Chip lithography	45 nm	130 nm
Die size	117 mm²	193 mm²
Number of transistors	410 million	106 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Athlon II X2 255 and Opteron 140 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	1
Socket	AM3	940
Power consumption (TDP)	65 Watt	85 Watt

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X2 255 and Opteron 140. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

no data

Peripherals

Specifications and connection of peripherals supported by Athlon II X2 255 and Opteron 140.

PCIe version

2.0

no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Athlon II X2 255 0.74
+196%

Opteron 140 0.25

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Athlon II X2 255 1175
+197%

Opteron 140 396

Gaming performance

Pros & cons summary

Performance score	0.74	0.25
Physical cores	2	1
Threads	2	1
Chip lithography	45 nm	130 nm
Power consumption (TDP)	65 Watt	85 Watt

Athlon II X2 255 has a 196% higher aggregate performance score, 100% more physical cores and 100% more threads, a 188.9% more advanced lithography process, and 30.8% lower power consumption.

The Athlon II X2 255 is our recommended choice as it beats the Opteron 140 in performance tests.

Note that Athlon II X2 255 is a desktop processor while Opteron 140 is a server/workstation one.

Should you still have questions on choice between Athlon II X2 255 and Opteron 140, ask them in Comments section, and we shall answer.