Athlon II X2 255 vs Athlon II X4 615e

Place in performance ranking	2190	2559
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.23	0.02
Market segment	Desktop processor	Desktop processor
Architecture codename	Propus (2009−2011)	Regor (2009−2013)
Release date	21 September 2010 (13 years ago)	25 January 2010 (14 years ago)
Launch price (MSRP)	$59	$60
Current price	$54 (0.9x MSRP)	$16.55 (0.3x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Athlon II X4 615e has 21050% better value for money than Athlon II X2 255.

Detailed specifications

Athlon II X4 615e and Athlon II X2 255 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	4 (Quad-Core)	2 (Dual-core)
Threads	4	2
Base clock speed	2.5 GHz	3.1 GHz
Boost clock speed	2.5 GHz	3.1 GHz
L1 cache	128 KB (per core)	128 KB
L2 cache	512 KB (per core)	1 MB
L3 cache	0 KB	0 KB
Chip lithography	45 nm	45 nm
Die size	169 mm²	117 mm²
Number of transistors	300 million	410 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Athlon II X4 615e and Athlon II X2 255 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	AM3
Power consumption (TDP)	45 Watt	65 Watt

Memory specs

Types, maximum amount and channel quantity of RAM supported by Athlon II X4 615e and Athlon II X2 255. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3

Peripherals

Specifications and connection of peripherals supported by Athlon II X4 615e and Athlon II X2 255.

PCIe version

2.0

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 X4 615e 1.29
+69.7%

Athlon II X2 255 0.76

Athlon II X4 615e outperforms Athlon II X2 255 by 70% based on our aggregate benchmark results.

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.

Benchmark coverage: 68%

Athlon II X4 615e 2000
+70.9%

Athlon II X2 255 1170

Athlon II X4 615e outperforms Athlon II X2 255 by 71% in Passmark.