Athlon II P340 vs Celeron M 585

Place in the ranking	2977	2950
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron M	AMD Athlon II
Power efficiency	1.31	1.70
Architecture codename	Merom (2006−2008)	Champlain (2010−2011)
Release date	20 August 2008 (16 years ago)	4 October 2010 (14 years ago)
Launch price (MSRP)	$70	no data

Detailed specifications

Celeron M 585 and Athlon II P340 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	1 (Single-Core)	2 (Dual-core)
Threads	1	2
Boost clock speed	2.16 GHz	2.2 GHz
Bus rate	667 MHz	3200 MHz
L1 cache	no data	256 KB
L2 cache	1 MB	1 MB
Chip lithography	65 nm	45 nm
Die size	143 mm²	no data
Maximum core temperature	100 °C	no data
Number of transistors	291 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron M 585 and Athlon II P340 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.

Socket	PPGA478	S1g4
Power consumption (TDP)	31 Watt	25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron M 585 and Athlon II P340. You'll probably need this information if you require some particular technology.

Instruction set extensions

no data

SSE-3, SSE4A, 3DNow!, MMX, DEP, SVM

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.

Celeron M 585 0.43

Athlon II P340 0.45
+4.7%

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.

Celeron M 585 678

Athlon II P340 710
+4.7%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Celeron M 585 2062
+8.8%

Athlon II P340 1895

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Celeron M 585 2062

Athlon II P340 3648
+76.9%

Gaming performance

Pros & cons summary

Performance score	0.43	0.45
Recency	20 August 2008	4 October 2010
Physical cores	1	2
Threads	1	2
Chip lithography	65 nm	45 nm
Power consumption (TDP)	31 Watt	25 Watt

Athlon II P340 has a 4.7% higher aggregate performance score, an age advantage of 2 years, 100% more physical cores and 100% more threads, a 44.4% more advanced lithography process, and 24% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Celeron M 585 and Athlon II P340.

Should you still have questions on choice between Celeron M 585 and Athlon II P340, ask them in Comments section, and we shall answer.