Athlon II M340 vs Celeron N2840

Primary details

Comparing Celeron N2840 and Athlon II M340 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	2869
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	AMD Athlon II
Power efficiency	no data	1.38
Architecture codename	Bay Trail-M (2013−2014)	Caspian (2009)
Release date	22 May 2014 (10 years ago)	10 September 2009 (15 years ago)

Detailed specifications

Celeron N2840 and Athlon II M340 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)	2 (Dual-core)
Threads	2	2
Base clock speed	2.16 GHz	no data
Boost clock speed	2.58 GHz	2.2 GHz
Bus rate	no data	3200 MHz
L1 cache	56K (per core)	128 KB
L2 cache	512K (per core)	1 MB
L3 cache	0 KB	no data
Chip lithography	22 nm	45 nm
Maximum core temperature	100 °C	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron N2840 and Athlon II M340 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	no data
Socket	FCBGA1170	Socket S1 (S1g3)
Power consumption (TDP)	7.5 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron N2840 and Athlon II M340. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	MMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualization
PowerNow	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Smart Connect	+	no data

Security technologies

Celeron N2840 and Athlon II M340 technologies aimed at improving security, for example, by protecting against hacks.

EDB	+	no data
Secure Key	+	no data
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron N2840 and Athlon II M340 are enumerated here.

VT-d	-	no data
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron N2840 and Athlon II M340. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR2
Maximum memory size	8 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21.32 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Intel Atom® Processor Z3700 Series	no data
Quick Sync Video	+	-
Graphics max frequency	792 MHz	no data

Graphics interfaces

Available interfaces and connections of Celeron N2840 and Athlon II M340 integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Celeron N2840 and Athlon II M340.

PCIe version	2.0	no data
PCI Express lanes	4	no data
USB revision	3.0 and 2.0	no data
Total number of SATA ports	2	no data
Number of USB ports	5	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.

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Pros & cons summary

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Recency	22 May 2014	10 September 2009
Chip lithography	22 nm	45 nm
Power consumption (TDP)	7 Watt	35 Watt

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