Phenom II X4 945 (125W) vs Celeron N2840

Primary details

Comparing Celeron N2840 and Phenom II X4 945 (125W) processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Celeron	no data
Architecture codename	Bay Trail-M (2013−2014)	Deneb (2009−2011)
Release date	22 May 2014 (10 years ago)	23 April 2009 (15 years ago)

Detailed specifications

Celeron N2840 and Phenom II X4 945 (125W) 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)	4 (Quad-Core)
Threads	2	4
Base clock speed	2.16 GHz	3 GHz
Boost clock speed	2.58 GHz	3 GHz
L1 cache	56K (per core)	128 KB (per core)
L2 cache	512K (per core)	512 KB (per core)
L3 cache	0 KB	6 MB (shared)
Chip lithography	22 nm	45 nm
Die size	no data	258 mm2
Maximum core temperature	100 °C	no data
Number of transistors	no data	758 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron N2840 and Phenom II X4 945 (125W) 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	FCBGA1170	AM3
Power consumption (TDP)	7.5 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron N2840 and Phenom II X4 945 (125W). You'll probably need this information if you require some particular technology.

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 Phenom II X4 945 (125W) 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 Phenom II X4 945 (125W) are enumerated here.

AMD-V	-	+
VT-d	-	no data
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron N2840 and Phenom II X4 945 (125W). Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
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	On certain motherboards (Chipset feature)
Quick Sync Video	+	-
Graphics max frequency	792 MHz	no data

Graphics interfaces

Available interfaces and connections of Celeron N2840 and Phenom II X4 945 (125W) integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Celeron N2840 and Phenom II X4 945 (125W).

PCIe version	2.0	2.0
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

Pros & cons summary

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Recency	22 May 2014	23 April 2009
Physical cores	2	4
Threads	2	4
Chip lithography	22 nm	45 nm
Power consumption (TDP)	7 Watt	125 Watt

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Should you still have questions on choice between Celeron N2840 and Phenom II X4 945 (125W), ask them in Comments section, and we shall answer.

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