Core i3-2340UE vs Celeron B840

General info

Comparing Celeron B840 and Core i3-2340UE processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2605	2631
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	Intel Core i3
Architecture codename	Sandy Bridge (2011−2013)	Sandy Bridge (2011−2013)
Release date	1 July 2011 (12 years ago)	1 June 2011 (12 years ago)
Launch price (MSRP)	$86	$250
Current price	$133 (1.5x MSRP)	no data

Technical specs

Celeron B840 and Core i3-2340UE 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	4
Base clock speed	1.9 GHz	no data
Boost clock speed	1.9 GHz	1.3 GHz
Bus support	no data	4 × 5 GT/s
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	256K (per core)
L3 cache	2 MB (shared)	3 MB (shared)
Chip lithography	32 nm	32 nm
Die size	131 mm2	149 mm2
Maximum core temperature	100 °C	no data
Number of transistors	504 million	624 million
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Celeron B840 and Core i3-2340UE 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 (Uniprocessor)
Socket	FCPGA988,PGA988	Intel BGA1023
Power consumption (TDP)	35 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron B840 and Core i3-2340UE. You'll probably need this information if you require some particular technology.

AES-NI	-	no data
FMA	+	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	+
My WiFi	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	no data
Flex Memory Access	+	no data
Demand Based Switching	-	no data
FDI	+	no data
Fast Memory Access	+	no data
Status	Discontinued	no data

Security technologies

Celeron B840 and Core i3-2340UE technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron B840 and Core i3-2340UE are enumerated here.

VT-d	-	no data
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron B840 and Core i3-2340UE. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	16 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	21.3 GB/s	21.335 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 2nd Generation Intel® Processors	Intel HD Graphics 3000
Graphics max frequency	1 GHz	no data

Graphics interfaces

Available interfaces and connections of Celeron B840 and Core i3-2340UE integrated GPUs.

Number of displays supported	2	no data
eDP	+	no data
DisplayPort	+	no data
HDMI	+	no data
SDVO	+	no data
CRT	+	no data

Peripherals

Specifications and connection of peripherals supported by Celeron B840 and Core i3-2340UE.

PCIe version	2.0	no data
PCI Express lanes	16	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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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 B840 outperforms Core i3-2340UE by 5% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	0.66	0.63
Threads	2	4
Cost	$86	$250
Power consumption (TDP)	35 Watt	17 Watt

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Should you still have questions on choice between Celeron B840 and Core i3-2340UE, ask them in Comments section, and we shall answer.

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