Atom Z3740 vs Celeron 2955U

Primary details

Comparing Celeron 2955U and Atom Z3740 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2790	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	no data
Architecture codename	Haswell (2013−2015)	Bay Trail-T (2013−2014)
Release date	1 October 2013 (10 years ago)	27 September 2013 (10 years ago)
Launch price (MSRP)	no data	$32

Detailed specifications

Celeron 2955U and Atom Z3740 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	1.4 GHz	1.33 GHz
Boost clock speed	1.4 GHz	1.86 GHz
Bus rate	5 GT/s	no data
L1 cache	128 KB	64K (per core)
L2 cache	512 KB	512K (per core)
L3 cache	2 MB	0 KB
Chip lithography	22 nm	22 nm
Die size	118 mm2	no data
Maximum core temperature	100 °C	90 °C
Maximum case temperature (TCase)	105 °C	no data
Number of transistors	1,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron 2955U and Atom Z3740 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	FCBGA1168	UTFCBGA1380
Power consumption (TDP)	15 Watt	2 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 2955U and Atom Z3740. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
AES-NI	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Smart Response	-	no data
GPIO	+	no data
Smart Connect	+	no data
FDI	-	no data
AMT	9.5	no data
Matrix Storage	-	no data
Status	Discontinued	Discontinued
HD Audio	+	no data
RST	+	no data

Security technologies

Celeron 2955U and Atom Z3740 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data
Secure Key	+	+
Identity Protection	-	+
OS Guard	-	no data
Anti-Theft	-	+

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 2955U and Atom Z3740 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 2955U and Atom Z3740. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	16 GB	4 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	17.1 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 4th Generation Intel® Processors	Intel® HD Graphics for Intel Atom® Processor Z3700 Series
Quick Sync Video	-	+
Clear Video	+	no data
Clear Video HD	no data	+
Graphics max frequency	1 GHz	667 MHz

Graphics interfaces

Available interfaces and connections of Celeron 2955U and Atom Z3740 integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-

Peripherals

Specifications and connection of peripherals supported by Celeron 2955U and Atom Z3740.

PCIe version	2.0	no data
PCI Express lanes	10	no data
PCI support	-	no data
USB revision	3.0	no data
Total number of SATA ports	2	no data
Max number of SATA 6 Gb/s Ports	2	no data
Integrated IDE	-	no data
Number of USB ports	4	no data
Integrated LAN	-	no data
UART	+	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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Physical cores	2	4
Threads	2	4
Power consumption (TDP)	15 Watt	2 Watt

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Should you still have questions on choice between Celeron 2955U and Atom Z3740, ask them in Comments section, and we shall answer.

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