Celeron N2815 vs Atom Z3740

Place in the ranking	3027	3111
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	no data	Intel Celeron
Power efficiency	18.58	3.94
Architecture codename	Bay Trail-T (2013−2014)	Bay Trail-M (2013−2014)
Release date	27 September 2013 (11 years ago)	1 December 2013 (11 years ago)
Launch price (MSRP)	$32	$107

Detailed specifications

Atom Z3740 and Celeron N2815 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	4 (Quad-Core)	2 (Dual-core)
Threads	4	2
Base clock speed	1.33 GHz	1.86 GHz
Boost clock speed	1.86 GHz	2.13 GHz
L1 cache	64K (per core)	112 KB
L2 cache	512K (per core)	1 MB
L3 cache	0 KB	1 MB
Chip lithography	22 nm	22 nm
Maximum core temperature	90 °C	105 °C
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Atom Z3740 and Celeron N2815 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	UTFCBGA1380	FCBGA1170
Power consumption (TDP)	2 Watt	7.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z3740 and Celeron N2815. You'll probably need this information if you require some particular technology.

AES-NI	+	-
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	no data	-
Hyper-Threading Technology	no data	-
Idle States	no data	+
Smart Connect	no data	+
RST	no data	-

Security technologies

Atom Z3740 and Celeron N2815 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z3740 and Celeron N2815 are enumerated here.

VT-d	no data	-
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z3740 and Celeron N2815. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3L-1066
Maximum memory size	4 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	17.1 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	Intel HD Graphics for Intel Atom Processor Z3700 Series
Quick Sync Video	+	-
Clear Video HD	+	-
Graphics max frequency	667 MHz	756 MHz

Graphics interfaces

Available interfaces and connections of Atom Z3740 and Celeron N2815 integrated GPUs.

Number of displays supported

no data

Peripherals

Specifications and connection of peripherals supported by Atom Z3740 and Celeron N2815.

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

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.

Atom Z3740 0.39
+25.8%

Celeron N2815 0.31

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.

Atom Z3740 621
+25.5%

Celeron N2815 495

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.

Atom Z3740 963

Celeron N2815 1068
+10.9%

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.

Atom Z3740 3380
+65.8%

Celeron N2815 2038

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Atom Z3740 29
+99.3%

Celeron N2815 57.8

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Atom Z3740 0.7
+630%

Celeron N2815 0.1

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

Atom Z3740 1569
+164%

Celeron N2815 594