Intel Atom Z3745 vs Intel Celeron N2940

Comparative analysis of Intel Atom Z3745 and Intel Celeron N2940 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics interfaces. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Atom Z3745

Intel Celeron N2940

Differences

Reasons to consider the Intel Celeron N2940

Around 21% higher clock speed: 2.25 GHz vs 1.86 GHz
Around 11% higher maximum core temperature: 100°C vs 90°C
2x more maximum memory size: 8 GB vs 4 GB
Around 39% better performance in PassMark - Single thread mark: 605 vs 435
Around 67% better performance in PassMark - CPU mark: 1037 vs 621
2.8x better performance in GFXBench 4.0 - T-Rex (Frames): 1298 vs 462
2.8x better performance in GFXBench 4.0 - T-Rex (Fps): 1298 vs 462

Specifications (specs)
Maximum frequency	2.25 GHz vs 1.86 GHz
Maximum core temperature	100°C vs 90°C
Maximum memory size	8 GB vs 4 GB
Benchmarks
PassMark - Single thread mark	605 vs 435
PassMark - CPU mark	1037 vs 621
GFXBench 4.0 - T-Rex (Frames)	1298 vs 462
GFXBench 4.0 - T-Rex (Fps)	1298 vs 462

Compare benchmarks

CPU 1: Intel Atom Z3745
CPU 2: Intel Celeron N2940

PassMark - Single thread mark

CPU 1

CPU 2

435

605

PassMark - CPU mark

CPU 1

CPU 2

621

1037

GFXBench 4.0 - T-Rex (Frames)

CPU 1

CPU 2

462

1298

GFXBench 4.0 - T-Rex (Fps)

CPU 1

CPU 2

462

1298

Name	Intel Atom Z3745	Intel Celeron N2940
PassMark - Single thread mark	435	605
PassMark - CPU mark	621	1037
GFXBench 4.0 - T-Rex (Frames)	462	1298
GFXBench 4.0 - T-Rex (Fps)	462	1298
Geekbench 4 - Single Core		199
Geekbench 4 - Multi-Core		632
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		1.144
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		7.897
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.116
CompuBench 1.5 Desktop - Video Composition (Frames/s)		0.47
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		1.471

Compare specifications (specs)

	Intel Atom Z3745	Intel Celeron N2940
Essentials
Architecture codename	Bay Trail	Bay Trail
Launch date	Q1'14	22 May 2014
Place in performance rating	3147	3148
Processor Number	Z3745	N2940
Series	Intel® Atom™ Processor Z Series	Intel® Celeron® Processor N Series
Status	Launched	Launched
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	1.33 GHz	1.83 GHz
Manufacturing process technology	22 nm	22 nm
Maximum core temperature	90°C	100°C
Maximum frequency	1.86 GHz	2.25 GHz
Number of cores	4	4
Number of threads	4	4
L1 cache		224 KB
L2 cache		2 MB
Memory
Max memory channels	2	2
Maximum memory bandwidth	17.1 GB/s	21.32 GB/s
Maximum memory size	4 GB	8 GB
Supported memory types	LPDDR3 1066	DDR3L 1333
Graphics
Graphics base frequency	311 MHz	313 MHz
Graphics max frequency	778 MHz	854 MHz
Processor graphics	Intel HD Graphics	Intel HD Graphics
Graphics max dynamic frequency		854 MHz
Intel® Clear Video HD technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Compatibility
Low Halogen Options Available
Package Size	17mm x 17mm	25mm x 27mm
Scenario Design Power (SDP)	2 W	4.5 W
Sockets supported	UTFCBGA1380	FCBGA1170
Max number of CPUs in a configuration		1
Thermal Design Power (TDP)		7.5 Watt
Peripherals
USB revision	2.0/3.0	3.0 and 2.0
Max number of PCIe lanes		4
Number of USB ports		5
PCI Express revision		2.0
PCIe configurations		1x4
Total number of SATA ports		2
Security & Reliability
Intel® Identity Protection technology
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Secure Key technology
Advanced Technologies
Intel 64
Intel® AES New Instructions
Enhanced Intel SpeedStep® technology
Idle States
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Smart Connect
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Graphics interfaces
Number of displays supported		2
Wireless Display (WiDi) support