Intel Atom Z3735D vs Intel Celeron B840

Comparative analysis of Intel Atom Z3735D and Intel Celeron B840 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Compatibility, Advanced Technologies, Virtualization, Graphics interfaces, Peripherals, Security & Reliability. 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.

Intel Atom Z3735D

Intel Celeron B840

Differences

Reasons to consider the Intel Atom Z3735D

2 more cores, run more applications at once: 4 vs 2
2 more threads: 4 vs 2
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm

Number of cores	4 vs 2
Number of threads	4 vs 2
Manufacturing process technology	22 nm vs 32 nm

Reasons to consider the Intel Celeron B840

Around 4% higher clock speed: 1.9 GHz vs 1.83 GHz
8x more maximum memory size: 16 GB vs 2 GB
Around 62% better performance in PassMark - Single thread mark: 882 vs 544
Around 37% better performance in PassMark - CPU mark: 967 vs 704

Specifications (specs)
Maximum frequency	1.9 GHz vs 1.83 GHz
Maximum memory size	16 GB vs 2 GB
Benchmarks
PassMark - Single thread mark	882 vs 544
PassMark - CPU mark	967 vs 704

Compare benchmarks

CPU 1: Intel Atom Z3735D
CPU 2: Intel Celeron B840

PassMark - Single thread mark

CPU 1

CPU 2

544

882

PassMark - CPU mark

CPU 1

CPU 2

704

967

Name	Intel Atom Z3735D	Intel Celeron B840
PassMark - Single thread mark	544	882
PassMark - CPU mark	704	967
GFXBench 4.0 - T-Rex (Frames)	959
GFXBench 4.0 - T-Rex (Fps)	959
Geekbench 4 - Single Core		345
Geekbench 4 - Multi-Core		619

Compare specifications (specs)

	Intel Atom Z3735D	Intel Celeron B840
Essentials
Architecture codename	Bay Trail	Sandy Bridge
Launch date	Q1'14	15 March 2011
Place in performance rating	2797	2788
Processor Number	Z3735D	B840
Series	Intel® Atom™ Processor Z Series	Legacy Intel® Celeron® Processor
Status	Launched	Launched
Vertical segment	Mobile	Mobile
Launch price (MSRP)		$86
Performance
64 bit support
Base frequency	1.33 GHz	1.90 GHz
Manufacturing process technology	22 nm	32 nm
Maximum frequency	1.83 GHz	1.9 GHz
Number of cores	4	2
Number of threads	4	2
Bus Speed		5 GT/s DMI
Die size		131 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		2048 KB
Maximum core temperature		100C
Transistor count		504 million
Memory
Max memory channels	1	2
Maximum memory bandwidth	10.6 GB/s	21.3 GB/s
Maximum memory size	2 GB	16 GB
Supported memory types	DDR3L-RS 1333	DDR3 1066/1333
Graphics
Graphics base frequency	311 MHz	650 MHz
Graphics max frequency	646 MHz	1 GHz
Processor graphics	Intel HD Graphics	Intel HD Graphics
Graphics max dynamic frequency		1.00 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Compatibility
Low Halogen Options Available
Package Size	17mm x 17mm	37.5mm x 37.5mm (rPGA988B)
Scenario Design Power (SDP)	2.2 W
Max number of CPUs in a configuration		1
Sockets supported		FCPGA988
Thermal Design Power (TDP)		35 Watt
Advanced Technologies
Intel 64
4G WiMAX Wireless
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® My WiFi technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Graphics interfaces
CRT
DisplayPort
eDP
HDMI
Number of displays supported		2
SDVO
Wireless Display (WiDi) support
Peripherals
Max number of PCIe lanes		16
PCI Express revision		2.0
PCIe configurations		1x16, 2x8, 1x8 2x4
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)