Intel Celeron 2981U vs Intel Atom E3827

Comparative analysis of Intel Celeron 2981U and Intel Atom E3827 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

Intel Celeron 2981U

Intel Atom E3827

Differences

Reasons to consider the Intel Celeron 2981U

CPU is newer: launch date 3 month(s) later
Around -350% higher maximum core temperature: 100°C vs -40°C to 110°C
2x more maximum memory size: 16 GB vs 8 GB
Around 92% better performance in PassMark - Single thread mark: 899 vs 468
2.2x better performance in PassMark - CPU mark: 1036 vs 463

Specifications (specs)
Launch date	1 January 2014 vs October 2013
Maximum core temperature	100°C vs -40°C to 110°C
Maximum memory size	16 GB vs 8 GB
Benchmarks
PassMark - Single thread mark	899 vs 468
PassMark - CPU mark	1036 vs 463

Reasons to consider the Intel Atom E3827

Around 9% higher clock speed: 1.75 GHz vs 1.6 GHz
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 88% lower typical power consumption: 8 Watt vs 15 Watt

Maximum frequency	1.75 GHz vs 1.6 GHz
L2 cache	512 KB (per core) vs 512 KB
Thermal Design Power (TDP)	8 Watt vs 15 Watt

Compare benchmarks

CPU 1: Intel Celeron 2981U
CPU 2: Intel Atom E3827

PassMark - Single thread mark

CPU 1

CPU 2

899

468

PassMark - CPU mark

CPU 1

CPU 2

1036

463

Name	Intel Celeron 2981U	Intel Atom E3827
PassMark - Single thread mark	899	468
PassMark - CPU mark	1036	463
Geekbench 4 - Single Core		932
Geekbench 4 - Multi-Core		1542
GFXBench 4.0 - T-Rex (Frames)		1653
GFXBench 4.0 - T-Rex (Fps)		1653

Compare specifications (specs)

	Intel Celeron 2981U	Intel Atom E3827
Essentials
Architecture codename	Haswell	Bay Trail
Launch date	1 January 2014	October 2013
Place in performance rating	2415	2417
Processor Number	2981U	E3827
Series	Intel® Celeron® Processor 2000 Series	Intel® Atom™ Processor E Series
Status	Launched	Launched
Vertical segment	Mobile	Embedded
Performance
64 bit support
Base frequency	1.60 GHz	1.75 GHz
Bus Speed	5 GT/s DMI2
L1 cache	128 KB	64 KB (per core)
L2 cache	512 KB	512 KB (per core)
L3 cache	2 MB
Manufacturing process technology	22 nm	22 nm
Maximum core temperature	100°C	-40°C to 110°C
Maximum frequency	1.6 GHz	1.75 GHz
Number of cores	2	2
Number of threads	2	2
Memory
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s
Maximum memory size	16 GB	8 GB
Supported memory types	DDR3L 1333/1600, LPDDR3 1333/1600	DDR3L 1333
ECC memory support
Graphics
Graphics base frequency	200 MHz	542 MHz
Graphics max dynamic frequency	1.00 GHz
Graphics max frequency	1 GHz	792 MHz
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® Quick Sync Video
Processor graphics	Intel HD Graphics	Intel HD Graphics
Graphics interfaces
DisplayPort
eDP
HDMI
Number of displays supported	3	2
Wireless Display (WiDi) support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	40mm x 24mm x 1.5mm	25mm x 27mm
Sockets supported	BGA	FCBGA1170
Thermal Design Power (TDP)	15 Watt	8 Watt
Peripherals
Integrated IDE
Integrated LAN
Max number of PCIe lanes	12	4
Max number of SATA 6 Gb/s Ports	2
Number of USB ports	4
PCI Express revision	2.0	2.0
PCI support
PCIe configurations	4x1, 2x4	x4, x2, x1
Total number of SATA ports	2	2
UART
USB revision	3.0	2.0, 3.0
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
General-Purpose Input/Output (GPIO)
HD Audio
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2
Intel 64
Intel® Active Management technology (AMT)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® ME Firmware Version	9.5
Intel® Rapid Storage technology (RST)
Intel® Smart Response technology
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Matrix Storage
Smart Connect
Thermal Monitoring
Virtualization
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)