Intel Atom N2800 vs Intel Celeron B815

Comparative analysis of Intel Atom N2800 and Intel Celeron B815 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Graphics interfaces, Peripherals. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Atom N2800

Intel Celeron B815

Differences

Reasons to consider the Intel Atom N2800

CPU is newer: launch date 1 month(s) later
2 more threads: 4 vs 2
Around 16% higher clock speed: 1.86 GHz vs 1.6 GHz
2x more L2 cache, more data can be stored in the L2 cache for quick access later
5x lower typical power consumption: 6.5 Watt vs 35 Watt
2.1x better performance in Geekbench 4 - Single Core: 590 vs 283
2.5x better performance in Geekbench 4 - Multi-Core: 1216 vs 495

Specifications (specs)
Launch date	28 December 2011 vs 1 November 2011
Number of threads	4 vs 2
Maximum frequency	1.86 GHz vs 1.6 GHz
L2 cache	1024 KB vs 256 KB (per core)
Thermal Design Power (TDP)	6.5 Watt vs 35 Watt
Benchmarks
Geekbench 4 - Single Core	590 vs 283
Geekbench 4 - Multi-Core	1216 vs 495

Reasons to consider the Intel Celeron B815

3.3x more maximum memory size: 16 GB vs 4.88 GB
2.2x better performance in PassMark - Single thread mark: 693 vs 319
Around 62% better performance in PassMark - CPU mark: 721 vs 444

Specifications (specs)
Maximum memory size	16 GB vs 4.88 GB
Benchmarks
PassMark - Single thread mark	693 vs 319
PassMark - CPU mark	721 vs 444

Compare benchmarks

CPU 1: Intel Atom N2800
CPU 2: Intel Celeron B815

PassMark - Single thread mark

CPU 1

CPU 2

319

693

PassMark - CPU mark

CPU 1

CPU 2

444

721

Geekbench 4 - Single Core

CPU 1

CPU 2

590

283

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1216

495

Name	Intel Atom N2800	Intel Celeron B815
PassMark - Single thread mark	319	693
PassMark - CPU mark	444	721
Geekbench 4 - Single Core	590	283
Geekbench 4 - Multi-Core	1216	495

Compare specifications (specs)

	Intel Atom N2800	Intel Celeron B815
Essentials
Architecture codename	Cedarview	Sandy Bridge
Launch date	28 December 2011	1 November 2011
Launch price (MSRP)	$47
Place in performance rating	2983	2961
Processor Number	N2800	B815
Series	Intel® Atom™ Processor N Series	Legacy Intel® Celeron® Processor
Status	Launched	Launched
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	1.86 GHz	1.60 GHz
Bus Speed	2.5 GT/s DMI	5 GT/s DMI
Die size	66 mm	131 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	1024 KB	256 KB (per core)
Manufacturing process technology	32 nm	32 nm
Maximum frequency	1.86 GHz	1.6 GHz
Number of cores	2	2
Number of threads	4	2
Transistor count	176 million	504 million
L3 cache		2048 KB
Maximum core temperature		100 °C
Memory
Max memory channels	1	2
Maximum memory size	4.88 GB	16 GB
Supported memory types	DDR3	DDR3 1066/1333
Maximum memory bandwidth		21.3 GB/s
Graphics
Graphics base frequency	640 MHz	650 MHz
Processor graphics	Integrated	Intel HD Graphics
Graphics max dynamic frequency		1.05 GHz
Graphics max frequency		1.05 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
Max number of CPUs in a configuration	1	1
Sockets supported	FCBGA559	FCPGA988
Thermal Design Power (TDP)	6.5 Watt	35 Watt
Package Size		37.5mmx37.5mm (rPGA988B)
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Anti-Theft technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	Intel® SSE4.1, Intel® SSE4.2
Intel 64
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
4G WiMAX Wireless
Flexible Display interface (FDI)
Idle States
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® My WiFi technology
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