Intel Atom C2558 vs Intel Celeron B820

Comparative analysis of Intel Atom C2558 and Intel Celeron B820 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Atom C2558

Intel Celeron B820

Differences

Reasons to consider the Intel Atom C2558

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
4x more maximum memory size: 64 GB vs 16 GB
2.3x lower typical power consumption: 15 Watt vs 35 Watt
Around 78% better performance in PassMark - CPU mark: 1424 vs 802

Specifications (specs)
Number of cores	4 vs 2
Number of threads	4 vs 2
Manufacturing process technology	22 nm vs 32 nm
Maximum memory size	64 GB vs 16 GB
Thermal Design Power (TDP)	15 Watt vs 35 Watt
Benchmarks
PassMark - CPU mark	1424 vs 802

Reasons to consider the Intel Celeron B820

Around 46% better performance in PassMark - Single thread mark: 749 vs 512

Benchmarks
PassMark - Single thread mark	749 vs 512

Compare benchmarks

CPU 1: Intel Atom C2558
CPU 2: Intel Celeron B820

PassMark - Single thread mark

CPU 1

CPU 2

512

749

PassMark - CPU mark

CPU 1

CPU 2

1424

802

Name	Intel Atom C2558	Intel Celeron B820
PassMark - Single thread mark	512	749
PassMark - CPU mark	1424	802
Geekbench 4 - Single Core		290
Geekbench 4 - Multi-Core		508

Compare specifications (specs)

	Intel Atom C2558	Intel Celeron B820
Essentials
Architecture codename	Rangeley	Sandy Bridge
Launch date	Q3'13	31 July 2011
Place in performance rating	2917	2921
Processor Number	C2558	B820
Series	Intel® Atom™ Processor C Series	Legacy Intel® Celeron® Processor
Status	Launched	Launched
Vertical segment	Embedded	Mobile
Launch price (MSRP)		$86
Price now		$39.29
Value for money (0-100)		10.70
Performance
64 bit support
Base frequency	2.40 GHz	1.70 GHz
Manufacturing process technology	22 nm	32 nm
Number of cores	4	2
Number of threads	4	2
Bus Speed		5 GT/s DMI
Die size		131 mm
L1 cache		128 KB
L2 cache		512 KB
L3 cache		2048 KB
Maximum core temperature		100 °C
Maximum frequency		1.7 GHz
Transistor count		504 million
Memory
Max memory channels	2	2
Maximum memory size	64 GB	16 GB
Supported memory types	DDR3/DDR3L 1600	DDR3 1066/1333
Maximum memory bandwidth		21.3 GB/s
Compatibility
Low Halogen Options Available
Package Size	34 mm x 28 mm	37.5mmx37.5mm (rPGA988B)
Sockets supported	FCBGA1283	FCPGA988
Thermal Design Power (TDP)	15 Watt	35 Watt
Max number of CPUs in a configuration		1
Peripherals
Integrated LAN
Max number of PCIe lanes	16	16
Max number of SATA 6 Gb/s Ports	2
Number of USB ports	4
PCI Express revision	2	2.0
PCIe configurations	x1,x2,x4,x8,x16	1x16, 2x8, 1x8 2x4
Total number of SATA ports	6
UART
USB revision	2
Security & Reliability
Execute Disable Bit (EDB)
Anti-Theft technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Integrated Intel® QuickAssist Technology
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE)	36-bit
4G WiMAX Wireless
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions		Intel® SSE4.1, Intel® SSE4.2
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® My WiFi technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® VT-x with Extended Page Tables (EPT)
Intel® Virtualization Technology for Directed I/O (VT-d)
Graphics
Graphics base frequency		650 MHz
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
Processor graphics		Intel HD Graphics
Graphics interfaces
CRT
DisplayPort
eDP
HDMI
Number of displays supported		2
SDVO
Wireless Display (WiDi) support