Intel Celeron 2981U vs Intel Core i5-580M

Comparative analysis of Intel Celeron 2981U and Intel Core i5-580M 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.

Intel Celeron 2981U

Intel Core i5-580M

Differences

Reasons to consider the Intel Celeron 2981U

CPU is newer: launch date 3 year(s) 3 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
2x more maximum memory size: 16 GB vs 8 GB
2.3x lower typical power consumption: 15 Watt vs 35 Watt

Launch date	1 January 2014 vs 26 September 2010
Manufacturing process technology	22 nm vs 32 nm
Maximum memory size	16 GB vs 8 GB
Thermal Design Power (TDP)	15 Watt vs 35 Watt

Reasons to consider the Intel Core i5-580M

2 more threads: 4 vs 2
Around 108% higher clock speed: 3.33 GHz vs 1.6 GHz
Around 5% higher maximum core temperature: 105°C vs 100°C
Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 44% better performance in PassMark - Single thread mark: 1284 vs 892
Around 90% better performance in PassMark - CPU mark: 1951 vs 1027

Specifications (specs)
Number of threads	4 vs 2
Maximum frequency	3.33 GHz vs 1.6 GHz
Maximum core temperature	105°C vs 100°C
L3 cache	3072 KB vs 2 MB
Benchmarks
PassMark - Single thread mark	1284 vs 892
PassMark - CPU mark	1951 vs 1027

Compare benchmarks

CPU 1: Intel Celeron 2981U
CPU 2: Intel Core i5-580M

PassMark - Single thread mark

CPU 1

CPU 2

892

1284

PassMark - CPU mark

CPU 1

CPU 2

1027

1951

Name	Intel Celeron 2981U	Intel Core i5-580M
PassMark - Single thread mark	892	1284
PassMark - CPU mark	1027	1951
Geekbench 4 - Single Core		434
Geekbench 4 - Multi-Core		934

Compare specifications (specs)

	Intel Celeron 2981U	Intel Core i5-580M
Essentials
Architecture codename	Haswell	Arrandale
Launch date	1 January 2014	26 September 2010
Place in performance rating	2420	2415
Processor Number	2981U	i5-580M
Series	Intel® Celeron® Processor 2000 Series	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Vertical segment	Mobile	Mobile
Launch price (MSRP)		$266
Price now		$109.95
Value for money (0-100)		7.03
Performance
64 bit support
Base frequency	1.60 GHz	2.66 GHz
Bus Speed	5 GT/s DMI2	2.5 GT/s DMI
L1 cache	128 KB	128 KB
L2 cache	512 KB	512 KB
L3 cache	2 MB	3072 KB
Manufacturing process technology	22 nm	32 nm
Maximum core temperature	100°C	105°C
Maximum frequency	1.6 GHz	3.33 GHz
Number of cores	2	2
Number of threads	2	4
Die size		81 mm2
Front-side bus (FSB)		4800 MHz
Transistor count		382 million
Memory
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	17.1 GB/s
Maximum memory size	16 GB	8 GB
Supported memory types	DDR3L 1333/1600, LPDDR3 1333/1600	DDR3 800/1066
Graphics
Graphics base frequency	200 MHz	500 MHz
Graphics max dynamic frequency	1.00 GHz	766 MHz
Graphics max frequency	1 GHz	766 MHz
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® Quick Sync Video
Processor graphics	Intel HD Graphics	Intel HD Graphics
Intel® Clear Video HD technology
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	rPGA 37.5mmx 37.5mm, BGA 34mmx28mm
Sockets supported	BGA	BGA1288, PGA988
Thermal Design Power (TDP)	15 Watt	35 Watt
Peripherals
Integrated IDE
Integrated LAN
Max number of PCIe lanes	12	16
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	1x16
Total number of SATA ports	2
UART
USB revision	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® 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
Intel® Fast Memory Access
Intel® Flex Memory Access
Physical Address Extensions (PAE)		36-bit
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)