Intel Celeron 2981U vs Intel Core i7-3540M

Comparative analysis of Intel Celeron 2981U and Intel Core i7-3540M 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

Intel Celeron 2981U

Intel Core i7-3540M

Differences

Reasons to consider the Intel Celeron 2981U

CPU is newer: launch date 1 year(s) 0 month(s) later
2.3x lower typical power consumption: 15 Watt vs 35 Watt

Launch date	1 January 2014 vs 1 January 2013
Thermal Design Power (TDP)	15 Watt vs 35 Watt

Reasons to consider the Intel Core i7-3540M

2 more threads: 4 vs 2
Around 131% higher clock speed: 3.70 GHz vs 1.6 GHz
Around 5% higher maximum core temperature: 105 °C vs 100°C
2x more L3 cache, more data can be stored in the L3 cache for quick access later
2x more maximum memory size: 32 GB vs 16 GB
2x better performance in PassMark - Single thread mark: 1791 vs 892
2.9x better performance in PassMark - CPU mark: 2977 vs 1027

Specifications (specs)
Number of threads	4 vs 2
Maximum frequency	3.70 GHz vs 1.6 GHz
Maximum core temperature	105 °C vs 100°C
L3 cache	4096 KB vs 2 MB
Maximum memory size	32 GB vs 16 GB
Benchmarks
PassMark - Single thread mark	1791 vs 892
PassMark - CPU mark	2977 vs 1027

Compare benchmarks

CPU 1: Intel Celeron 2981U
CPU 2: Intel Core i7-3540M

PassMark - Single thread mark

CPU 1

CPU 2

892

1791

PassMark - CPU mark

CPU 1

CPU 2

1027

2977

Name	Intel Celeron 2981U	Intel Core i7-3540M
PassMark - Single thread mark	892	1791
PassMark - CPU mark	1027	2977
Geekbench 4 - Single Core		665
Geekbench 4 - Multi-Core		1462
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		2.315
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		7.374
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.261
CompuBench 1.5 Desktop - Video Composition (Frames/s)		1.115
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		2.627
GFXBench 4.0 - T-Rex (Frames)		2389
GFXBench 4.0 - T-Rex (Fps)		2389

Compare specifications (specs)

	Intel Celeron 2981U	Intel Core i7-3540M
Essentials
Architecture codename	Haswell	Ivy Bridge
Launch date	1 January 2014	1 January 2013
Place in performance rating	2420	2421
Processor Number	2981U	i7-3540M
Series	Intel® Celeron® Processor 2000 Series	Legacy Intel® Core™ Processors
Status	Launched	Launched
Vertical segment	Mobile	Mobile
Launch price (MSRP)		$349
Price now		$429.95
Value for money (0-100)		3.19
Performance
64 bit support
Base frequency	1.60 GHz	3.00 GHz
Bus Speed	5 GT/s DMI2	5 GT/s DMI
L1 cache	128 KB	128 KB
L2 cache	512 KB	512 KB
L3 cache	2 MB	4096 KB
Manufacturing process technology	22 nm	22 nm
Maximum core temperature	100°C	105 °C
Maximum frequency	1.6 GHz	3.70 GHz
Number of cores	2	2
Number of threads	2	4
Die size		118 mm
Memory
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	25.6 GB/s
Maximum memory size	16 GB	32 GB
Supported memory types	DDR3L 1333/1600, LPDDR3 1333/1600	DDR3/L/-RS 1333/1600
Graphics
Graphics base frequency	200 MHz	650 MHz
Graphics max dynamic frequency	1.00 GHz	1.30 GHz
Graphics max frequency	1 GHz	1.3 GHz
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® Quick Sync Video
Processor graphics	Intel HD Graphics	Intel® HD Graphics 4000
Device ID		0x166
Intel® Clear Video HD technology
Intel® InTru™ 3D technology
Graphics interfaces
DisplayPort
eDP
HDMI
Number of displays supported	3	3
Wireless Display (WiDi) support
CRT
SDVO
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	40mm x 24mm x 1.5mm	37.5 x 37.5mm (rPGA988B); 31.0 x 24.0mm (BGA1023)
Sockets supported	BGA	FCBGA1023, FCPGA988
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	3.0
PCI support
PCIe configurations	4x1, 2x4	1x16, 2x8, 1x8 2x4
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® AVX
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
4G WiMAX Wireless
Intel® Advanced Vector Extensions (AVX)
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® My WiFi technology
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)