Intel Core i7-840QM vs Intel Celeron Dual-Core T1600

Comparative analysis of Intel Core i7-840QM and Intel Celeron Dual-Core T1600 processors for all known characteristics in the following categories: Essentials, Performance, Memory, 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 Core i7-840QM

Intel Celeron Dual-Core T1600

Differences

Reasons to consider the Intel Core i7-840QM

CPU is newer: launch date 2 year(s) 1 month(s) later
2 more cores, run more applications at once: 4 vs 2
6 more threads: 8 vs 2
Around 93% higher clock speed: 3.20 GHz vs 1.66 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
Around 81% better performance in PassMark - Single thread mark: 1138 vs 629
3.5x better performance in PassMark - CPU mark: 1952 vs 551

Specifications (specs)
Launch date	1 June 2010 vs 1 May 2008
Number of cores	4 vs 2
Number of threads	8 vs 2
Maximum frequency	3.20 GHz vs 1.66 GHz
Manufacturing process technology	45 nm vs 65 nm
Benchmarks
PassMark - Single thread mark	1138 vs 629
PassMark - CPU mark	1952 vs 551

Reasons to consider the Intel Celeron Dual-Core T1600

Around 29% lower typical power consumption: 35 Watt vs 45 Watt
2.4x better performance in Geekbench 4 - Single Core: 971 vs 398
Around 20% better performance in Geekbench 4 - Multi-Core: 1542 vs 1289

Specifications (specs)
Thermal Design Power (TDP)	35 Watt vs 45 Watt
Benchmarks
Geekbench 4 - Single Core	971 vs 398
Geekbench 4 - Multi-Core	1542 vs 1289

Compare benchmarks

CPU 1: Intel Core i7-840QM
CPU 2: Intel Celeron Dual-Core T1600

PassMark - Single thread mark

CPU 1

CPU 2

1138

629

PassMark - CPU mark

CPU 1

CPU 2

1952

551

Geekbench 4 - Single Core

CPU 1

CPU 2

398

971

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1289

1542

Name	Intel Core i7-840QM	Intel Celeron Dual-Core T1600
PassMark - Single thread mark	1138	629
PassMark - CPU mark	1952	551
Geekbench 4 - Single Core	398	971
Geekbench 4 - Multi-Core	1289	1542

Compare specifications (specs)

	Intel Core i7-840QM	Intel Celeron Dual-Core T1600
Essentials
Architecture codename	Clarksfield	Merom
Launch date	1 June 2010	1 May 2008
Launch price (MSRP)	$568
Place in performance rating	2502	2505
Price now	$289.97
Processor Number	i7-840QM	T1600
Series	Legacy Intel® Core™ Processors	Legacy Intel® Celeron® Processor
Status	Discontinued	Discontinued
Value for money (0-100)	3.46
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	1.86 GHz	1.66 GHz
Bus Speed	2.5 GT/s DMI	667 MHz FSB
Die size	296 mm2	143 mm2
Front-side bus (FSB)	2500 MHz	667 MHz
L1 cache	256 KB
L2 cache	1 MB	1024 KB
L3 cache	8 MB
Manufacturing process technology	45 nm	65 nm
Maximum core temperature	100°C	100°C
Maximum frequency	3.20 GHz	1.66 GHz
Number of cores	4	2
Number of threads	8	2
Transistor count	774 million	291 million
VID voltage range		1.075V-1.175V
Memory
Max memory channels	2
Maximum memory bandwidth	21 GB/s
Maximum memory size	8 GB
Supported memory types	DDR3 1066/1333
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1
Package Size	37.5mm x 37.5mm	35mm x 35mm
Sockets supported	PGA988	PPGA478
Thermal Design Power (TDP)	45 Watt	35 Watt
Peripherals
Max number of PCIe lanes	16
PCI Express revision	2
PCIe configurations	1x16, 2x8
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)	36-bit
Thermal Monitoring
Intel® Demand Based Switching
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)