Intel Core i7-940XM vs Intel Core 2 Duo T5670

Comparative analysis of Intel Core i7-940XM and Intel Core 2 Duo T5670 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 i7-940XM

Intel Core 2 Duo T5670

Differences

Reasons to consider the Intel Core i7-940XM

CPU is newer: launch date 2 year(s) 3 month(s) later
2 more cores, run more applications at once: 4 vs 2
6 more threads: 8 vs 2
Around 85% higher clock speed: 3.33 GHz vs 1.8 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 65 nm
Around 71% better performance in PassMark - Single thread mark: 1139 vs 666
3.7x better performance in PassMark - CPU mark: 2209 vs 590

Specifications (specs)
Launch date	1 June 2010 vs 1 March 2008
Number of cores	4 vs 2
Number of threads	8 vs 2
Maximum frequency	3.33 GHz vs 1.8 GHz
Manufacturing process technology	45 nm vs 65 nm
Benchmarks
PassMark - Single thread mark	1139 vs 666
PassMark - CPU mark	2209 vs 590

Reasons to consider the Intel Core 2 Duo T5670

2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 57% lower typical power consumption: 35 Watt vs 55 Watt
2.1x better performance in Geekbench 4 - Single Core: 1097 vs 516

Specifications (specs)
L2 cache	2048 KB vs 1024 KB
Thermal Design Power (TDP)	35 Watt vs 55 Watt
Benchmarks
Geekbench 4 - Single Core	1097 vs 516
Geekbench 4 - Multi-Core	1713 vs 1709

Compare benchmarks

CPU 1: Intel Core i7-940XM
CPU 2: Intel Core 2 Duo T5670

PassMark - Single thread mark

CPU 1

CPU 2

1139

666

PassMark - CPU mark

CPU 1

CPU 2

2209

590

Geekbench 4 - Single Core

CPU 1

CPU 2

516

1097

Geekbench 4 - Multi-Core

CPU 1

CPU 2

1709

1713

Name	Intel Core i7-940XM	Intel Core 2 Duo T5670
PassMark - Single thread mark	1139	666
PassMark - CPU mark	2209	590
Geekbench 4 - Single Core	516	1097
Geekbench 4 - Multi-Core	1709	1713

Compare specifications (specs)

	Intel Core i7-940XM	Intel Core 2 Duo T5670
Essentials
Architecture codename	Clarksfield	Merom
Launch date	1 June 2010	1 March 2008
Launch price (MSRP)	$1,096
Place in performance rating	2391	2394
Processor Number	i7-940XM	T5670
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	2.13 GHz	1.80 GHz
Bus Speed	2.5 GT/s DMI	800 MHz FSB
Die size	296 mm2	143 mm2
Front-side bus (FSB)	2500 MHz	800 MHz
L1 cache	256 KB
L2 cache	1024 KB	2048 KB
L3 cache	8196 KB
Manufacturing process technology	45 nm	65 nm
Maximum core temperature	100°C	100°C
Maximum frequency	3.33 GHz	1.8 GHz
Number of cores	4	2
Number of threads	8	2
Transistor count	774 million	291 million
VID voltage range		1.0375V-1.30V
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
Thermal Design Power (TDP)	55 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® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)	36-bit
Thermal Monitoring
FSB parity
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)