Intel Core i7-660UM vs Intel Core 2 Duo T5670

Comparative analysis of Intel Core i7-660UM and Intel Core 2 Duo T5670 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 Core i7-660UM

Intel Core 2 Duo T5670

Differences

Reasons to consider the Intel Core i7-660UM

CPU is newer: launch date 2 year(s) 6 month(s) later
2 more threads: 4 vs 2
Around 33% higher clock speed: 2.40 GHz vs 1.8 GHz
Around 5% higher maximum core temperature: 105°C vs 100°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 65 nm
Around 94% lower typical power consumption: 18 Watt vs 35 Watt
Around 36% better performance in PassMark - Single thread mark: 925 vs 682
2.1x better performance in PassMark - CPU mark: 1284 vs 616

Specifications (specs)
Launch date	1 September 2010 vs 1 March 2008
Number of threads	4 vs 2
Maximum frequency	2.40 GHz vs 1.8 GHz
Maximum core temperature	105°C vs 100°C
Manufacturing process technology	32 nm vs 65 nm
Thermal Design Power (TDP)	18 Watt vs 35 Watt
Benchmarks
PassMark - Single thread mark	925 vs 682
PassMark - CPU mark	1284 vs 616

Reasons to consider the Intel Core 2 Duo T5670

4x more L2 cache, more data can be stored in the L2 cache for quick access later

L2 cache	2048 KB vs 512 KB

Compare benchmarks

CPU 1: Intel Core i7-660UM
CPU 2: Intel Core 2 Duo T5670

PassMark - Single thread mark

CPU 1

CPU 2

925

682

PassMark - CPU mark

CPU 1

CPU 2

1284

616

Name	Intel Core i7-660UM	Intel Core 2 Duo T5670
PassMark - Single thread mark	925	682
PassMark - CPU mark	1284	616
Geekbench 4 - Single Core		1097
Geekbench 4 - Multi-Core		1713

Compare specifications (specs)

	Intel Core i7-660UM	Intel Core 2 Duo T5670
Essentials
Architecture codename	Arrandale	Merom
Launch date	1 September 2010	1 March 2008
Place in performance rating	2387	2390
Processor Number	i7-660UM	T5670
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Vertical segment	Mobile	Mobile
Performance
64 bit support
Base frequency	1.33 GHz	1.80 GHz
Bus Speed	2.5 GT/s DMI	800 MHz FSB
Die size	81 mm2	143 mm2
Front-side bus (FSB)	2500 MHz	800 MHz
L2 cache	512 KB	2048 KB
L3 cache	4096 KB
Manufacturing process technology	32 nm	65 nm
Maximum core temperature	105°C	100°C
Maximum frequency	2.40 GHz	1.8 GHz
Number of cores	2	2
Number of threads	4	2
Transistor count	382 million	291 million
VID voltage range		1.0375V-1.30V
Memory
Max memory channels	2
Maximum memory bandwidth	12.8 GB/s
Maximum memory size	8 GB
Supported memory types	DDR3 800
Graphics
Graphics base frequency	166 MHz
Graphics max dynamic frequency	500 MHz
Graphics max frequency	500 MHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Processor graphics	Intel HD Graphics
Graphics interfaces
Number of displays supported	2
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1
Package Size	BGA 34mm x 28mm	35mm x 35mm
Sockets supported	BGA1288
Thermal Design Power (TDP)	18 Watt	35 Watt
Peripherals
Max number of PCIe lanes	16
PCI Express revision	2.0
PCIe configurations	1x16
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)	36-bit
Thermal Monitoring
FSB parity
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)