Intel Core i3-380UM vs Intel Core 2 Duo T6400

Comparative analysis of Intel Core i3-380UM and Intel Core 2 Duo T6400 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 i3-380UM

Intel Core 2 Duo T6400

Differences

Reasons to consider the Intel Core i3-380UM

CPU is newer: launch date 1 year(s) 8 month(s) later
2 more threads: 4 vs 2
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
Around 94% lower typical power consumption: 18 Watt vs 35 Watt
Around 2% better performance in PassMark - CPU mark: 748 vs 730

Specifications (specs)
Launch date	1 October 2010 vs 1 January 2009
Number of threads	4 vs 2
Manufacturing process technology	32 nm vs 45 nm
Thermal Design Power (TDP)	18 Watt vs 35 Watt
Benchmarks
PassMark - CPU mark	748 vs 730

Reasons to consider the Intel Core 2 Duo T6400

Around 50% higher clock speed: 2 GHz vs 1.33 GHz
4x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 36% better performance in PassMark - Single thread mark: 791 vs 582
Around 27% better performance in Geekbench 4 - Single Core: 253 vs 199
Around 2% better performance in Geekbench 4 - Multi-Core: 462 vs 451

Specifications (specs)
Maximum frequency	2 GHz vs 1.33 GHz
L2 cache	2048 KB vs 512 KB
Benchmarks
PassMark - Single thread mark	791 vs 582
Geekbench 4 - Single Core	253 vs 199
Geekbench 4 - Multi-Core	462 vs 451

Compare benchmarks

CPU 1: Intel Core i3-380UM
CPU 2: Intel Core 2 Duo T6400

PassMark - Single thread mark

CPU 1

CPU 2

582

791

PassMark - CPU mark

CPU 1

CPU 2

748

730

Geekbench 4 - Single Core

CPU 1

CPU 2

199

253

Geekbench 4 - Multi-Core

CPU 1

CPU 2

451

462

Name	Intel Core i3-380UM	Intel Core 2 Duo T6400
PassMark - Single thread mark	582	791
PassMark - CPU mark	748	730
Geekbench 4 - Single Core	199	253
Geekbench 4 - Multi-Core	451	462

Compare specifications (specs)

	Intel Core i3-380UM	Intel Core 2 Duo T6400
Essentials
Architecture codename	Arrandale	Penryn
Launch date	1 October 2010	1 January 2009
Place in performance rating	3138	2935
Processor Number	i3-380UM	T6400
Series	Legacy Intel® Core™ Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Vertical segment	Mobile	Mobile
Price now		$14.99
Value for money (0-100)		24.07
Performance
64 bit support
Base frequency	1.33 GHz	2.00 GHz
Bus Speed	2.5 GT/s DMI	800 MHz FSB
Die size	81 mm2	107 mm2
Front-side bus (FSB)	2500 MHz	800 MHz
L2 cache	512 KB	2048 KB
L3 cache	3072 KB
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	105°C	105°C
Maximum frequency	1.33 GHz	2 GHz
Number of cores	2	2
Number of threads	4	2
Transistor count	382 million	410 million
VID voltage range		1.000V-1.250V
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	PGA478
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
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)