Intel Celeron G1820TE vs Intel Core i7-640LM

Comparative analysis of Intel Celeron G1820TE and Intel Core i7-640LM 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, 3DMark Fire Strike - Physics Score, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Celeron G1820TE

Intel Core i7-640LM

Differences

Reasons to consider the Intel Celeron G1820TE

CPU is newer: launch date 3 year(s) 10 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
4x more maximum memory size: 32 GB vs 8 GB

Launch date	December 2013 vs 4 January 2010
Manufacturing process technology	22 nm vs 32 nm
Maximum memory size	32 GB vs 8 GB

Reasons to consider the Intel Core i7-640LM

2 more threads: 4 vs 2
Around 33% higher clock speed: 2.93 GHz vs 2.2 GHz
Around 33% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 40% lower typical power consumption: 25 Watt vs 35 Watt
Around 8% better performance in PassMark - Single thread mark: 1053 vs 978
Around 50% better performance in PassMark - CPU mark: 1525 vs 1020

Specifications (specs)
Number of threads	4 vs 2
Maximum frequency	2.93 GHz vs 2.2 GHz
L3 cache	4096 KB vs 3072 KB (shared)
Thermal Design Power (TDP)	25 Watt vs 35 Watt
Benchmarks
PassMark - Single thread mark	1053 vs 978
PassMark - CPU mark	1525 vs 1020

Compare benchmarks

CPU 1: Intel Celeron G1820TE
CPU 2: Intel Core i7-640LM

PassMark - Single thread mark

CPU 1

CPU 2

978

1053

PassMark - CPU mark

CPU 1

CPU 2

1020

1525

Name	Intel Celeron G1820TE	Intel Core i7-640LM
PassMark - Single thread mark	978	1053
PassMark - CPU mark	1020	1525
3DMark Fire Strike - Physics Score	882
Geekbench 4 - Single Core		400
Geekbench 4 - Multi-Core		782

Compare specifications (specs)

	Intel Celeron G1820TE	Intel Core i7-640LM
Essentials
Architecture codename	Haswell	Arrandale
Launch date	December 2013	4 January 2010
Place in performance rating	2605	2609
Processor Number	G1820TE	i7-640LM
Series	Intel® Celeron® Processor G Series	Legacy Intel® Core™ Processors
Status	Launched	Discontinued
Vertical segment	Embedded	Mobile
Launch price (MSRP)		$332
Performance
64 bit support
Base frequency	2.20 GHz	2.13 GHz
Bus Speed	5 GT/s DMI2	2.5 GT/s DMI
Die size	177 mm	81 mm2
L1 cache	64 KB (per core)
L2 cache	256 KB (per core)	512 KB
L3 cache	3072 KB (shared)	4096 KB
Manufacturing process technology	22 nm	32 nm
Maximum case temperature (TCase)	72 °C
Maximum frequency	2.2 GHz	2.93 GHz
Number of cores	2	2
Number of threads	2	4
Transistor count	1400 million	382 million
Front-side bus (FSB)		2500 MHz
Maximum core temperature		105°C
Memory
ECC memory support
Max memory channels	2	2
Maximum memory bandwidth	21.3 GB/s	17.1 GB/s
Maximum memory size	32 GB	8 GB
Supported memory types	DDR3 1333	DDR3 800/1066
Graphics
Graphics base frequency	350 MHz	266 MHz
Graphics max dynamic frequency	1.00 GHz	566 MHz
Graphics max frequency	1 GHz	566 MHz
Intel® Flexible Display Interface (Intel® FDI)
Intel® Quick Sync Video
Max video memory	1.7 GB
Processor graphics	Intel HD Graphics	Intel HD Graphics
Intel® Clear Video HD technology
Intel® Clear Video technology
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported	3	2
VGA
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	BGA 34mm x 28mm
Sockets supported	FCLGA1150	BGA1288
Thermal Design Power (TDP)	35 Watt	25 Watt
Thermal Solution	PCG 2013A
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	Up to 3.0	2.0
PCIe configurations	Up to 1x16, 2x8, 1x8/2x4	1x16
Scalability	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Secure Key technology
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® SSE4.1, Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Fast Memory Access
Intel® Flex Memory Access
Physical Address Extensions (PAE)		36-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)