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.

 

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 7% better performance in PassMark - Single thread mark: 1049 vs 978
  • Around 49% better performance in PassMark - CPU mark: 1522 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 1049 vs 978
PassMark - CPU mark 1522 vs 1020

Compare benchmarks

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

PassMark - Single thread mark
CPU 1
CPU 2
978
1049
PassMark - CPU mark
CPU 1
CPU 2
1020
1522
Name Intel Celeron G1820TE Intel Core i7-640LM
PassMark - Single thread mark 978 1049
PassMark - CPU mark 1020 1522
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 2604 2610
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)