Intel Pentium G640 vs. Intel Celeron B820

CPU Comparison, Reviews and Tests
Intel Pentium G640
Intel Celeron B820

In depth comparison and review of Intel Pentium G640 and Intel Celeron B820. Compare dimensions, performance, cache memory, number of cores, clock speed, RAM, power efficiency and other important specifications and features to easily choose the right CPU for you. Our goal is to help you uncover differences between the products and find the processor that will best fit your needs.

CPUs Specifications Comparison

Intel Pentium G640 vs. Intel Celeron B820 Benchmark Chart
GENERAL Intel Pentium G640 Intel Celeron B820
Product Type Processor Processor (mobile)
PROCESSOR Intel Pentium G640 Intel Celeron B820
Type Intel Pentium G640 Intel Celeron B820
ARCHITECTURE
Processor Qty - 1
Compatible Processor Socket LGA1155 Socket PGA988 Socket
Manufacturing Process 32 nm 32 nm
Thermal Design Power 65 W 35 W
Thermal Specification 69.1 °C 100 °C
PCI Express Revision 2.0 2.0
PCI Express Configurations - 1x16, 2x8, 1x8+2x4
PCI Express Lanes Qty - 16
Architecture Features Enhanced SpeedStep technology, integrated memory controller, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Fast Memory Access, Intel Flex Memory Access, Thermal Monitoring Technologies, Idle States, Intel VT-x with Extended Page Tables (EPT) Enhanced SpeedStep technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Fast Memory Access, Intel Flex Memory Access, Thermal Monitoring Technologies, Idle States
PERFORMANCE
Number of Cores Dual-Core Dual-Core
Number of Threads 2 threads 2 threads
Clock Speed (Frequency) 2.8 GHz 1.7 GHz
CACHE MEMORY
Cache 3 MB 2 MB
Cache Memory Details Smart Cache - 3 MB L3 - 2 MB
Installed Size 3 MB 2 MB
INTEGRATED GRAPHICS (GPU) Intel Pentium G640 Intel Celeron B820
Type Intel HD Graphics Intel HD Graphics with Dynamic Frequency
Base Frequency 850 MHz 650 MHz
Max Dynamic Frequency 1.1 GHz 1.05 GHz
Features Dual Display Capable, Intel FDI Intel FDI
MISCELLANEOUS Intel Pentium G640 Intel Celeron B820
Compliant Standards Lead-Free, halogen-free -
Service & Support Limited warranty - 3 years -
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