Intel Celeron B820 vs. Intel Core i7 620M

CPU Comparison, Reviews and Tests
Intel Celeron B820
Intel Core i7 620M

Detailed comparison and review of Intel Celeron B820 and Intel Core i7 620M. With our comprehensive overview, you can simply compare overall performance, cache sizes, RAM, power efficiency, architecture, but also other key features of both processors and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the processor that best fits your needs and expectations.

CPUs Specifications Comparison

Intel Celeron B820 vs. Intel Core i7 620M Benchmark Chart
GENERAL Intel Celeron B820 Intel Core i7 620M
Product Type Processor (mobile) Processor (mobile)
PROCESSOR Intel Celeron B820 Intel Core i7 620M
Type Intel Celeron B820 Intel Core i7 620M
ARCHITECTURE
Processor Qty 1 1
Packaging Type - 1288-ball BGA
Compatible Processor Socket PGA988 Socket -
Manufacturing Process 32 nm 32 nm
Thermal Design Power 35 W 35 W
Thermal Specification 100 °C 105 °C
PCI Express Revision 2.0 2.0
PCI Express Configurations 1x16, 2x8, 1x8+2x4 1x16
PCI Express Lanes Qty 16 16
Architecture Features 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 Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel Turbo Boost Technology, Intel 64 Technology, Intel Trusted Execution Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Fast Memory Access, Intel Flex Memory Access, Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Intel Virtualization Technology for Directed I/O (VT-d), Intel vPro Technology, Idle States, Intel VT-x with Extended Page Tables (EPT)
PERFORMANCE
Number of Cores Dual-Core Dual-Core
Number of Threads 2 threads 4 threads
Clock Speed (Frequency) 1.7 GHz 2.66 GHz
Max Turbo Speed - 3.33 GHz
Bus Speed - 667 MHz
64-bit Computing - Yes
CACHE MEMORY
Cache 2 MB 4 MB
Cache Memory Details L3 - 2 MB Smart Cache - 4 MB
Installed Size 2 MB 4 MB
RAM
Installed RAM Size - 4 MB
INTEGRATED GRAPHICS (GPU) Intel Celeron B820 Intel Core i7 620M
Type Intel HD Graphics with Dynamic Frequency Intel HD Graphics with Dynamic Frequency
Base Frequency 650 MHz 500 MHz
Max Dynamic Frequency 1.05 GHz 766 MHz
Features Intel FDI Dual Display Capable, Intel FDI, Intel Clear Video Technology, Intel Clear Video HD Technology
EXPANSION & CONNECTIVITY Intel Celeron B820 Intel Core i7 620M
Compatible Slots - 1 x processor
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