Intel Core i3 2120 (2nd Gen) vs. Intel Core i7 2640M (2nd Gen)

CPU Comparison, Reviews and Tests

Detailed comparison and review of Intel Core i3 2120 (2nd Gen) and Intel Core i7 2640M (2nd Gen). 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 Core i3 2120 (2nd Gen) vs. Intel Core i7 2640M (2nd Gen) Benchmark Chart
GENERAL Intel Core i3 2120 (2nd Gen) Intel Core i7 2640M (2nd Gen)
Product Type Processor Processor (mobile)
PROCESSOR Intel Core i3 2120 (2nd Gen) Intel Core i7 2640M (2nd Gen)
Type Intel Core i3 2120 (2nd Gen) Intel Core i7 2640M (2nd Gen)
ARCHITECTURE
Processor Qty 1 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 16
Architecture Features Enhanced SpeedStep technology, Hyper-Threading Technology, 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, Intel Advanced Vector Extensions (AVX), Intel AES New Instructions (AES-NI), Thermal Monitoring Technologies, Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Identity Protection Technology Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Fast Memory Access, Intel Flex Memory Access, Intel Turbo Boost Technology 2.0, 4G WiMAX Wireless Technology, Intel My WiFi Technology, Intel Anti-Theft Technology, Intel Advanced Vector Extensions (AVX), 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), Intel Identity Protection Technology
PERFORMANCE
Number of Cores Dual-Core Dual-Core
Number of Threads 4 threads 4 threads
Clock Speed (Frequency) 3.3 GHz 2.8 GHz
Max Turbo Speed - 3.5 GHz
64-bit Computing Yes Yes
CACHE MEMORY
Cache 3 MB 4 MB
Cache Memory Details Smart Cache - 3 MB L3 - 4 MB
Installed Size 3 MB 4 MB
INTEGRATED GRAPHICS (GPU) Intel Core i3 2120 (2nd Gen) Intel Core i7 2640M (2nd Gen)
Type Intel HD Graphics 2000 Intel HD Graphics 3000
Base Frequency 850 MHz 650 MHz
Max Dynamic Frequency 1.1 GHz 1.3 GHz
Features Dual Display Capable, Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Intel Insider Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Intel Wireless Display (WiDi), Intel Insider
EXPANSION & CONNECTIVITY Intel Core i3 2120 (2nd Gen) Intel Core i7 2640M (2nd Gen)
Compatible Slots 1 x processor - LGA1155 Socket 1 x processor
MISCELLANEOUS Intel Core i3 2120 (2nd Gen) Intel Core i7 2640M (2nd Gen)
Included Accessories Heat sink -
Compliant Standards RoHS -
Service & Support Limited warranty - 3 years -
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