Intel Core i7 640M vs. Intel Core i7 6800K (6th Gen)

CPU Comparison, Reviews and Tests

Detailed comparison and review of Intel Core i7 640M and Intel Core i7 6800K (6th 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 i7 640M vs. Intel Core i7 6800K (6th Gen) Benchmark Chart
GENERAL Intel Core i7 640M Intel Core i7 6800K (6th Gen)
Product Type Processor (mobile) Processor
PROCESSOR Intel Core i7 640M Intel Core i7 6800K (6th Gen)
Type Intel Core i7 640M Intel Core i7 6800K (6th Gen)
ARCHITECTURE
Processor Qty 1 1
Packaging Type 1288-ball BGA -
Compatible Processor Socket PGA988 Socket LGA2011-v3 Socket
Manufacturing Process 32 nm 14 nm
Thermal Design Power 35 W 140 W
PCI Express Revision 2.0 3.0
PCI Express Configurations 1x16 -
PCI Express Lanes Qty 16 28
Architecture Features 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 Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Intel Virtualization Technology for Directed I/O (VT-d), Idle States, Intel VT-x with Extended Page Tables (EPT), Intel Smart Response Technology
PERFORMANCE
Number of Cores Dual-Core 6-core
Number of Threads 4 threads 12 threads
Clock Speed (Frequency) 2.8 GHz 3.4 GHz
Max Turbo Speed 3.46 GHz 3.6 GHz
Bus Speed 667 MHz -
64-bit Computing Yes -
CACHE MEMORY
Cache 4 MB 15 MB
Cache Memory Details L3 - 4 MB 15 MB
Installed Size 4 MB -
INTEGRATED GRAPHICS (GPU) Intel Core i7 640M Intel Core i7 6800K (6th Gen)
Type Intel HD Graphics with Dynamic Frequency -
Base Frequency 500 MHz -
Max Dynamic Frequency 766 MHz -
Features Dual Display Capable, Intel FDI, Intel Clear Video Technology, Intel Clear Video HD Technology -
EXPANSION & CONNECTIVITY Intel Core i7 640M Intel Core i7 6800K (6th Gen)
Compatible Slots 1 x processor -
MISCELLANEOUS Intel Core i7 640M Intel Core i7 6800K (6th Gen)
Service & Support Limited warranty - 3 years -
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