Intel Core i7 6660U (6th Gen) vs. Intel Core i7 7740X X-series (7th Gen)

CPU Comparison, Reviews and Tests

In depth comparison and review of Intel Core i7 6660U (6th Gen) and Intel Core i7 7740X X-series (7th Gen). 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 Core i7 6660U (6th Gen) vs. Intel Core i7 7740X X-series (7th Gen) Benchmark Chart
GENERAL Intel Core i7 6660U (6th Gen) Intel Core i7 7740X X-series (7th Gen)
Product Type Processor Processor
PROCESSOR Intel Core i7 6660U (6th Gen) Intel Core i7 7740X X-series (7th Gen)
Type Intel Core i7 6660U (6th Gen) Intel Core i7 7740X X-series (7th Gen)
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket LGA1356 Socket LGA2066 Socket
Manufacturing Process 14 nm 14 nm
Thermal Design Power 15 W 112 W
Thermal Specification 100 °C -
PCI Express Revision 3.0 3.0
PCI Express Configurations 1x4, 2x2, 1x2+2x1, 4x1 1x16, 2x8, 1x8+2x4
PCI Express Lanes Qty 12 16
Architecture Features Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Flex Memory Access, Intel Turbo Boost Technology 2.0, Intel My WiFi Technology, 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, Intel Secure Key, Intel Advanced Vector Extensions 2 (AVX2.0), Intel TSX-NI, Intel Stable Image Platform Program (SIPP), Intel OS Guard, Intel Smart Response Technology, Intel Small Business Advantage, Intel Software Guard Extensions (SGX), Intel Memory Protection Extensions (MPX) Hyper-Threading Technology, Intel Virtualization Technology, Intel 64 Technology, streaming SIMD extensions 4.1, streaming SIMD extensions 4.2, Intel Turbo Boost Technology 2.0, Intel AES New Instructions (AES-NI), Intel Virtualization Technology for Directed I/O (VT-d), Intel Advanced Vector Extensions 2 (AVX2.0), Intel Optane Memory Supported
PERFORMANCE
Number of Cores Dual-Core Quad-Core
Number of Threads 4 threads 8 threads
Clock Speed (Frequency) 2.4 GHz 4.3 GHz
Max Turbo Speed 3.4 GHz 4.5 GHz
CACHE MEMORY
Cache 4 MB 8 MB
Cache Memory Details Smart Cache - 4 MB L3 - 8 MB
INTEGRATED GRAPHICS (GPU) Intel Core i7 6660U (6th Gen) Intel Core i7 7740X X-series (7th Gen)
Type Intel Iris Graphics 540 -
Base Frequency 300 MHz -
Max Dynamic Frequency 1.05 GHz -
Max Supported Memory Size 32 GB -
Max Supported Resolution 4096x2304@24Hz (HDMI), 4096x2304@60Hz (eDP), 4096x2304@60Hz (DP) -
Features Intel Clear Video Technology, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Intel Wireless Display (WiDi), Intel Insider, Triple Display Capable -
MISCELLANEOUS Intel Core i7 6660U (6th Gen) Intel Core i7 7740X X-series (7th Gen)
Service & Support - Limited warranty - 3 years
Other Comparisons with Intel Core i7 6660U (6th Gen)
Other Comparisons with Intel Core i7 7740X X-series (7th Gen)
Other Popular CPU Comparisons
Languages:
Other projects: