Intel Core i7 Extreme Edition 3940XM (3rd Gen) vs. Intel Core i7 4900MQ (4th Gen)

CPU Comparison, Reviews and Tests

In depth comparison and review of Intel Core i7 Extreme Edition 3940XM (3rd Gen) and Intel Core i7 4900MQ (4th 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 Extreme Edition 3940XM (3rd Gen) vs. Intel Core i7 4900MQ (4th Gen) Benchmark Chart
GENERAL Intel Core i7 Extreme Edition 3940XM (3rd Gen) Intel Core i7 4900MQ (4th Gen)
Product Type Processor (mobile) Processor (mobile)
PROCESSOR Intel Core i7 Extreme Edition 3940XM (3rd Gen) Intel Core i7 4900MQ (4th Gen)
Type Intel Core i7 Extreme Edition 3940XM (3rd Gen) Intel Core i7 4900MQ (4th Gen)
ARCHITECTURE
Processor Qty 1 1
Compatible Processor Socket PGA988 Socket PGA946 Socket
Manufacturing Process 22 nm 22 nm
Thermal Design Power 55 W 47 W
Thermal Specification 105 °C 100 °C
PCI Express Revision - 3.0
PCI Express Configurations - 1x16, 2x8, 1x8+2x4
PCI Express Lanes Qty - 16
Architecture Features Enhanced SpeedStep technology, Hyper-Threading Technology, integrated memory controller, 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 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) Enhanced SpeedStep technology, Hyper-Threading Technology, Execute Disable Bit capability, Intel Virtualization Technology, Intel 64 Technology, Intel Trusted Execution Technology, Intel Turbo Boost Technology 2.0, Intel My WiFi Technology, Intel Anti-Theft 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 Identity Protection Technology, Intel Secure Key
PERFORMANCE
Number of Cores Quad-Core Quad-Core
Number of Threads 8 threads 8 threads
Clock Speed (Frequency) 3 GHz 2.8 GHz
Max Turbo Speed 3.9 GHz 3.8 GHz
CACHE MEMORY
Cache 8 MB 8 MB
Cache Memory Details L3 - 8 MB L3 - 8 MB
Installed Size 8 MB 8 MB
INTEGRATED GRAPHICS (GPU) Intel Core i7 Extreme Edition 3940XM (3rd Gen) Intel Core i7 4900MQ (4th Gen)
Type Intel HD Graphics 4000 Intel HD Graphics 4600
Base Frequency 650 MHz 400 MHz
Max Dynamic Frequency 1.35 GHz 1.3 GHz
Max Supported Memory Size - 2 GB
Max Supported Resolution - 3840x2160@60Hz (DP), 2880x1800@60Hz (VGA), 3840x2160@60Hz (HDMI)
Features Dual Display Capable, Intel FDI, Intel Clear Video HD Technology, InTRU 3D Technology, Intel Quick Sync Video, Intel Wireless Display (WiDi), Intel Insider Intel FDI, 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 Extreme Edition 3940XM (3rd Gen) Intel Core i7 4900MQ (4th Gen)
Service & Support - Limited warranty - 3 years
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