Intel Core i7-4940MX Extreme Edition: specs and benchmarks

Summary

Intel started Core i7-4940MX Extreme Edition sales 19 January 2014. This is a Haswell architecture notebook processor primarily aimed at home systems. It has 4 cores and 8 threads, and is based on 22 nm manufacturing technology, with a maximum frequency of 3100 MHz - 4000 MHz (1 core) 3900 MHz (2 cores) 3800 MHz (3 cores) 3800 MHz (4 cores) and a locked multiplier.

Compatibility-wise, this is a processor with a TDP of 57 Watt.

Primary details

Core i7-4940MX Extreme Edition processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in the ranking	not rated
Place by popularity	not in top-100
Market segment	Laptop
Series	Intel Core i7EE
Architecture codename	Haswell (2013−2015)
Release date	19 January 2014 (10 years ago)

Detailed specifications

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores	4 (Quad-Core)
Threads	8
Boost clock speed	3.1 GHz	of 6.2 GHz (Core i9-14900KS)
Bus type	DMI
Bus rate	5 GT/s
Multiplier	31	of 42 (Core i7-7700K)
L2 cache	1 MB	of 2 MB (Xeon 6980P)
L3 cache	8 MB	of 1152 MB (EPYC 9684X)
Chip lithography	22 nm	of 3 nm (Core Ultra 9 285K)
64 bit support	+

Compatibility

Information on Core i7-4940MX Extreme Edition compatibility with other computer components and devices: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Power consumption (TDP)

57 Watt

of 500 Watt (Xeon 6960P)

Technologies and extensions

Technological capabilities and additional instructions supported by Core i7-4940MX Extreme Edition. You'll probably need this information if you require some particular technology.

AES-NI	+
AVX	+
vPro	+
Enhanced SpeedStep (EIST)	+

Security technologies

Processor technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

Memory specs

Types, maximum amount and channel number of RAM supported by Core i7-4940MX Extreme Edition's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Maximum memory size

32 GB

of 6 TiB (EPYC 9654)

Peripherals

Specifications and connection types of supported peripherals.

PCIe version	3.0	of 5.0 (EPYC 9655P)
PCI Express lanes	16	of 128 (EPYC 9655P)

Benchmark performance

Single-core and multi-core benchmark results of Core i7-4940MX Extreme Edition. Overall benchmark performance is measured in points in 0-100 range, higher is better.

---

---