i7-940XM Extreme Edition vs Xeon W-2145

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	882	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.45	no data
Market segment	Server	Laptop
Series	Intel Xeon W	Intel Core i7EE
Power efficiency	7.83	no data
Designer	Intel	Intel
Manufacturer	Intel	no data
Architecture codename	Skylake (server) (2017−2018)	Nehalem (2008−2010)
Release date	29 August 2017 (8 years ago)	5 February 2010 (15 years ago)
Launch price (MSRP)	$1,113	$1,096

Cost-effectiveness evaluation

Performance per price, higher is better.

Performance to price scatter graph

Detailed specifications

Xeon W-2145 and Core i7-940XM Extreme Edition basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	8 (Octa-Core)	4 (Quad-Core)
Threads	16	8
Base clock speed	3.7 GHz	no data
Boost clock speed	4.5 GHz	2.13 GHz
Bus type	DMI 3.0	DMI
Bus rate	4 × 8 GT/s	2.5 GT/s
Multiplier	37	16
L1 cache	64K (per core)	256 KB
L2 cache	1 MB (per core)	1 MB
L3 cache	11 MB (shared)	8 MB
Chip lithography	14 nm	45 nm
Die size	484 mm2	296 mm2
Maximum case temperature (TCase)	70 °C	no data
Number of transistors	no data	774 Million
64 bit support	+	+
Windows 11 compatibility	+	-

Compatibility

Information on Xeon W-2145 and Core i7-940XM Extreme Edition compatibility with other computer components: 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.

Number of CPUs in a configuration	1 (Uniprocessor)	1 (Uniprocessor)
Socket	Socket R4	no data
Power consumption (TDP)	140 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2145 and Core i7-940XM Extreme Edition. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	-
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	-	no data
Demand Based Switching	+	no data
PAE	46 Bit	no data
Turbo Boost Max 3.0	-	no data

Security technologies

Xeon W-2145 and Core i7-940XM Extreme Edition technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data
MPX	+	-
Identity Protection	+	-
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2145 and Core i7-940XM Extreme Edition are enumerated here.

AMD-V	+	-
VT-d	+	+
VT-x	+	+
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2145 and Core i7-940XM Extreme Edition. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR3-1333
Maximum memory size	512 GB	8 GB
Max memory channels	4	2
Maximum memory bandwidth	85.33 GB/s	21.335 GB/s
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon W-2145 and Core i7-940XM Extreme Edition.

PCIe version	3.0	2.0
PCI Express lanes	48	16

Pros & cons summary

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Recency	29 August 2017	5 February 2010
Physical cores	8	4
Threads	16	8
Chip lithography	14 nm	45 nm
Power consumption (TDP)	140 Watt	55 Watt

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