Core i7-870 vs Xeon W-2145

Primary details

Comparing Xeon W-2145 and Core i7-870 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	619	1831
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	14.37	0.95
Market segment	Server	Desktop processor
Series	Intel Xeon W	no data
Architecture codename	Skylake-W (2018)	Lynnfield (2009−2010)
Release date	29 August 2017 (6 years ago)	September 2009 (14 years ago)
Launch price (MSRP)	$1,113	$305
Current price	$477 (0.4x MSRP)	$88 (0.3x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon W-2145 has 1413% better value for money than i7-870.

Detailed specifications

Xeon W-2145 and Core i7-870 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	2.93 GHz
Boost clock speed	4.5 GHz	3.6 GHz
L1 cache	64K (per core)	64 KB (per core)
L2 cache	1 MB (per core)	256 KB (per core)
L3 cache	11 MB (shared)	8 MB (shared)
Chip lithography	14 nm	45 nm
Die size	484 mm2	296 mm2
Maximum core temperature	70 °C	73 °C
Maximum case temperature (TCase)	70 °C	no data
Number of transistors	no data	774 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon W-2145 and Core i7-870 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	1
Socket	Socket R4	FCLGA1156,LGA1156
Power consumption (TDP)	140 Watt	95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2145 and Core i7-870. 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	Intel® SSE4.2
AES-NI	+	-
AVX	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	1.0
Hyper-Threading Technology	+	+
TSX	+	no data
Idle States	+	+
Thermal Monitoring	+	-
Flex Memory Access	-	no data
Demand Based Switching	+	-
PAE	46 Bit	36 Bit
Turbo Boost Max 3.0	-	no data
Status	Discontinued	Discontinued

Security technologies

Xeon W-2145 and Core i7-870 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2145 and Core i7-870 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2145 and Core i7-870. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR3
Maximum memory size	512 GB	16 GB
Max memory channels	4	2
Maximum memory bandwidth	85.3 GB/s	21 GB/s
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon W-2145 and Core i7-870.

PCIe version	3.0	2.0
PCI Express lanes	48	16

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Xeon W-2145 outperforms Core i7-870 by 482% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	11.75	2.02
Physical cores	8	4
Threads	16	8
Cost	$1113	$305
Chip lithography	14 nm	45 nm
Power consumption (TDP)	140 Watt	95 Watt

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Should you still have questions on choice between Xeon W-2145 and Core i7-870, ask them in Comments section, and we shall answer.

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