Xeon E5450 vs i9-7900X

Primary details

Comparing Core i9-7900X and Xeon E5450 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	559	2079
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.89	no data
Market segment	Desktop processor	Server
Series	Core i9 (Desktop)	no data
Power efficiency	8.96	1.93
Architecture codename	Skylake (server) (2017−2019)	no data
Release date	30 May 2017 (7 years ago)	1 October 2007 (17 years ago)
Launch price (MSRP)	$999	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i9-7900X and Xeon E5450 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	10 (Deca-Core)	no data
Threads	20	no data
Base clock speed	3.3 GHz	3 GHz
Boost clock speed	4.5 GHz	no data
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	33	no data
L1 cache	640 KB	no data
L2 cache	10 MB	no data
L3 cache	13.75 MB	12 MB L2 Cache
Chip lithography	14 nm	45 nm
Maximum core temperature	95 °C	67 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	+	-
VID voltage range	no data	0.85V-1.35V

Compatibility

Information on Core i9-7900X and Xeon E5450 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)	no data
Socket	Socket R4	LGA771
Power consumption (TDP)	140 Watt	80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7900X and Xeon E5450. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	-
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	-
Hyper-Threading Technology	+	-
TSX	+	-
Idle States	no data	+
Thermal Monitoring	-	+
Demand Based Switching	no data	+
Turbo Boost Max 3.0	+	no data
FSB parity	no data	+

Security technologies

Core i9-7900X and Xeon E5450 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7900X and Xeon E5450 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7900X and Xeon E5450. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	no data
Maximum memory size	128 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85.33 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by Core i9-7900X and Xeon E5450.

PCIe version	3.0	no data
PCI Express lanes	44	no data

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.

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Pros & cons summary

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Performance score	13.76	1.69
Recency	30 May 2017	1 October 2007
Chip lithography	14 nm	45 nm
Power consumption (TDP)	140 Watt	80 Watt

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Should you still have questions on choice between Core i9-7900X and Xeon E5450, ask them in Comments section, and we shall answer.

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