Ryzen 9 7950X vs Xeon E7-8891 v3

Primary details

Comparing Xeon E7-8891 v3 and Ryzen 9 7950X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	491	58
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	26.15	62.49
Market segment	Server	Desktop processor
Architecture codename	Haswell-EX (2015)	Raphael (Zen 4)
Release date	1 June 2015 (9 years ago)	27 September 2022 (1 year ago)
Current price	$11.09	$724

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 7950X has 139% better value for money than Xeon E7-8891 v3.

Detailed specifications

Xeon E7-8891 v3 and Ryzen 9 7950X 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)	16 (Hexadeca-Core)
Threads	20	32
Base clock speed	2.8 GHz	4.5 GHz
Boost clock speed	3.5 GHz	5.7 GHz
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	1 MB (per core)
L3 cache	45 MB (shared)	64 MB (shared)
Chip lithography	22 nm	5 nm
Die size	160 mm2	CCD = 2x 70 sq. mm, I/O = 122 mm2
Maximum core temperature	79 °C	95 °C
Maximum case temperature (TCase)	79 °C	47 °C
Number of transistors	1,400 million	13140 Million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes

Compatibility

Information on Xeon E7-8891 v3 and Ryzen 9 7950X 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	8	1
Socket	FCLGA2011	AM5
Power consumption (TDP)	165 Watt	170 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E7-8891 v3 and Ryzen 9 7950X. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2	CCD = 5 nm, I/O = 6 nm, 0.650 - 1.475 V
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	no data
Idle States	+	no data
Thermal Monitoring	+	no data
PAE	46 Bit	no data
Instruction Replay	-	no data
Status	Launched	no data

Security technologies

Xeon E7-8891 v3 and Ryzen 9 7950X technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E7-8891 v3 and Ryzen 9 7950X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E7-8891 v3 and Ryzen 9 7950X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1333, DDR4-1600, DDR4-1866, DDR3-1066, DDR3-1333, DDR3-1600	DDR5-5200
Maximum memory size	1.5 TB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85 GB/s	no data
ECC memory support	+	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon Graphics (Ryzen 7000)

Peripherals

Specifications and connection of peripherals supported by Xeon E7-8891 v3 and Ryzen 9 7950X.

PCIe version	3.0	5.0
PCI Express lanes	32	24

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.

Ryzen 9 7950X outperforms Xeon E7-8891 v3 by 191% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	13.97	40.63
Recency	1 June 2015	27 September 2022
Physical cores	10	16
Threads	20	32
Chip lithography	22 nm	5 nm
Power consumption (TDP)	165 Watt	170 Watt

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Should you still have questions on choice between Xeon E7-8891 v3 and Ryzen 9 7950X, ask them in Comments section, and we shall answer.

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