Core i9-9990XE vs Core i9-7980XE

General info

Comparing Core i9-7980XE and Core i9-9990XE processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	263	264
Place by popularity	not in top-100	not in top-100
Value for money	6.62	5.12
Market segment	Desktop processor	Desktop processor
Series	Intel Core i9	Intel Core i9
Architecture codename	Skylake (server) (2017−2019)	Skylake (server) (2017−2019)
Release date	1 September 2017 (6 years ago)	19 October 2018 (5 years ago)
Launch price (MSRP)	$1,999	no data
Current price	$1286 (0.6x MSRP)	$2163

Value for money

Performance per price, higher is better.

i9-7980XE has 29% better value for money than i9-9990XE.

Technical specs

Core i9-7980XE and Core i9-9990XE 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	18 (Octadeca-Core)	14 (Tetradeca-Core)
Threads	36	28
Base clock speed	2.6 GHz	4 GHz
Boost clock speed	4.4 GHz	5.1 GHz
Bus support	4 × 8 GT/s	4 × 8 GT/s
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	1 MB (per core)	1 MB (per core)
L3 cache	24.75 MB (shared)	19.25 MB (shared)
Chip lithography	14 nm	14 nm
Die size	484 mm2	no data
Maximum core temperature	94 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	Yes	Yes

Compatibility

Information on Core i9-7980XE and Core i9-9990XE 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 (Uniprocessor)
Socket	FCLGA2066	2066
Power consumption (TDP)	165 Watt	255 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7980XE and Core i9-9990XE. 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	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	+
Turbo Boost Max 3.0	+	no data
Status	Discontinued	no data

Security technologies

Core i9-7980XE and Core i9-9990XE technologies aimed at improving security, for example, by protecting against hacks.

EDB

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7980XE and Core i9-9990XE are enumerated here.

VT-d	+	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7980XE and Core i9-9990XE. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4 Quad-channel
Maximum memory size	128 GB	128 GB
Max memory channels	4	4
Maximum memory bandwidth	85 GB/s	85.33 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

N/A

Peripherals

Specifications and connection of peripherals supported by Core i9-7980XE and Core i9-9990XE.

PCIe version	3.0	3.0
PCI Express lanes	44	44

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.

Advantages and disadvantages

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Performance score	19.52	19.51
Recency	1 September 2017	19 October 2018
Physical cores	18	14
Threads	36	28
Power consumption (TDP)	165 Watt	255 Watt

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Should you still have questions on choice between Core i9-7980XE and Core i9-9990XE, ask them in Comments section, and we shall answer.

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