Core i9-9940X vs Core i9-10980XE

General info

Comparing Core i9-10980XE and Core i9-9940X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	221	294
Place by popularity	not in top-100	not in top-100
Value for money	12.44	11.47
Market segment	Desktop processor	Desktop processor
Series	no data	Intel Core i9
Architecture codename	Cascade Lake-X (2019)	Skylake (server) (2017−2019)
Release date	19 October 2019 (4 years old)	19 October 2018 (5 years old)
Launch price (MSRP)	$979	$1,387
Current price	$1258 (1.3x MSRP)	$900 (0.6x MSRP)

Value for money

Performance per price, higher is better.

i9-10980XE has 8% better value for money than i9-9940X.

Technical specs

Core i9-10980XE and Core i9-9940X 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	3 GHz	3.3 GHz
Boost clock speed	4.8 GHz	4.5 GHz
Bus support	no data	4 × 8 GT/s
L1 cache	64K (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	no data	484 mm2
Maximum core temperature	86 °C	88 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	Yes	Yes

Compatibility

Information on Core i9-10980XE and Core i9-9940X 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	FCLGA2066	FCLGA2066
Power consumption (TDP)	165 Watt	165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-10980XE and Core i9-9940X. 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	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Turbo Boost Max 3.0	+	+
Status	Launched	Discontinued

Security technologies

Core i9-10980XE and Core i9-9940X 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 i9-10980XE and Core i9-9940X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-10980XE and Core i9-9940X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-2666
Maximum memory size	256 GB	128 GB
Max memory channels	4	4
Maximum memory bandwidth	94 GB/s	85 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Core i9-10980XE and Core i9-9940X.

PCIe version	3.0	3.0
PCI Express lanes	48	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.

Core i9-10980XE outperforms Core i9-9940X by 17% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	21.25	18.15
Recency	19 October 2019	19 October 2018
Physical cores	18	14
Threads	36	28
Cost	$979	$1387

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Should you still have questions on choice between Core i9-10980XE and Core i9-9940X, ask them in Comments section, and we shall answer.

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