Pentium Gold 6405U vs i9-9980XE

Aggregate performance score

Core i9-9980XE
2018
18 cores / 36 threads, 165 Watt
18.34
+960%
Pentium Gold 6405U
2019
2 cores / 4 threads, 15 Watt
1.73

Core i9-9980XE outperforms Pentium Gold 6405U by a whopping 960% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9980XE and Pentium Gold 6405U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3222028
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.79no data
Market segmentDesktop processorLaptop
SeriesIntel Core i9Intel Comet Lake
Power efficiency10.5210.91
Architecture codenameSkylake (server) (2017−2018)Comet Lake-U (2019−2020)
Release date19 October 2018 (6 years ago)31 October 2019 (5 years ago)
Launch price (MSRP)$1,979$161

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-9980XE and Pentium Gold 6405U 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 cores18 (Octadeca-Core)2 (Dual-core)
Threads364
Base clock speed3 GHz2.4 GHz
Boost clock speed4.5 GHz2.4 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s4 GT/s
Multiplier30no data
L1 cache64 KB (per core)256 KB
L2 cache1 MB (per core)1 MB
L3 cache24.75 MB (shared)2 MB
Chip lithography14 nm14 nm
Die size484 mm2no data
Maximum core temperature84 °C100 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Core i9-9980XE and Pentium Gold 6405U 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 configuration1 (Uniprocessor)1
SocketFCLGA2066FCBGA1528
Power consumption (TDP)165 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9980XE and Pentium Gold 6405U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512Intel® SSE4.1, Intel® SSE4.2
AES-NI++
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.0-
Hyper-Threading Technology++
TSX+-
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
Turbo Boost Max 3.0+no data

Security technologies

Core i9-9980XE and Pentium Gold 6405U technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDB++
Secure Keyno data+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9980XE and Pentium Gold 6405U are enumerated here.

AMD-V++
VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9980XE and Pentium Gold 6405U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory size128 GB64 GB
Max memory channels42
Maximum memory bandwidth85.33 GB/s37.5 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel® UHD Graphics for 10th Gen Intel® Processors
Max video memoryno data32 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data950 MHz

Graphics interfaces

Available interfaces and connections of Core i9-9980XE and Pentium Gold 6405U integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Core i9-9980XE and Pentium Gold 6405U integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@24Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz

Graphics API support

APIs supported by Core i9-9980XE and Pentium Gold 6405U integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core i9-9980XE and Pentium Gold 6405U.

PCIe version3.02.0
PCI Express lanes4412

Synthetic benchmark performance

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


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.

i9-9980XE 18.34
+960%
Pentium Gold 6405U 1.73

Geekbench 5.5 Multi-Core

i9-9980XE 15780
+1095%
Pentium Gold 6405U 1320

Gaming performance

Pros & cons summary


Performance score 18.34 1.73
Recency 19 October 2018 31 October 2019
Physical cores 18 2
Threads 36 4
Power consumption (TDP) 165 Watt 15 Watt

i9-9980XE has a 960.1% higher aggregate performance score, and 800% more physical cores and 800% more threads.

Pentium Gold 6405U, on the other hand, has an age advantage of 1 year, and 1000% lower power consumption.

The Core i9-9980XE is our recommended choice as it beats the Pentium Gold 6405U in performance tests.

Note that Core i9-9980XE is a desktop processor while Pentium Gold 6405U is a notebook one.


Should you still have questions on choice between Core i9-9980XE and Pentium Gold 6405U, ask them in Comments section, and we shall answer.

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Intel Core i9-9980XE
Core i9-9980XE
Intel Pentium Gold 6405U
Pentium Gold 6405U

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Community ratings

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Questions & comments

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