Pentium Gold G5420 vs i9-9900X

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Aggregate performance score

Core i9-9900X
2018
10 cores / 20 threads, 165 Watt
13.76
+481%
Pentium Gold G5420
2019
2 cores / 4 threads, 54 Watt
2.37

Core i9-9900X outperforms Pentium Gold G5420 by a whopping 481% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9900X and Pentium Gold G5420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking5411795
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation5.1013.14
Market segmentDesktop processorDesktop processor
SeriesIntel Core i9Intel Pentium Gold
Power efficiency7.854.13
Architecture codenameSkylake (server) (2017−2018)Coffee Lake (2017−2019)
Release date19 October 2018 (6 years ago)23 April 2019 (5 years ago)
Launch price (MSRP)$989$64

Cost-effectiveness evaluation

Performance per price, higher is better.

Pentium Gold G5420 has 158% better value for money than i9-9900X.

Detailed specifications

Core i9-9900X and Pentium Gold G5420 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 cores10 (Deca-Core)2 (Dual-core)
Threads204
Base clock speed3.5 GHz3.8 GHz
Boost clock speed4.5 GHz3.8 GHz
Bus typeDMI 3.0DMI 3.0
Bus rate4 × 8 GT/s4 × 8 GT/s
Multiplier35no data
L1 cache64 KB (per core)128 KB
L2 cache1 MB (per core)512 KB
L3 cache19.25 MB (shared)4 MB
Chip lithography14 nm14 nm
Die sizeno data126 mm2
Maximum core temperature92 °C100 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Core i9-9900X and Pentium Gold G5420 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 (Uniprocessor)
SocketFCLGA2066FCLGA1151
Power consumption (TDP)165 Watt54 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900X and Pentium Gold G5420. 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+-
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0-
Hyper-Threading Technology++
TSX+-
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0+no data

Security technologies

Core i9-9900X and Pentium Gold G5420 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900X and Pentium Gold G5420 are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900X and Pentium Gold G5420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4-2400
Maximum memory size128 GB64 GB
Max memory channels42
Maximum memory bandwidth85.33 GB/s38.397 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel UHD Graphics 610
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.05 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i9-9900X and Pentium Gold G5420 integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Core i9-9900X and Pentium Gold G5420 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 i9-9900X and Pentium Gold G5420 integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core i9-9900X and Pentium Gold G5420.

PCIe version3.03.0
PCI Express lanes4416

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.

i9-9900X 13.76
+481%
Pentium Gold G5420 2.37

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i9-9900X 21857
+481%
Pentium Gold G5420 3761

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i9-9900X 1451
+93.7%
Pentium Gold G5420 749

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i9-9900X 9300
+513%
Pentium Gold G5420 1517

Gaming performance

Pros & cons summary


Performance score 13.76 2.37
Recency 19 October 2018 23 April 2019
Physical cores 10 2
Threads 20 4
Power consumption (TDP) 165 Watt 54 Watt

i9-9900X has a 480.6% higher aggregate performance score, and 400% more physical cores and 400% more threads.

Pentium Gold G5420, on the other hand, has an age advantage of 6 months, and 205.6% lower power consumption.

The Core i9-9900X is our recommended choice as it beats the Pentium Gold G5420 in performance tests.


Should you still have questions on choice between Core i9-9900X and Pentium Gold G5420, ask them in Comments section, and we shall answer.

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Intel Core i9-9900X
Core i9-9900X
Intel Pentium Gold G5420
Pentium Gold G5420

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.1 102 votes

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Questions & comments

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