Xeon Gold 5420+ vs i7-7820X

Aggregate performance score

Core i7-7820X
2017
8 cores / 16 threads, 140 Watt
11.22
Xeon Gold 5420+
2023
28 cores / 56 threads, 205 Watt
38.04
+239%

Xeon Gold 5420+ outperforms Core i7-7820X by a whopping 239% based on our aggregate benchmark results.

Primary details

Comparing Core i7-7820X and Xeon Gold 5420+ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking71394
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.3658.72
Market segmentDesktop processorServer
SeriesIntel Core i7no data
Power efficiency7.3116.92
Architecture codenameSkylake (server) (2017−2019)Sapphire Rapids (2023−2024)
Release date30 May 2017 (7 years ago)10 January 2023 (1 year ago)
Launch price (MSRP)$599$1,848

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Gold 5420+ has 1648% better value for money than i7-7820X.

Detailed specifications

Core i7-7820X and Xeon Gold 5420+ 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 cores8 (Octa-Core)28 (Octacosa-Core)
Threads1656
Base clock speed3.6 GHz2 GHz
Boost clock speed4.5 GHz4.1 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier36no data
L1 cache512 KB80K (per core)
L2 cache8 MB2 MB (per core)
L3 cache11 MB (shared)52.5 MB
Chip lithography14 nm10 nm
Maximum core temperature99 °Cno data
Maximum case temperature (TCase)72 °C84 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Core i7-7820X and Xeon Gold 5420+ 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)2
SocketFCLGA20664677
Power consumption (TDP)140 Watt205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7820X and Xeon Gold 5420+. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512no data
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX++
Turbo Boost Max 3.0+no data

Security technologies

Core i7-7820X and Xeon Gold 5420+ technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-7820X and Xeon Gold 5420+ are enumerated here.

VT-d++
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7820X and Xeon Gold 5420+. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR5-4400
Maximum memory size128 GBno data
Max memory channels4no data
Maximum memory bandwidth85.33 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/Ano data

Peripherals

Specifications and connection of peripherals supported by Core i7-7820X and Xeon Gold 5420+.

PCIe version3.05.0
PCI Express lanes2880

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.

i7-7820X 11.22
Xeon Gold 5420+ 38.04
+239%

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.

i7-7820X 17165
Xeon Gold 5420+ 58209
+239%

Gaming performance

Pros & cons summary


Performance score 11.22 38.04
Recency 30 May 2017 10 January 2023
Physical cores 8 28
Threads 16 56
Chip lithography 14 nm 10 nm
Power consumption (TDP) 140 Watt 205 Watt

i7-7820X has 46.4% lower power consumption.

Xeon Gold 5420+, on the other hand, has a 239% higher aggregate performance score, an age advantage of 5 years, 250% more physical cores and 250% more threads, and a 40% more advanced lithography process.

The Xeon Gold 5420+ is our recommended choice as it beats the Core i7-7820X in performance tests.

Note that Core i7-7820X is a desktop processor while Xeon Gold 5420+ is a server/workstation one.


Should you still have questions on choice between Core i7-7820X and Xeon Gold 5420+, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i7-7820X
Core i7-7820X
Intel Xeon Gold 5420+
Xeon Gold 5420+

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