Core i5-3427U vs Core i7-7820X

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Aggregate performance score

Core i7-7820X
2017
8 cores / 16 threads, 140 Watt
11.10
+660%

i7-7820X outperforms i5-3427U by a whopping 660% based on our aggregate benchmark results.

Primary details

Comparing Core i7-7820X and Core i5-3427U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking6562089
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation8.58no data
Market segmentDesktop processorLaptop
SeriesIntel Core i7Intel Core i5
Architecture codenameSkylake (server) (2017−2019)Ivy Bridge (2012−2013)
Release date30 May 2017 (7 years ago)1 June 2012 (12 years ago)
Launch price (MSRP)$599$225
Current price$341 (0.6x MSRP)$319 (1.4x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-7820X and Core i5-3427U 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)2 (Dual-core)
Threads164
Base clock speed3.6 GHz1.8 GHz
Boost clock speed4.5 GHz2.8 GHz
Bus support4 × 8 GT/sno data
L1 cache512 KB64K (per core)
L2 cache8 MB256K (per core)
L3 cache11 MB (shared)3 MB (shared)
Chip lithography14 nm22 nm
Die sizeno data118 mm2
Maximum core temperature99 °C105 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility+-
Unlocked multiplierYesNo

Compatibility

Information on Core i7-7820X and Core i5-3427U 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 configuration11
SocketFCLGA2066FCBGA1023
Power consumption (TDP)140 Watt17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7820X and Core i5-3427U. 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® AVX
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
My WiFino data+
Turbo Boost Technology2.0+
Hyper-Threading Technology++
TSX+no data
Idle Statesno data+
Thermal Monitoringno data+
Flex Memory Accessno data+
Demand Based Switchingno data-
Turbo Boost Max 3.0+no data
FDIno data+
Fast Memory Accessno data+
StatusDiscontinuedDiscontinued

Security technologies

Core i7-7820X and Core i5-3427U technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB++
Secure Keyno data+
Identity Protectionno data+
Anti-Theftno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-7820X and Core i5-3427U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7820X and Core i5-3427U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR3/L/-RS 1333/1600
Maximum memory size128 GB32 GB
Max memory channels42
Maximum memory bandwidth85 GB/s25.6 GB/s
ECC memory support--

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel HD Graphics 4000
Quick Sync Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.15 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i7-7820X and Core i5-3427U integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPortno data+
HDMIno data+
SDVOno data+
CRTno data+

Peripherals

Specifications and connection of peripherals supported by Core i7-7820X and Core i5-3427U.

PCIe version3.02.0
PCI Express lanes2816

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 11.10
+660%
i5-3427U 1.46

Core i7-7820X outperforms Core i5-3427U by 660% based on our aggregate benchmark results.


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.

Benchmark coverage: 68%

i7-7820X 17163
+660%
i5-3427U 2258

Core i7-7820X outperforms Core i5-3427U by 660% in Passmark.

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.

Benchmark coverage: 42%

i7-7820X 1413
+223%
i5-3427U 437

Core i7-7820X outperforms Core i5-3427U by 223% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

i7-7820X 7809
+782%
i5-3427U 885

Core i7-7820X outperforms Core i5-3427U by 782% in GeekBench 5 Multi-Core.

Gaming performance

Pros & cons summary


Performance score 11.10 1.46
Recency 30 May 2017 1 June 2012
Physical cores 8 2
Threads 16 4
Cost $599 $225
Chip lithography 14 nm 22 nm
Power consumption (TDP) 140 Watt 17 Watt

The Core i7-7820X is our recommended choice as it beats the Core i5-3427U in performance tests.

Note that Core i7-7820X is a desktop processor while Core i5-3427U is a notebook one.


Should you still have questions on choice between Core i7-7820X and Core i5-3427U, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i7-7820X
Core i7-7820X
Intel Core i5-3427U
Core i5-3427U

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Community ratings

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Questions & comments

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