Pentium Gold G6400 vs i7-6820HQ

VS

Aggregate performance score

Core i7-6820HQ
2015
4 cores / 8 threads, 45 Watt
4.29
+65%
Pentium Gold G6400
2020
2 cores / 4 threads, 58 Watt
2.60

Core i7-6820HQ outperforms Pentium Gold G6400 by an impressive 65% based on our aggregate benchmark results.

Primary details

Comparing Core i7-6820HQ and Pentium Gold G6400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking13701732
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Core i7no data
Power efficiency8.974.22
Architecture codenameSkylake (2015−2016)Comet Lake (2020)
Release date1 September 2015 (9 years ago)30 April 2020 (4 years ago)
Launch price (MSRP)$378no data

Detailed specifications

Core i7-6820HQ and Pentium Gold G6400 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 cores4 (Quad-Core)2 (Dual-core)
Threads84
Base clock speed2.7 GHz4 GHz
Boost clock speed3.6 GHz4 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s8 GT/s
Multiplier27no data
L1 cache256 KB64K (per core)
L2 cache1 MB256K (per core)
L3 cache8 MB4 MB (shared)
Chip lithography14 nm14 nm
Die size122 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Core i7-6820HQ and Pentium Gold G6400 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
SocketFCBGA1440FCLGA1200
Power consumption (TDP)45 Watt58 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6820HQ and Pentium Gold G6400. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
My WiFi+no data
Turbo Boost Technology2.0-
Hyper-Threading Technology++
TSX+-
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
SIPP+-
Smart Response+no data
Turbo Boost Max 3.0no data-

Security technologies

Core i7-6820HQ and Pentium Gold G6400 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
MPX+-
Identity Protection++
SGXYes with Intel® MEYes with Intel® ME
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6820HQ and Pentium Gold G6400 are enumerated here.

AMD-V+-
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6820HQ and Pentium Gold G6400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR4-2666
Maximum memory size64 GB128 GB
Max memory channels22
Maximum memory bandwidth34.134 GB/s41.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 530Intel UHD Graphics 610
Max video memory64 GB64 GB
Quick Sync Video++
Clear Video++
Clear Video HD++
Graphics max frequency1.05 GHz1.05 GHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i7-6820HQ and Pentium Gold G6400 integrated GPUs.

Number of displays supported33
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i7-6820HQ and Pentium Gold G6400 integrated GPUs, including resolutions over different interfaces.

4K resolution support++
Max resolution over HDMI 1.44096x2304@24Hz4096x2160@30Hz
Max resolution over eDP4096x2304@60Hz4096x2304@60Hz
Max resolution over DisplayPort4096x2304@60Hz4096x2304@60Hz
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Core i7-6820HQ and Pentium Gold G6400 integrated GPUs, sometimes API versions are included.

DirectX1212
OpenGL4.54.5

Peripherals

Specifications and connection of peripherals supported by Core i7-6820HQ and Pentium Gold G6400.

PCIe version3.03.0
PCI Express lanes1616

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.

i7-6820HQ 4.29
+65%
Pentium Gold G6400 2.60

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.

i7-6820HQ 6815
+65.3%
Pentium Gold G6400 4124

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.

i7-6820HQ 1120
+39.8%
Pentium Gold G6400 801

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.

i7-6820HQ 3485
+111%
Pentium Gold G6400 1655

Gaming performance

Pros & cons summary


Performance score 4.29 2.60
Integrated graphics card 2.60 1.89
Recency 1 September 2015 30 April 2020
Physical cores 4 2
Threads 8 4
Power consumption (TDP) 45 Watt 58 Watt

i7-6820HQ has a 65% higher aggregate performance score, 37.6% faster integrated GPU, 100% more physical cores and 100% more threads, and 28.9% lower power consumption.

Pentium Gold G6400, on the other hand, has an age advantage of 4 years.

The Core i7-6820HQ is our recommended choice as it beats the Pentium Gold G6400 in performance tests.

Be aware that Core i7-6820HQ is a notebook processor while Pentium Gold G6400 is a desktop one.


Should you still have questions on choice between Core i7-6820HQ and Pentium Gold G6400, ask them in Comments section, and we shall answer.

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Intel Core i7-6820HQ
Core i7-6820HQ
Intel Pentium Gold G6400
Pentium Gold G6400

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Community ratings

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Questions & comments

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