Ryzen 5 3400G vs i7-6700K

Aggregate performance score

Core i7-6700K
2015
4 cores / 8 threads, 91 Watt
5.62
Ryzen 5 3400G
2019
4 cores / 8 threads, 65 Watt
5.82
+3.6%

Ryzen 5 3400G outperforms Core i7-6700K by a minimal 4% based on our aggregate benchmark results.

Primary details

Comparing Core i7-6700K and Ryzen 5 3400G processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking11351112
Place by popularitynot in top-10092
Cost-effectiveness evaluation1.06no data
Market segmentDesktop processorDesktop processor
SeriesIntel Core i7 (Desktop)AMD Ryzen 5
Power efficiency5.848.47
Architecture codenameSkylake (2015−2016)Picasso (2019−2022)
Release date5 August 2015 (9 years ago)7 July 2019 (5 years ago)
Launch price (MSRP)$339no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-6700K and Ryzen 5 3400G 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)4 (Quad-Core)
Threads88
Base clock speed4 GHz3.7 GHz
Boost clock speed4.2 GHz4.2 GHz
Bus typeDMI 3.0PCIe 3.0
Bus rate4 × 8 GT/sno data
Multiplier4037
L1 cache64 KB (per core)128K (per core)
L2 cache256 KB (per core)512K (per core)
L3 cache8 MB (shared)4 MB (shared)
Chip lithography14 nm12 nm
Die size122 mm2210 mm2
Maximum case temperature (TCase)64 °Cno data
Number of transistors1750 Million4,950 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Core i7-6700K and Ryzen 5 3400G 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)
SocketFCLGA1151AM4
Power consumption (TDP)91 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6700K and Ryzen 5 3400G. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Idle States+no data
Thermal Monitoring+-

Security technologies

Core i7-6700K and Ryzen 5 3400G technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6700K and Ryzen 5 3400G are enumerated here.

AMD-V++
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-6700K and Ryzen 5 3400G. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR4-2933
Maximum memory size64 GB64 GB
Max memory channels22
Maximum memory bandwidth34.134 GB/s46.933 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 530AMD Radeon RX Vega 11
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.15 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-6700K and Ryzen 5 3400G integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i7-6700K and Ryzen 5 3400G integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Core i7-6700K and Ryzen 5 3400G integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i7-6700K and Ryzen 5 3400G.

PCIe version3.03.0
PCI Express lanes1620

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.

i7-6700K 5.62
Ryzen 5 3400G 5.82
+3.6%

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.

i7-6700K 8933
Ryzen 5 3400G 9250
+3.5%

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.

i7-6700K 1506
+32.9%
Ryzen 5 3400G 1133

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.

i7-6700K 4939
+36.1%
Ryzen 5 3400G 3630

Gaming performance

Pros & cons summary


Performance score 5.62 5.82
Integrated graphics card 2.59 5.47
Recency 5 August 2015 7 July 2019
Chip lithography 14 nm 12 nm
Power consumption (TDP) 91 Watt 65 Watt

Ryzen 5 3400G has a 3.6% higher aggregate performance score, 111.2% faster integrated GPU, an age advantage of 3 years, a 16.7% more advanced lithography process, and 40% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i7-6700K and Ryzen 5 3400G.


Should you still have questions on choice between Core i7-6700K and Ryzen 5 3400G, 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 i7-6700K
Core i7-6700K
AMD Ryzen 5 3400G
Ryzen 5 3400G

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Community ratings

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