i7-6800K vs Ryzen 7 7840H

Aggregate performance score

Ryzen 7 7840H
2023
8 cores / 16 threads, 35 Watt
18.21
+164%
Core i7-6800K
2016
6 cores / 12 threads, 140 Watt
6.91

Ryzen 7 7840H outperforms Core i7-6800K by a whopping 164% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 7 7840H and Core i7-6800K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3421023
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data1.56
Market segmentLaptopDesktop processor
Power efficiency48.324.58
Architecture codenamePhoenix (2023−2024)Broadwell-E (2016)
Release dateJanuary 2023 (1 year ago)31 May 2016 (8 years ago)
Launch price (MSRP)no data$345

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 7 7840H and Core i7-6800K 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)6 (Hexa-Core)
Threads1612
Base clock speed3.8 GHz3.4 GHz
Boost clock speed5.1 GHz3.8 GHz
L1 cache64K (per core)32 KB (per core)
L2 cache1 MB (per core)256 KB (per core)
L3 cache16 MB (shared)15 MB (shared)
Chip lithography4 nm14 nm
Die size178 mm2no data
Maximum case temperature (TCase)no data72 °C
Number of transistors25,000 millionno data
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier-+

Compatibility

Information on Ryzen 7 7840H and Core i7-6800K 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
SocketFP8FCLGA2011
Power consumption (TDP)35 Watt140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 7840H and Core i7-6800K. You'll probably need this information if you require some particular technology.

AES-NI++
AVX++
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
Idle Statesno data+
Smart Responseno data+
Turbo Boost Max 3.0no data+
Precision Boost 2+no data

Security technologies

Ryzen 7 7840H and Core i7-6800K technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 7840H and Core i7-6800K are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 7840H and Core i7-6800K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-5600DDR4
Maximum memory sizeno data128 GB
Max memory channelsno data4

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon 780Mno data

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 7840H and Core i7-6800K.

PCIe version4.03.0
PCI Express lanes2028

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.

Ryzen 7 7840H 18.21
+164%
i7-6800K 6.91

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.

Ryzen 7 7840H 28390
+164%
i7-6800K 10764

Gaming performance

Pros & cons summary


Performance score 18.21 6.91
Physical cores 8 6
Threads 16 12
Chip lithography 4 nm 14 nm
Power consumption (TDP) 35 Watt 140 Watt

Ryzen 7 7840H has a 163.5% higher aggregate performance score, 33.3% more physical cores and 33.3% more threads, a 250% more advanced lithography process, and 300% lower power consumption.

The Ryzen 7 7840H is our recommended choice as it beats the Core i7-6800K in performance tests.

Be aware that Ryzen 7 7840H is a notebook processor while Core i7-6800K is a desktop one.


Should you still have questions on choice between Ryzen 7 7840H and Core i7-6800K, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD Ryzen 7 7840H
Ryzen 7 7840H
Intel Core i7-6800K
Core i7-6800K

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Community ratings

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Questions & comments

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