Ryzen 7 5825U vs i7-6900K

Aggregate performance score

Core i7-6900K
2016
8 cores / 16 threads, 140 Watt
9.46
Ryzen 7 5825U
2022
8 cores / 16 threads, 15 Watt
11.99
+26.7%

Ryzen 7 5825U outperforms Core i7-6900K by a significant 27% based on our aggregate benchmark results.

Primary details

Comparing Core i7-6900K and Ryzen 7 5825U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking832669
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.99no data
Market segmentDesktop processorLaptop
Seriesno dataAMD Cezanne (Zen 3, Ryzen 5000)
Power efficiency6.1672.89
Architecture codenameBroadwell-E (2016)Barcelo-U (Zen 3) (2022)
Release date31 May 2016 (8 years ago)6 January 2022 (2 years ago)
Launch price (MSRP)$1,020no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-6900K and Ryzen 7 5825U 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)8 (Octa-Core)
Threads1616
Base clock speed3.2 GHz2 GHz
Boost clock speed4 GHz4.5 GHz
L1 cache32 KB (per core)64K (per core)
L2 cache256 KB (per core)512K (per core)
L3 cache20 MB (shared)16 MB (shared)
Chip lithography14 nm7 nm
Die sizeno data180 mm2
Maximum core temperatureno data95 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data10,700 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-

Compatibility

Information on Core i7-6900K and Ryzen 7 5825U 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
SocketFCLGA2011FP6
Power consumption (TDP)140 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-6900K and Ryzen 7 5825U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataMMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI++
FMA-+
AVX++
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Smart Response+no data
Turbo Boost Max 3.0+no data
Precision Boost 2no data+

Security technologies

Core i7-6900K and Ryzen 7 5825U technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-6900K and Ryzen 7 5825U 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 i7-6900K and Ryzen 7 5825U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory size128 GBno data
Max memory channels4no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon RX Vega 8 (Ryzen 4000/5000)

Peripherals

Specifications and connection of peripherals supported by Core i7-6900K and Ryzen 7 5825U.

PCIe version3.03.0
PCI Express lanes4016

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.

i7-6900K 9.46
Ryzen 7 5825U 11.99
+26.7%

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.

i7-6900K 14470
Ryzen 7 5825U 18343
+26.8%

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.

i7-6900K 1287
Ryzen 7 5825U 1725
+34%

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.

i7-6900K 7202
+13.7%
Ryzen 7 5825U 6335

Gaming performance

Pros & cons summary


Performance score 9.46 11.99
Recency 31 May 2016 6 January 2022
Chip lithography 14 nm 7 nm
Power consumption (TDP) 140 Watt 15 Watt

Ryzen 7 5825U has a 26.7% higher aggregate performance score, an age advantage of 5 years, a 100% more advanced lithography process, and 833.3% lower power consumption.

The Ryzen 7 5825U is our recommended choice as it beats the Core i7-6900K in performance tests.

Note that Core i7-6900K is a desktop processor while Ryzen 7 5825U is a notebook one.


Should you still have questions on choice between Core i7-6900K and Ryzen 7 5825U, 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 i7-6900K
Core i7-6900K
AMD Ryzen 7 5825U
Ryzen 7 5825U

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Community ratings

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Questions & comments

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