Average Bench: 88.9% (43rd of 1255)

Based on 3,875 user benchmarks.  Devices: BFEBFBFF000406F1, 1FABFBFF000406F1, 0000000000000000, 0F8BFBFF000406F1, 1F8BFBFF000406F1 Model: Intel(R) Core(TM) i7-6900K CPU @ 3.20GHz

The Core i7-6900K is one of four new Broadwell-E prosumer CPUs. This model has eight cores with base and turbo frequencies of 3.2 and 4.0 GHz respectively. The 6900K is based on a 14 nm architecture, it has a TDP of 140 watts, 40 PCIe 3.0 lanes and no integrated graphics. Because of its MSRP of $1,100, the 6900K only makes sense for very niche use cases which include top end graphics design and video production. Comparing the 6900K and 6700K shows that for typical desktop use the 6900K only offers a gain of around 12% for a whopping three fold price increase. This is because desktop computing largely depends on single core performance and the Skylake i7-6700K is both clocked higher and has higher IPC due to its one generation lead over the 6900K. That said, as a workstation CPU the 6900K is bested only by the $2,000 flagship ten core 6950X. (6900K vs 6950X[Jun '16 CPUPro]

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Poor: 80%Average: 88.9% Great: 98%
Gaming
Gaming 89%
Aircraft carrier
Desktop
Desktop 88%
Aircraft carrier
Workstation
Workstation 86%
Aircraft carrier

Very good average bench

The Intel Core i7-6900K averaged just 11.0% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Intel Core i7-6900K near the top of the comparison list.

Strengths

Avg. Memory Latency 91Pts
Avg. Quad Core Mixed Speed 466Pts

Very good consistency

The range of scores (95th - 5th percentile) for the Intel Core i7-6900K is just 18.7%. This is a relatively narrow range which indicates that the Intel Core i7-6900K performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. Multi Core Mixed Speed 1,193Pts
Avg. Dual Core Mixed Speed 231Pts
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Average Bench

(Based on 3,875 samples)
Min Avg Max
81.8 Memory 91 96.7
93.2 1-Core 115 136
190 2-Core 231 275
84.5% 146 Pts
Min Avg Max
396 4-Core 466 549
659 8-Core 866 1,067
82.8% 666 Pts
Min Avg Max
1,012 64-Core 1,193 1,400
80.1% 1,193 Pts
User Benchmarks Bench Normal Heavy Server
The fastest CPU (mainstream) averages a speed of 100%
SOCKET 0, 1 CPU, 8 cores, 8 threads
Base clock 3.2 GHz, turbo 3.7 GHz (avg)
Memory 96.7
1-Core 116
2-Core 230
86% 148 Pts
4-Core 463
8-Core 867
83% 665 Pts
64-Core 911
61% 911 Pts
SOCKET 2011, 1 CPU, 8 cores, 16 threads
Base clock 3.2 GHz, turbo 3.7 GHz (avg)
Memory 80.3
1-Core 113
2-Core 233
81% 142 Pts
4-Core 389
8-Core 636
65% 513 Pts
64-Core 1,079
72% 1,079 Pts
3,875 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 30,455,996 CPUs tested.

 Prices

Approx. $1100 @ launch in Jun '16
AmazonUS $65050 mins
EbayUS $7708 mins
BHPhotoUS $1,0502 years
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Typical Core i7-6900K Builds (Compare 4,472 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 101%
UFO
Desktop
Desktop 110%
UFO
Workstation
Workstation 102%
UFO

Motherboard: Asus RAMPAGE V EDITION 10 - $332

EDIT WITH CUSTOM PC BUILDER Value: 49% - Average Total price: $1,892

Popular Core i7-6900K compatible motherboards:

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Processor Rankings (Price vs Performance) July 2020 CPU Rankings.

We calculate effective speed which measures real world performance for typical users. Effective speed is adjusted by current prices to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top CPUs. [CPUPro]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.

 Specifications

Essentials

DescriptionIntel® Core™ i7-6900K Processor (20M Cache, up to 3.70 GHz)
Code NameBroadwell E
Launch DateQ2'16
Processor Numberi7-6900K
# of Cores8
# of Threads16
Cache20 MB
Instruction Set64-bit
Embedded Options AvailableNo
Lithography14 nm
Recommended PriceN/A
Clock Speed3.2 GHz
Max Turbo Frequency4 GHz
Scalability1S Only
Max TDP140 W

Graphics

Processor GraphicsNone

Memory

Max Memory Size128 GB
Memory TypesDDR4 2400/2133
Memory Channels4
ECC Memory SupportedNo

Expansion Options

PCI Express Revision3.0
Max # of PCI Express Lanes40

Data Protection

AES New InstructionsYes

Advanced Technologies

Turbo Boost 3.0 TechYes
Virtualization Tech (VT-x)Yes
Intel 64Yes
Idle StatesYes
Enhanced Intel SpeedStep® TechYes
Turbo Boost Tech2.0
Hyper-Threading TechYes
Virtualization for Directed I/O (VT-d)Yes
VT-x with Extended Page Tables (EPT)Yes
vPro TechNo
Smart Response TechYes

Package

Max CPU Configuration1
Sockets SupportedLGA2011-v3

Platform Protection

Execute Disable BitYes
Trusted Execution TechNo

 Comments

Added 4 years ago.

Good

4 years ago.


Terrible

2 years ago.

low perfomance for that price


Average

7 months ago.

OC as well @ high temp add unstabile; also much options available


Your
opinion?
1255 Processors (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different CPUs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

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Intel Core i7-9700K $365Nvidia RTX 2070S (Super) $510Samsung 860 Evo 250GB $50
HDDRAMUSB
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WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3000 C15 2x8GB $75SanDisk Extreme 32GB $46
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $681SanDisk Extreme 16GB $24
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