INTEL

Intel Core i7-6900K

Intel processor specifications and benchmark scores

8
Cores
16
Threads
3.7
GHz Boost
140W
TDP
πŸ”“Unlocked

Intel Core i7-6900K Specifications

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Core i7-6900K Core Configuration

Processing cores and threading

The Intel Core i7-6900K features 8 physical cores and 16 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.

Cores
8
Threads
16
SMP CPUs
1
⏱️

i7-6900K Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in Core i7-6900K benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The Core i7-6900K by Intel can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
3.2 GHz
Boost Clock
3.7 GHz
Multiplier
32x πŸ”“
πŸ’Ύ

Intel's Core i7-6900K Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the i7-6900K processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The Core i7-6900K's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
64 KB (per core)
L2 Cache
256 KB (per core)
L3 Cache
20 MB (shared)
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Broadwell Architecture & Process

Manufacturing and design details

The Intel Core i7-6900K is built on Intel's 14 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in i7-6900K incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Broadwell
Codename
Broadwell-E
Process Node
14 nm
Foundry
Intel
Transistors
3,400 million
Die Size
246 mmΒ²
Generation
Core i7 (Broadwell-E)
πŸ”’

Broadwell Instruction Set Features

Supported CPU instructions and extensions

The Core i7-6900K by Intel supports various instruction set extensions that enable optimized performance for specific workloads. SIMD instructions like SSE and AVX accelerate multimedia, scientific computing, and AI workloads by processing multiple data points simultaneously. Features like AES-NI provide hardware-accelerated encryption, while AVX-512 (if supported) enables advanced vector processing for data centers and high-performance computing. These instruction sets are critical for software compatibility and performance in modern applications.

MMX
SSE
SSE2
SSE3
SSSE3
SSE4.1
SSE4.2
AVX
AVX2
FMA3
AES-NI
F16C
BMI1
BMI2
Intel 64
VT-x
VT-d
πŸ”Œ

i7-6900K Power & Thermal

TDP and power specifications

The Intel Core i7-6900K has a TDP (Thermal Design Power) of 140W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.

TDP
140W
πŸ”§

Intel Socket 2011-3 Platform & Socket

Compatibility information

The Core i7-6900K uses the Intel Socket 2011-3 socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.

Socket
Intel Socket 2011-3
PCIe
Gen 3, 40 Lanes(CPU only)
Package
FC-LGA14A
DDR5

Intel Socket 2011-3 Memory Support

RAM compatibility and speeds

Memory support specifications for the i7-6900K define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the Core i7-6900K determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.

Memory Type
DDR4
Memory Bus
Quad-channel
Memory Bandwidth
76.8 GB/s
πŸ“¦

Core i7-6900K Product Information

Release and pricing details

The Intel Core i7-6900K is manufactured by Intel and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the Core i7-6900K by Intel offers a specific balance of performance, features, and cost within Intel's product lineup.

Manufacturer
Intel
Release Date
May 2016
Launch Price
$1089
Market
Desktop
Status
End-of-life
Part Number
SR2PB

Core i7-6900K Benchmark Scores

cinebench_cinebench_r15_multicoreSource

Cinebench R15 multi-core renders a complex 3D scene using all CPU threads simultaneously. This test reveals how Intel Core i7-6900K performs in parallel rendering workloads like video production and 3D animation. The R15 version remains useful for comparing against older hardware benchmarks. Higher scores directly correlate with faster render times in Cinema 4D and similar 3D applications.

cinebench_cinebench_r15_multicore #669 of 1788
1,244
8%
Max: 14,978
Compare with other CPUs

cinebench_cinebench_r15_singlecoreSource

Cinebench R15 single-core measures the speed of one CPU thread rendering 3D geometry. This score indicates how Intel Core i7-6900K handles tasks that can't be parallelized across multiple cores. Games and many desktop applications still rely heavily on single-thread performance. A higher single-core score means snappier system responsiveness in everyday use.

cinebench_cinebench_r15_singlecore #671 of 1245
175
8%
Max: 2,114

cinebench_cinebench_r20_multicoreSource

Cinebench R20 multi-core uses a scene requiring 4x more computational power than R15. This test better reflects modern CPU capabilities for professional rendering on Intel Core i7-6900K. The more demanding workload provides better differentiation between current-generation processors.

cinebench_cinebench_r20_multicore #669 of 1788
5,186
8%
Max: 62,412
Compare with other CPUs

cinebench_cinebench_r20_singlecoreSource

Cinebench R20 single-core tests one thread against a more demanding scene than R15. This reveals the true single-thread rendering capability of Intel Core i7-6900K. The increased complexity provides more accurate performance differentiation between modern CPUs.

cinebench_cinebench_r20_singlecore #669 of 1784
732
8%
Max: 8,811

cinebench_cinebench_r23_multicoreSource

Cinebench R23 multi-core is the current standard for CPU rendering benchmarks with a 10-minute minimum runtime. This extended test reveals sustained performance of Intel Core i7-6900K after thermal limits kick in. The longer duration exposes cooling limitations that shorter benchmarks miss.

cinebench_cinebench_r23_multicore #669 of 1788
12,348
8%
Max: 148,601
Compare with other CPUs

πŸ† Top 5 Performers

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how Intel Core i7-6900K maintains boost clocks under continuous load. The extended runtime shows whether thermal throttling affects single-core performance.

cinebench_cinebench_r23_singlecore #669 of 1788
1,743
8%
Max: 20,979
Compare with other CPUs

geekbench_multicoreSource

Geekbench multi-core tests Intel Core i7-6900K across real-world workloads including image processing, machine learning, and data compression. All available threads are utilized to measure parallel performance. Higher scores indicate better capability in multitasking and content creation.

geekbench_multicore #204 of 711
7,290
32%
Max: 22,515
Compare with other CPUs

πŸ† Top 5 Performers

geekbench_singlecoreSource

Geekbench single-core measures how fast one thread of Intel Core i7-6900K can process tasks like web browsing and document editing. This score correlates with how snappy the system feels during normal use. Many applications still depend primarily on single-thread performance.

geekbench_singlecore #359 of 711
1,285
38%
Max: 3,401
Compare with other CPUs

About Intel Core i7-6900K

The Intel Core i7-6900K stands as a formidable flagship processor from the Broadwell-E generation, engineered for enthusiasts who demand uncompromised performance in high-end workloads and demanding games. Built on a refined 14 nm process, this CPU leverages the advanced architecture of its time to deliver exceptional core counts and threading capabilities, featuring 8 cores and 16 threads that propel multitasking and parallel processing to new heights. With a base clock of 3.20 GHz and a turbo boost reach of 3.70 GHz, the i7-6900K ensures that even under sustained stress, it maintains a competitive edge, while its shared 20 MB L3 cache acts as a critical reservoir for efficient data access, reducing bottlenecks in complex tasks. The 140W TDP reflects its power demands, but for those seeking the ultimate in computational prowess, the trade-off feels justified, especially in systems designed to harness its full potential. When paired with a robust cooling solution, the i7-6900K becomes a cornerstone of high-performance builds, powering everything from resource-intensive rendering pipelines to competitive gaming setups that crave every frame per second. This processor punches well above its weight in benchmarks, showcasing its ability to dominate multithreaded challenges like Cinebench R23, which scores a staggering 12,348 points, and Geekbench multithreaded tests with 7,290 points. On single-core tasks, the i7-6900K remains highly competent, hitting 1,743 points in Cinebench R23 and 1,285 points in Geekbench, ensuring it stays relevant in scenarios where single-threaded efficiency matters. Such performance places it solidly in the mid-to-high price bracket, where buyers anticipate premium capabilities, and for the price of $1,089, it represents a significant investment for users who prioritize raw horsepower and future-proofing potential. For gamers and creators alike, pairing the i7-6900K with high-speed RAM, a capable GPU, and a cutting-edge motherboard unlocks its full multithreaded muscle, making it a smart choice for systems that demand sustained power during overclocked marathons or content creation sessions. Ultimately, the i7-6900K isn’t just a processor it’s a statement of intent for enthusiasts who refuse to settle for anything less than the absolute peak of performance.

The AMD Equivalent of Core i7-6900K

Looking for a similar processor from AMD? The AMD Ryzen 7 1700 offers comparable performance and features in the AMD lineup.

AMD Ryzen 7 1700

AMD β€’ 8 Cores

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Popular Intel Core i7-6900K Comparisons

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