Core i7-6800K

Details and Benchmarks for Intel Core i7-6800K

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Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for Core i7-6800K based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

5,437 Rank: 525
Rank Name Score Visual
521 Core i7-5775R 5,442
+0.1%
522 Core i7-5850HQ 5,442
+0.1%
523 EPYC 7232P 5,441
+0.1%
524 Xeon Gold 6128 5,438
+0%
525 Core i7-6800K 5,437
526 Xeon Silver 4310 5,437
+0%
527 Xeon E5-2673 v4 5,436
+-0%
528 Xeon E5-4627 v4 5,435
+-0%
529 Pentium Gold G4600 5,434
-0.1%
530 Core i7-1185GRE 5,434
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Core i7-6800K based on multi-threaded benchmark results.

5,288 Rank: 478
Rank Name Score Visual
474 Xeon Gold 6128 5,290
+0%
475 Ryzen 5 2600 5,290
+0%
476 Xeon E5-4655 v4 5,288
+0%
477 Core i3-6167U 5,288
+0%
478 Core i7-6800K 5,288
479 Core i7-5930K 5,285
-0.1%
480 Xeon E5-1650 v4 5,283
-0.1%
481 Xeon E5-1650 0 5,280
-0.2%
482 Core i7-10870H 5,275
-0.2%
483 Core i9-10885H 5,274
-0.3%

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Singlecore Score

Single-core performance score for Core i7-6800K based on single-threaded benchmark results.

5,537 Rank: 528
Rank Name Score Visual
524 Core i5-10400 5,539
+0%
525 Xeon E-2288G 5,538
+0%
526 Core i5-4670S 5,538
+0%
527 Core i7-9850HE 5,538
+0%
528 Core i7-6800K 5,537
529 Xeon Gold 6128 5,536
+-0%
530 Core i3-8100 5,536
+-0%
531 Core i5-7360U 5,535
+-0%
532 Core i5-1145G7 5,532
-0.1%
533 Core i5-8300H 5,531
-0.1%

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Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for Core i7-6800K based on integer math, floating point math, and prime number computation benchmarks.

4,843 Rank: 485
Rank Name Score Visual
481 Xeon E-2226G 4,847
+0.1%
482 Ryzen 5 4600HS 4,847
+0.1%
483 Ryzen 5 PRO 2600 4,845
+0%
484 Ryzen 5 4600H 4,845
+0%
485 Core i7-6800K 4,843
486 Core i7-10850H 4,843
+0%
487 Xeon E-2276M 4,841
+-0%
488 Core i5-10400F 4,841
+-0%
489 Ryzen 5 2600 4,840
-0.1%
490 Xeon E5-2660 v2 4,840
-0.1%

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Data Processing

Aggregated score for Core i7-6800K based on data encryption, data compression, and string sorting benchmarks.

4,830 Rank: 529
Rank Name Score Visual
525 Core i7-5930K 4,834
+0.1%
526 Core i5-10500T 4,834
+0.1%
527 Core i7-4930K 4,831
+0%
528 Xeon D-1540 4,830
+0%
529 Core i7-6800K 4,830
530 Ryzen 3 5400U 4,829
+-0%
531 Core i7-9850H 4,828
+-0%
532 Xeon D-1541 4,827
-0.1%
533 Xeon E5-4655 v4 4,824
-0.1%
534 Xeon E5-1650 v2 4,824
-0.1%

View full ranking →

Physics & Compute

Aggregated score for Core i7-6800K based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,898 Rank: 467
Rank Name Score Visual
463 Xeon E5-2643 v4 4,901
+0.1%
464 Ryzen 5 4600H 4,899
+0%
465 Ryzen 7 4700U 4,899
+0%
466 Core i7-9700T 4,898
+0%
467 Core i7-6800K 4,898
468 Core i5-9600 4,897
+-0%
469 Xeon E5-1650 v4 4,896
+-0%
470 Xeon D-2146NT 4,896
+-0%
471 Core i7-5930K 4,896
+-0%
472 Core i7-10700T 4,896
+-0%

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Core i7-6800K Details

Ranking #525 of 2060 in overall performance, the Intel Core i7-6800K presents a compelling snapshot of mid-tier desktop computing from the mid-2010s. Launched in May 2016, this processor has long since passed its prime, yet it still holds relevance for enthusiasts and professionals working with older systems. Built on Intel’s Broadwell-E architecture at a 14 nm process, the i7-6800K features six cores and twelve threads, enabled by Intel Hyper-Threading, which allows it to handle demanding multitasking workloads efficiently. With a base frequency of 3.4 GHz and a turbo boost up to 3.8 GHz, it delivers solid single-threaded performance, as evidenced by its Singlecore Score of 5537, placing it just behind top-tier modern CPUs but still competitive with many mainstream processors of its era.

The i7-6800K is designed for high-end desktops and requires an LGA2011-v3 socket, which supports quad-channel DDR4 memory at up to 2400 MT/s, providing a peak memory bandwidth of 68 GB/s. It also supports up to 128 GB of DDR4 memory across four channels, making it suitable for memory-intensive applications. The processor operates at a thermal design power (TDP) of 140 W, indicating high power consumption and necessitating robust cooling solutions, especially when overclocked. It features a substantial 14.305 MiB of L3 cache, along with 0.031 MiB of L1 and 0.244 MiB of L2 cache, helping to reduce latency and improve data throughput.

Notably, the i7-6800K lacks integrated graphics, requiring a discrete GPU for any visual output. Despite this, it supports a wide array of advanced features, including AVX2, AES-NI, and Intel Virtualization Technology (VT-x, VT-d), enabling efficient virtualization and encryption tasks. The processor also supports hardware virtualization, which enhances performance in virtual machine environments. Its unlocked multiplier simplifies overclocking, making it a favorite among enthusiasts seeking to push performance beyond stock settings.

In benchmark testing, the i7-6800K achieves an Overall Score of 5437, a Multicore Score of 5288, and a Singlecore Score of 5537. These results place it in the upper tier of mid-range processors from its generation, though it is surpassed by newer models such as the Ryzen 5 2600 and Xeon Gold 6128. In multicore performance, it ranks #476 of 2060, showing strong scaling for its time but falling behind modern multi-core processors in raw throughput. Its single-core performance, however, remains relatively strong, placing it at #528 of 2060, highlighting its strength in applications that rely on high clock speeds and efficient core architecture.

As of March 2026, the Core i7-6800K is best suited for legacy systems or budget builds where integrated graphics are not required and the need for high TDP components is acceptable. While it is no longer competitive with the latest CPUs in the top 50, it remains a capable option for productivity tasks, light gaming, and content creation when paired with a modern GPU. Its longevity and overclocking potential ensure that it continues to serve as a reliable workhorse for users who value stability and performance over cutting-edge technology.
Frequently Compared

AMD Ryzen 7 PRO 2700X 34 views

AMD Ryzen 5 PRO 3500U 33 views

AMD Ryzen 9 PRO 3900 32 views

AMD EPYC 7402P 31 views

AMD Ryzen 3 PRO 2200GE 30 views

Intel Xeon Silver 4214 30 views

Intel Xeon Silver 4116T 29 views

Intel Xeon Silver 4114 29 views

Intel Xeon Silver 4109T 29 views

AMD EPYC 7452 26 views

Intel Core i7-6800K

Main Specifications

Designer: Intel
Name: Core i7-6800K
Model Number: i7-6800K
Cores: 6
Threads: 12
Base Frequency: 3400 MHz
Clock Multiplier: 34x (locked)
Core Name: Broadwell-E
Socket: LGA2011-v3
Package:
Target Segment: Desktop
Max CPUs: 1
TDP: 140 W

Cache Specifications

L1 Cache: 31.744 KiB
L2 Cache: 0.244 MiB
L3 Cache: 14.305 MiB

Memory Specifications

Supported Memory Type: DDR4 2400/2133
Memory Channels: 4
Maximum Memory: 0 GB
Maximum Bandwidth: 68 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 3.0
PCIe Lanes: 28
PCIe Configuration: Up to 1x16, 2x8, 1x8+2x4

Integrated Graphics

GPU: None
GPU Designer: Intel
GPU Max Frequency: 1150 MHz

Physical Specifications

Process: 14 nm
Die Area: 246 mm²
Manufacturer: Intel
Word Size: 64-bit

CPU Features

MMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 BMI1 BMI2 FMA3 AES CLMUL F16C x86-64 HT EIST TXT VT-x VT-d EPT Secure Key SMEP IPT TSX
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