IntelBX80671I76900K
AMDYD270XBGAFBOX

8 Cores, 16 Threads @3.2GHz, Broadwell-E.
Release date: Q2 2016.

8 Cores, 16 Threads @3.7GHz, Zen+.
Release date: Q2 2018.

Real World Speed
Performance profile from 485,351 user samples
5,708 User Benchmarks
Best Bench: 97% Base clock 3.2 GHz, turbo 4.5 GHz (avg)
Worst Bench: 79% Base clock 3.2 GHz, turbo 1.3 GHz (avg)
Poor: 79% Great: 97%
SPEED RANK: 72nd / 1316
Gaming
Gaming 87%
Aircraft carrier
Desktop
Desktop 87%
Aircraft carrier
Workstation
Workstation 84%
Aircraft carrier
479,643 User Benchmarks
Best Bench: 88% Base clock 3.7 GHz
Worst Bench: 71% Base clock 3.7 GHz, turbo 0.5 GHz (avg)
Poor: 71% Great: 88%
SPEED RANK: 141st / 1316
Gaming
Gaming 81%
Aircraft carrier
Desktop
Desktop 82%
Aircraft carrier
Workstation
Workstation 81%
Aircraft carrier
Effective Speed
Effective CPU Speed
87 % Slightly faster effective speed.
+7%
81 %
Memory
Avg. Memory Latency
88.6 Pts Lower memory latency.
+12%
79 Pts
1-Core
Avg. Single Core Mixed Speed
115 Pts 116 Pts +1%
2-Core
Avg. Dual Core Mixed Speed
228 Pts 228 Pts
4-Core
Avg. Quad Core Mixed Speed
459 Pts +3% 445 Pts
8-Core
Avg. Octa Core Mixed Speed
842 Pts +5% 805 Pts
Memory
OC Memory Latency
96 Pts Slightly lower OC memory latency.
+9%
88.2 Pts
1-Core
OC Single Core Mixed Speed
135 Pts Slightly faster OC single-core speed.
+9%
124 Pts
2-Core
OC Dual Core Mixed Speed
269 Pts Slightly faster OC dual-core speed.
+10%
245 Pts
4-Core
OC Quad Core Mixed Speed
538 Pts Faster OC quad-core speed.
+11%
485 Pts
8-Core
OC Octa Core Mixed Speed
1021 Pts Slightly faster OC octa-core speed.
+9%
934 Pts
Market Share
Based on 44,090,613 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.01 % 1.14 % Insanely higher market share.
+11,300%
Value
Value For Money
71.6 % 82.2 % Better value.
+15%
User Rating
UBM User Rating
53 % 71 % Much more popular.
+34%
Price
Price (score)
$565 $263 Much cheaper.
+53%
Age
Newest
60 Months 38 Months Much more recent.
+37%
TDP
Thermal Design Power (TDP)
140 Watts 105 Watts More energy efficient.
+25%
Cores
CPU Processing Cores
8 cores 8 cores
Threads
CPU Processing Threads
16 threads 16 threads
Lithography
Manufacturing process
14 nm 12 nm Newer manufacturing.
+14%
Base Clock
Base Clock Speed
3.2 GHz 3.7 GHz Faster base frequency.
+16%
Turbo Clock
Turbo Clock Speed
4 GHz 4.3 GHz Slightly faster turbo frequency.
+8%
64-Core
OC Multi Core Mixed Speed
1385 Pts +3% 1350 Pts
64-Core
Avg. Multi Core Mixed Speed
1175 Pts 1239 Pts Slightly faster 64-core speed.
+5%
Series
CPU Architecture
Broadwell-E Zen+
Socket
Motherboard Socket
LGA2011-V3 AM4
Graphics
Integrated Graphics
None None
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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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The 8 core, 16 thread 2700X is AMD’s second generation Ryzen 7 flagship following in the wake of the Ryzen 7 1800X which continues to offer excellent multi-core value for money. This new Pinnacle Ridge processor features the Zen+ architecture with 12nm lithography compared to 14nm previously. Whilst there is no increase in the number of cores, the stock base / boost clocks appear to have received a bump up to 3.7 / 4.3 GHz from 3.6 / 4.0 GHz. The 2700X is compatible with both the new 400 series and 300 series of motherboards. Early benchmarks indicate that the 2700X has a slightly greater effective speed than the 1800X, although further benchmarks are necessary to quantify this. The expected launch price of $329 includes a Wraith Prism cooler and is in the same price bracket as the 1800X and Intel’s Coffee Lake i7-8700K. Whilst the 6 core, 12 thread 8700K beats the 2700X in single and quad core performance by around 15%, the 2700X wins on multi-core workloads. PC gaming and desktop performance is generally governed by six or less cores but the 2700X offers value for money to workstation users. Even though the 2700X excels at video production, streamers should look elsewhere. Streaming with dedicated hardware such as NVENC or a separate stream PC will nearly always result in fewer dropped frames. [Apr '18 CPUPro]

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Processor Rankings (Price vs Performance) June 2021 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.
How Fast Is Your CPU? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.

UserBenchmark of the month

How it works

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.

 Frequently Asked Questions

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