IntelBX80671I76950X
IntelBX80673I97900X

10 Cores, 20 Threads @3.0GHz, Broadwell-E.
Release date: Q2 2016.

10 Cores, 20 Threads @3.8GHz, Skylake-X.
Release date: Q2 2017.

Real World Speed
Performance profile from 19,434 user samples
4,581 User Benchmarks
Best Bench: 99% Base clock 3.05 GHz, turbo 4.55 GHz (avg)
Worst Bench: 75% Base clock 3 GHz, turbo 1.25 GHz (avg)
Poor: 75% Great: 99%
SPEED RANK: 91st / 1316
Gaming
Gaming 85%
Aircraft carrier
Desktop
Desktop 85%
Aircraft carrier
Workstation
Workstation 88%
Aircraft carrier
14,853 User Benchmarks
Best Bench: 92% Base clock 3.3 GHz, turbo 4.75 GHz (avg)
Worst Bench: 74% Base clock 3.3 GHz, turbo 1.5 GHz (avg)
Poor: 74% Great: 92%
SPEED RANK: 119th / 1316
Gaming
Gaming 83%
Aircraft carrier
Desktop
Desktop 83%
Aircraft carrier
Workstation
Workstation 89%
Aircraft carrier
Effective Speed
Effective CPU Speed
85.5 % +3% 82.7 %
Memory
Avg. Memory Latency
87.6 Pts Lower memory latency.
+16%
75.4 Pts
1-Core
Avg. Single Core Mixed Speed
111 Pts 125 Pts Faster single-core speed.
+13%
2-Core
Avg. Dual Core Mixed Speed
222 Pts 246 Pts Faster dual-core speed.
+11%
4-Core
Avg. Quad Core Mixed Speed
447 Pts 482 Pts Slightly faster quad-core speed.
+8%
8-Core
Avg. Octa Core Mixed Speed
872 Pts 929 Pts Slightly faster octa-core speed.
+7%
Memory
OC Memory Latency
96.6 Pts Lower OC memory latency.
+15%
84.2 Pts
1-Core
OC Single Core Mixed Speed
138 Pts 140 Pts +1%
2-Core
OC Dual Core Mixed Speed
273 Pts 274 Pts +0%
4-Core
OC Quad Core Mixed Speed
547 Pts 550 Pts +1%
8-Core
OC Octa Core Mixed Speed
1084 Pts 1086 Pts +0%
Market Share
Based on 46,613,468 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.02 % 0.04 % Hugely higher market share.
+100%
Value
Value For Money
61.6 % 71.4 % Better value.
+16%
User Rating
UBM User Rating
61 % More popular.
+13%
54 %
Price
Price (score)
$914 $474 Much cheaper.
+48%
Age
Newest
63 Months 51 Months More recent.
+19%
TDP
Thermal Design Power (TDP)
140 Watts 140 Watts
Cores
CPU Processing Cores
10 cores 10 cores
Threads
CPU Processing Threads
20 threads 20 threads
Lithography
Manufacturing process
14 nm 14 nm
Base Clock
Base Clock Speed
3 GHz 3.8 GHz Faster base frequency.
+27%
Turbo Clock
Turbo Clock Speed
4 GHz 4.3 GHz Slightly faster turbo frequency.
+8%
64-Core
OC Multi Core Mixed Speed
1751 Pts 1802 Pts +3%
64-Core
Avg. Multi Core Mixed Speed
1436 Pts 1563 Pts Slightly faster 64-core speed.
+9%
Series
CPU Architecture
Broadwell-E Skylake-X
Socket
Motherboard Socket
LGA2011-V3 LGA2066
Graphics
Integrated Graphics
None None
Launch Date
Launch Date
Q2'16 Q2'17
Cache
Cache
25 MB 13.75 MB L3
Recommended Price
Recommended Customer Price
N/A $989.00 - $999.00
Max Turbo Frequency
Max Turbo Frequency
4 GHz 4.30 GHz
Memory Types
Memory Types
DDR4 2400/2133 DDR4-2666
Max # of PCI Express Lanes
Max # of PCI Express Lanes
40 44

More specs » More specs »
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The Core i7-6950X is Intel’s new top of the range prosumer CPU. This flagship model has a whopping ten cores with base and turbo frequencies of 3.0 and 4.0 GHz respectively. The 6950X is based on the 14 nm Broadwell-E architecture. It has a TDP of 140 watts, 40 PCIe 3.0 lanes and no integrated graphics. Because of its ridiculously high MSRP of around $2,000, this CPU only makes sense for very niche use cases which could include top end graphics design or video production workstations. Comparing the 6950X and 6700K shows that for typical desktop use the 6950X only offers a gain of around 20% for a whopping 6 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 6950X. That said, if you want the most powerful desktop processor money can buy, then the 6950X hits the spot. [Jun '16 CPUPro]

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Intel’s core i9-7900X, from the Skylake-X series, is Intel’s latest 10-core, 20-thread flagship processor. It's the first to bear the i9 moniker and utilize the new X299 (Basin Falls) chipset/motherboard. The 7900X is the fastest CPU on the market today, however, imminent competition from AMD’s 16-core, 32-thread Ryzen Threadripper CPUs and the forthcoming release of more Intel Core X series mean that its reign will be a short one. The i9-7900X supersedes the 10-core Broadwell-E core i7-6950X that held the crown for little over a year. Both are extremely powerful and pricey high end desktop processors (HEDTs) which excel in multi-threaded tasks such as media encoding. However, despite the same power draw (TDP 140W), the newer i9-7900X betters the i7-6950X in terms of peak overclocked performance by 10% mostly thanks to increased clock speeds from 3.0GHz/4.0GHz to 3.3GHz/4.3GHz for base/turbo. It also betters the i7-6950X on price by around 28%. This all translates to the i9-7900X offering around 20% more value for money, even despite its eye-watering $999 price tag. The more accessible pricing (albeit not accessible for the majority) and hurried release of the i9-7900k to market is widely perceived as a reaction to AMD’s Ryzen Threadripper CPUs, rumoured for release towards the end of July 2017. So if you want to own the fastest consumer CPU in the world, it would be wise to wait for the dust to settle. [Jul '17 CPUPro]

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Processor Rankings (Price vs Performance) September 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.
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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.

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  • - 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.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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.

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