IntelBX80684I99900K
IntelBX80677I77700

8 Cores, 16 Threads @3.6GHz, Coffee Lake.
Release date: Q4 2018.

4 Cores, 8 Threads @3.6GHz, Kaby Lake.
Release date: Q1 2017.

Real World Speed
Performance profile from 164,082 user samples
68,406 User Benchmarks
Best Bench: 130% Base clock 3.6 GHz, turbo 5.2 GHz (avg)
Worst Bench: 107% Base clock 3.6 GHz, turbo 3.6 GHz (avg)
Poor: 107% Great: 130%
SPEED RANK: 5th / 1173
Gaming
Gaming 121%
UFO
Desktop
Desktop 117%
UFO
Workstation
Workstation 124%
UFO
95,676 User Benchmarks
Best Bench: 94% Base clock 3.6 GHz, turbo 4.05 GHz (avg)
Worst Bench: 64% Base clock 3.6 GHz, turbo 1.15 GHz (avg)
Poor: 64% Great: 94%
SPEED RANK: 80th / 1173
Gaming
Gaming 83%
Aircraft carrier
Desktop
Desktop 83%
Aircraft carrier
Workstation
Workstation 61%
Destroyer
Effective Speed
Effective CPU Speed
121 % Much faster effective speed.
+47%
82.6 %
SC Mixed
Avg. Single Core Mixed Speed
146 Pts Faster single-core speed.
+26%
116 Pts
QC Mixed
Avg. Quad Core Mixed Speed
571 Pts Much faster quad-core speed.
+41%
405 Pts
MC Mixed
Avg. Multi Core Mixed Speed
1509 Pts Hugely faster multi-core speed.
+145%
615 Pts
SC Mixed
OC Single Core Mixed Speed
155 Pts Faster OC single-core speed.
+21%
128 Pts
QC Mixed
OC Quad Core Mixed Speed
618 Pts Faster OC quad-core speed.
+28%
482 Pts
MC Mixed
OC Multi Core Mixed Speed
1645 Pts Hugely faster OC multi-core speed.
+146%
669 Pts
Market Share
Based on 18,602,057 CPUs tested.
Market Share
Market Share (trailing 30 days)
1.6 % Hugely higher market share.
+129%
0.7 %
Value
Value For Money
100 % Better value.
+26%
79.8 %
User Rating
UBM User Rating
70 % +4% 67 %
Price
Price (score)
$485 $320 Much cheaper.
+34%
Age
Newest
9 Months Much more recent.
+70%
30 Months
TDP
Thermal Design Power (TDP)
95 Watts 65 Watts Much more energy efficient.
+32%
Cores
CPU Processing Cores
8 cores Hugely higher core count.
+100%
4 cores
Threads
CPU Processing Threads
16 threads Hugely higher thread count.
+100%
8 threads
Lithography
Manufacturing process
14 nm 14 nm
Base Clock
Base Clock Speed
3.6 GHz 3.6 GHz
Turbo Clock
Turbo Clock Speed
5 GHz Faster turbo frequency.
+19%
4.2 GHz
SC Int
Single Core Integer Speed
151 Pts Faster single-core int speed.
+22%
124 Pts
SC Float
Single Core Floating Point Speed
160 Pts Faster single-core fp speed.
+21%
132 Pts
QC Int
Quad Core Integer Speed
601 Pts Faster quad-core int speed.
+28%
468 Pts
QC Float
Quad Core Floating Point Speed
639 Pts Faster quad-core fp speed.
+28%
500 Pts
MC Int
Multi Core Integer Speed
1498 Pts Hugely faster multi-core int speed.
+144%
615 Pts
MC Float
Multi Core Floating Point Speed
1757 Pts Hugely faster multi-core fp speed.
+148%
709 Pts
Series
CPU Architecture
Coffee Lake Kaby Lake
Socket
Motherboard Socket
FCLGA1151 FCLGA1151
Graphics
Integrated Graphics
UHD 630 HD 630
Launch Date
Launch Date
Q4'18 Q1'17
Cache
Cache
16 MB SmartCache 8 MB
Instruction Set Extensions
Instruction Set Extensions
Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 SSE4.1/4.2, AVX 2.0
Recommended Price
Recommended Customer Price
$488.00 - $499.00 $303.00 - $312.00
Thermal Solution Specification
Thermal Solution Specification
PCG 2015D (130W) PCG 2015C (65W)
Memory Types
Memory Types
DDR4-2666 DDR4-2133/2400, DDR3L-1333/1600 @ 1.35V
Processor Graphics
Processor Graphics ‡
Intel® UHD Graphics 630 Intel® HD Graphics 630
Graphics Base Frequency
Graphics Base Frequency
350 MHz 350.00 MHz
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.20 GHz 1.15 GHz

More specs » More specs »
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Intel’s new consumer flagship CPU for 2018 is the i9-9900K, an 8 core, 16 thread, unlocked 9th generation Intel core desktop processor. It is based on the third round of optimization of Intel’s 14nm Coffee Lake architecture, which in this iteration, yields more cores. This is a retort to AMD’s 8 core 16 thread Ryzen 7 processors that launched in Q2 2018, to fill the gap before Intel releases it’s 10nm Cannon Lake based CPUs in, perhaps, late 2019. In direct proportion to the increased number of cores, average multi-core benchmarks are around 33% higher on the 8 core 9900K than the previous generation 6 core 8700K. The i9-9900K has a base frequency of 3.6 GHz, ramping up to an all-core turbo boost frequency of 4.7 GHz and a single-core turbo boost speed of 5.0 GHz (the highest frequency achieved yet from this class of Intel CPU). It features 16 MB of cache, a 95W TDP and Intel UHD graphics 630. The 9900K is compatible with the new Z390 chipset from Intel, and subject to a BIOS update, is also compatible with the Z370 chipset. This premium CPU is expected to retail at $500, which compares to around $300 for the 8 core, 16 thread Ryzen 7 2700X. Although the 9900K has around a 16% effective speed advantage over the 2700X, the Ryzen 2700X offers better value for money for most users. [Oct '18 CPUPro]

MORE DETAILS

Processor Rankings (Price vs Performance) July 2019 CPU Rankings.

We calculate effective speed which measures real world performance for typical consumers. Effective speed is adjusted by current prices to yield a value for money rating which is geared towards gamers. 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.
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  • - 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.
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CPUGPUSSD
Intel Core i7-8700K $350Nvidia GTX 1070 $400Samsung 850 Evo 250GB $104
AMD Ryzen 5 2600 $127Nvidia GTX 1060-6GB $250Samsung 850 Evo 500GB $103
AMD Ryzen 7 2700X $252Nvidia GTX 1080-Ti $750Samsung 850 Pro 256GB $97
HDDRAMUSB
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Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $728SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $74SanDisk Ultra Fit 32GB $12
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