COMPARE
CPU
RANKINGS
TEST
YOUR CPU
ADD TO PC
BUILD
IntelBX80646I74790K
$348
IntelBX80671I76950X
▲ 8841,598 ▼
 $348 

4 Cores, 8 Threads @4.0GHz, Haswell.
Release date: Q2 2014.

VS
▲ 6212,760 ▼

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

Effective Speed 
+10%
Real World Speed
Performance profile from 461,881 user samples
Benchmark your CPU here
455,746 User Benchmarks
Best Bench: 87% Base clock 4 GHz, turbo 4.6 GHz (avg)
Worst Bench: 67% Base clock 4 GHz, turbo 0.7 GHz (avg)
Poor: 67% Great: 87%
SPEED RANK: 252nd / 1445
Gaming
Gaming 79%
Battleship
Desktop
Desktop 83%
Aircraft carrier
Workstation
Workstation 65%
Destroyer
6,135 User Benchmarks
Best Bench: 100% Base clock 3 GHz, turbo 4.55 GHz (avg)
Worst Bench: 77% Base clock 3 GHz, turbo 1.25 GHz (avg)
Poor: 77% Great: 100%
SPEED RANK: 164th / 1445
Gaming
Gaming 87%
Aircraft carrier
Desktop
Desktop 86%
Aircraft carrier
Workstation
Workstation 90%
Aircraft carrier
Effective Speed
Effective CPU Speed 		78.9 % 86.8 % Faster effective speed.
+10%
Average Score 
+17%
Memory
Avg. Memory Latency 		88.1 Pts 88.2 Pts +0%
1-Core
Avg. Single Core Speed 		114 Pts 114 Pts
2-Core
Avg. Dual Core Speed 		216 Pts 228 Pts Slightly faster dual-core speed.
+6%
4-Core
Avg. Quad Core Speed 		378 Pts 458 Pts Faster quad-core speed.
+21%
8-Core
Avg. Octa Core Speed 		560 Pts 884 Pts Much faster octa-core speed.
+58%
Overclocked Score 
+26%
Memory
OC Memory Latency 		96.8 Pts +1% 95.9 Pts
1-Core
OC Single Core Speed 		128 Pts 142 Pts Faster OC single-core speed.
+11%
2-Core
OC Dual Core Speed 		248 Pts 283 Pts Faster OC dual-core speed.
+14%
4-Core
OC Quad Core Speed 		433 Pts 565 Pts Much faster OC quad-core speed.
+30%
8-Core
OC Octa Core Speed 		643 Pts 1118 Pts Much faster OC octa-core speed.
+74%
Value & Sentiment 
+790%
Market Share
Based on 67,930,583 CPUs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.64 % Insanely higher market share.
+3,100% 		0.02 %
Value
Value For Money 		74.2 % 76.1 % +3%
User Rating
UBM User Rating 		88 % Much more popular.
+42% 		62 %
Price
Price (score) 		$348 Cheaper.
+22% 		$449
Nice To Haves 
+68%
Age
Newest 		119 Months 95 Months More recent.
+20%
TDP
Thermal Design Power (TDP) 		88 Watts Much more energy efficient.
+37% 		140 Watts
Cores
CPU Processing Cores 		4 cores 10 cores Hugely higher core count.
+150%
Threads
CPU Processing Threads 		8 threads 20 threads Hugely higher thread count.
+150%
Lithography
Manufacturing process 		22 nm 14 nm Much newer manufacturing.
+36%
Base Clock
Base Clock Speed 		4 GHz Much faster base frequency.
+33% 		3 GHz
Turbo Clock
Turbo Clock Speed 		4.4 GHz Faster turbo frequency.
+10% 		4 GHz
64-Core
OC Multi Core Speed 		654 Pts 1799 Pts Hugely faster OC 64-core speed.
+175%
64-Core
Avg. Multi Core Speed 		573 Pts 1470 Pts Hugely faster 64-core speed.
+157%
Specifications 
Series
CPU Architecture 		Haswell Broadwell-E
Socket
Motherboard Socket 		FCLGA1150 LGA2011-V3
Graphics
Integrated Graphics 		HD 4600 None
Launch Date
Launch Date 		Q2'14 Q2'16
Cache
Cache 		8 MB SmartCache 25 MB
Lithography
Lithography 		22 nm 14 nm
Recommended Price
Recommended Customer Price 		$339.00 - $350.00 N/A
Max Turbo Frequency
Max Turbo Frequency 		4.4 GHz 4 GHz
Max Memory Size
Max Memory Size (dependent on memory type) 		32 GB 128 GB
Memory Types
Memory Types 		DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V DDR4 2400/2133
Memory Channels
Max # of Memory Channels 		2 4
Processor Graphics
Processor Graphics ‡ 		Intel® HD Graphics 4600 None
Max # of PCI Express Lanes
Max # of PCI Express Lanes 		16 40

More specs » More specs »
Conclusion 
Average Bench 78.9%
Average Bench 86.8%
ADVERTISEMENT

The Intel Core i7-4790K, codenamed Devil's Canyon, is an upgraded 4770K, Intel's current flagship i7. The 4790K features an improved thermal interface which enables it to dissipate heat more efficiently than the 4770K. Comparing the 4770K and 4790K shows that stock performance has improved by 13% which is consistent with the base clock jump from 3.5 GHz to 4.0 GHz. OC performance remains unchanged. Comparing the 4790K and 4790 shows that at stock clocks the 4790K is around 16% faster which considering the small price difference makes the 4790K a far better choice. Previously Intel targeted the unlocked K versions at overclockers but with Devil's Canyon they have included VT-d on the K chip and this time it's squarely aimed at both power users and overclockers alike. Until the release of Broadwell in six months, the 4790K is the high end CPU of choice. [Jul '14 CPUPro]

MORE DETAILS

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]

MORE DETAILS

User Builds 
455,746
6,135
Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU GPU SSD HDD RAM MBD
Processor Rankings (Price vs Performance) May 2024 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]

ADVERTISEMENT

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 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 value for money upgrades.

UserBenchmark of the month

Gaming Desktop ProGaming

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
  • - 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

 Frequently Asked Questions

Processors FAQ
AMD vs Intel: Gaming performance 2012-2021
How does IPC compare between AMD's Ryzen and Intel's Kaby Lake?
What is multi core mixed speed?
What is multi core integer speed?
What is multi core floating point speed?
What is single core mixed CPU speed?
What is quad core mixed CPU speed?
What is quad core floating point speed?
What is quad core integer speed?
What is single core floating point speed?
What is single core integer speed?
What is the GeekBench single core score?
What is a CPU?
What is the effective CPU speed index?
What is overclocking?
What is thermal design power (TDP)?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-12600K $176Nvidia RTX 4060 $293Crucial MX500 250GB $39
Intel Core i5-12400F $128Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-13600K $260Nvidia RTX 4070 $550Samsung 870 Evo 250GB $45
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $48SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $62G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
If you make a purchase via one of these links, our site may earn a commission
Today's hottest
Amazon Ebay
deals
CPU GPU SSD HDD USB RAM MBD
Build Test EFps
Can You Run It?
►
YouTube
*NEW*
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback