IntelBX80646I74790K
$348
AMDHDE00ZFBGRBOX
 $348 

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

6 Cores, 6 Threads @3.3GHz, K10.
Release date: Q4 2010.

Real World Speed
Performance profile from 468,515 user samples
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: 251st / 1442
Gaming
Gaming 79%
Battleship
Desktop
Desktop 83%
Aircraft carrier
Workstation
Workstation 65%
Destroyer
12,769 User Benchmarks
Best Bench: 66% Base clock 3.1 GHz, turbo 3.05 GHz (avg)
Worst Bench: 51% Base clock 3.3 GHz, turbo 0.8 GHz (avg)
Poor: 51% Great: 66%
SPEED RANK: 600th / 1442
Gaming
Gaming 59%
Gunboat
Desktop
Desktop 60%
Gunboat
Workstation
Workstation 44%
Speed boat
Effective Speed
Effective CPU Speed
78.9 % Much faster effective speed.
+35%
58.6 %
Memory
Avg. Memory Latency
88.1 Pts Slightly lower memory latency.
+9%
81 Pts
1-Core
Avg. Single Core Speed
114 Pts Hugely faster single-core speed.
+114%
53.3 Pts
2-Core
Avg. Dual Core Speed
216 Pts Hugely faster dual-core speed.
+104%
106 Pts
4-Core
Avg. Quad Core Speed
378 Pts Hugely faster quad-core speed.
+89%
200 Pts
8-Core
Avg. Octa Core Speed
560 Pts Hugely faster octa-core speed.
+99%
281 Pts
Memory
OC Memory Latency
96.8 Pts Slightly lower OC memory latency.
+5%
92 Pts
1-Core
OC Single Core Speed
128 Pts Hugely faster OC single-core speed.
+119%
58.4 Pts
2-Core
OC Dual Core Speed
248 Pts Hugely faster OC dual-core speed.
+112%
117 Pts
4-Core
OC Quad Core Speed
433 Pts Hugely faster OC quad-core speed.
+86%
233 Pts
8-Core
OC Octa Core Speed
643 Pts Hugely faster OC octa-core speed.
+89%
341 Pts
Market Share
Based on 67,751,306 CPUs tested
Market Share
Market Share (trailing 30 days)
0.54 % Insanely higher market share.
+5,300%
0.01 %
Value
Value For Money
74.2 % Much better value.
+34%
55.5 %
User Rating
UBM User Rating
88 % Much more popular.
+63%
54 %
Price
Price (score)
$348 $340 +2%
Age
Newest
118 Months More recent.
+26%
160 Months
TDP
Thermal Design Power (TDP)
88 Watts More energy efficient.
+30%
125 Watts
Cores
CPU Processing Cores
4 cores 6 cores Much higher core count.
+50%
Threads
CPU Processing Threads
8 threads Much higher thread count.
+33%
6 threads
Lithography
Manufacturing process
22 nm Much newer manufacturing.
+51%
45 nm
Base Clock
Base Clock Speed
4 GHz Faster base frequency.
+21%
3.3 GHz
Turbo Clock
Turbo Clock Speed
4.4 GHz Faster turbo frequency.
+19%
3.7 GHz
64-Core
OC Multi Core Speed
654 Pts Hugely faster OC 64-core speed.
+90%
345 Pts
64-Core
Avg. Multi Core Speed
573 Pts Hugely faster 64-core speed.
+101%
285 Pts
Series
CPU Architecture
Haswell K10
Socket
Motherboard Socket
FCLGA1150 AM3
Graphics
Integrated Graphics
HD 4600 None
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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 AMD Phenom II X6 1100T was the last, in a long line of Phenom II X6's. The series went 1045T, 1055T, 1065T, 1075T, 1090T and finally 1100T. Each successive release was clocked slightly higher ending with the 1100T which had a base/turbo clock speed of 3.3/3.7 GHz. The X6 has six processing cores and demonstrates very good multi-core performance but it is less able to handle single and dual core workloads, which is what the majority of consumer desktop computing requires. The X6 series were good overclockers with the ability to boost stock clocks by around 20%. Comparing the 1100T to the similarly priced i5-2400 shows that Intel's mid-range Sandy Bridge processor, which was released just a month after the 1100T, was around 8% faster for single and dual core workloads but slower by a staggering 30% for multi-core workloads. [Mar '14 CPUPro]

MORE DETAILS

Processor Rankings (Price vs Performance) April 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]

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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 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.

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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

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