IntelBX80646I74790
IntelBX80646I74771

4 Cores, 8 Threads @3.6GHz, Haswell.
Release date: Q2 2014.

4 Cores, 8 Threads @3.5GHz, Haswell.
Release date: Q2 2013.

Real World Speed
Performance profile from 90,885 user samples
86,711 User Benchmarks
Best Bench: 85% Base clock 3.6 GHz, turbo 4 GHz (avg)
Worst Bench: 60% Base clock 3.6 GHz, turbo 1.6 GHz (avg)
Poor: 60% Great: 85%
SPEED RANK: 104th / 1144
Gaming
Gaming 75%
Battleship
Desktop
Desktop 76%
Battleship
Workstation
Workstation 55%
Gunboat
4,174 User Benchmarks
Best Bench: 82% Base clock 3.5 GHz, turbo 3.9 GHz (avg)
Worst Bench: 54% Base clock 3.5 GHz, turbo 3.5 GHz (avg)
Poor: 54% Great: 82%
SPEED RANK: 130th / 1144
Gaming
Gaming 72%
Battleship
Desktop
Desktop 73%
Battleship
Workstation
Workstation 53%
Yacht
Effective Speed
Effective CPU Speed
74.5 % +4% 71.7 %
SC Mixed
Avg. Single Core Mixed Speed
107 Pts +4% 103 Pts
QC Mixed
Avg. Quad Core Mixed Speed
361 Pts +4% 347 Pts
MC Mixed
Avg. Multi Core Mixed Speed
559 Pts +5% 534 Pts
SC Mixed
OC Single Core Mixed Speed
117 Pts +3% 114 Pts
QC Mixed
OC Quad Core Mixed Speed
432 Pts +4% 417 Pts
MC Mixed
OC Multi Core Mixed Speed
604 Pts +2% 592 Pts
Market Share
Based on 13,925,233 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.93 % Insanely higher market share.
+3,000%
0.03 %
Value
Value For Money
73 % Slightly better value.
+8%
67.9 %
User Rating
UBM User Rating
70 % More popular.
+19%
59 %
Price
Price (score)
$308 Slightly cheaper.
+9%
$337
Age
Newest
56 Months More recent.
+16%
67 Months
TDP
Thermal Design Power (TDP)
84 Watts 84 Watts
Cores
CPU Processing Cores
4 cores 4 cores
Threads
CPU Processing Threads
8 threads 8 threads
Lithography
Manufacturing process
22 nm 22 nm
Base Clock
Base Clock Speed
3.6 GHz +3% 3.5 GHz
Turbo Clock
Turbo Clock Speed
4 GHz +3% 3.9 GHz
SC Int
Single Core Integer Speed
117 Pts +3% 114 Pts
SC Float
Single Core Floating Point Speed
118 Pts +2% 116 Pts
QC Int
Quad Core Integer Speed
434 Pts +4% 418 Pts
QC Float
Quad Core Floating Point Speed
434 Pts +3% 420 Pts
MC Int
Multi Core Integer Speed
571 Pts +2% 560 Pts
MC Float
Multi Core Floating Point Speed
612 Pts +1% 605 Pts
Series
CPU Architecture
Haswell Haswell
Socket
Motherboard Socket
FCLGA1150 FCLGA1150
Graphics
Integrated Graphics
HD 4600 HD 4600
Launch Date
Launch Date
Q2'14 Q3'13
Recommended Price
Recommended Customer Price
$303.00 - $312.00 $314.00 - $320.00

More specs » More specs »
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The Core i7-4790 is the third upgrade to Intel's flagship quad core hyper-threaded CPU. This version, like its predecessor the i7-4771, gets a 100 MHz bump in stock frequency and additionally the i7-4790 also gets a 100 MHz turbo frequency bump. These improvements (~4%) are marginal and practically impossible to discern in day to day use. Looking at a benchmark comparison between the 4771 and 4790 verifies that there is little difference between the two CPUs. Although the i7-4790 isn't much of a step forward, it's still one of the best (locked) mainstream processors on the market. AMD hasn't been able to compete with Intel on single threaded performance for several years, consequently Intel have no need to push the envelope. Overclockers should wait for the 4790K which is rumoured to be released shortly. [May '14 CPUPro]

MORE DETAILS

The Intel i7-4771 is the same as the i7-4770 apart from a 100 MHz increase in base clock from 3.4 GHz to 3.5 GHz. In theory this increase will only impact multi-core workloads because both processors have the same turbo clock of 3.9 GHz which should be engaged during single and dual core workloads. On multi-core workloads the turbo needs to be disabled in order to maintain acceptable core temperatures and operating frequencies drop to base clock where the i7-4771 has a marginal 100 MHz or 2.9% advantage. In other words the two processors should be largely identical. Looking at the i7-4770 vs the i7-4771 benchmarks verifies this. Both the 4770 and 4771 are the current top end mainstream market leaders but for the vast majority of desktop users they are probably overkill as typical consumer use rarely requires more than two cores. [Mar '14 CPUPro]

MORE DETAILS

Processor Rankings (Price vs Performance) January 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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  • - 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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