IntelBX80662I76700
IntelBX80646I74790
Real World Speed
Performance profile from 370,867 user samples
184,335 User Benchmarks
Best Bench: 85% Base clock 3.4 GHz, turbo 3.35 GHz (avg)
Worst Bench: 65% Base clock 3.4 GHz, turbo 3.4 GHz (avg)
Poor: 65% Great: 85%
SPEED RANK: 189th / 1272
Gaming
Gaming 76%
Battleship
Desktop
Desktop 79%
Battleship
Workstation
Workstation 63%
Destroyer
186,532 User Benchmarks
Best Bench: 85% Base clock 3.6 GHz, turbo 4 GHz (avg)
Worst Bench: 66% Base clock 3.6 GHz, turbo 3.6 GHz (avg)
Poor: 66% Great: 85%
SPEED RANK: 171st / 1272
Gaming
Gaming 77%
Battleship
Desktop
Desktop 81%
Aircraft carrier
Workstation
Workstation 63%
Destroyer
Effective Speed
Effective CPU Speed
76.1 % 76.9 % +1%
Memory
Avg. Memory Latency
84.2 Pts 86.3 Pts +2%
1-Core
Avg. Single Core Mixed Speed
107 Pts 109 Pts +2%
2-Core
Avg. Dual Core Mixed Speed
205 Pts 208 Pts +1%
4-Core
Avg. Quad Core Mixed Speed
368 Pts +1% 365 Pts
8-Core
Avg. Octa Core Mixed Speed
552 Pts +1% 547 Pts
Memory
OC Memory Latency
93.1 Pts 94.5 Pts +2%
1-Core
OC Single Core Mixed Speed
121 Pts +2% 119 Pts
2-Core
OC Dual Core Mixed Speed
236 Pts +1% 234 Pts
4-Core
OC Quad Core Mixed Speed
437 Pts 437 Pts
8-Core
OC Octa Core Mixed Speed
617 Pts +3% 598 Pts
Market Share
Based on 34,579,090 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.67 % 0.73 % Slightly higher market share.
+9%
Value
Value For Money
76 % 80.5 % Slightly better value.
+6%
User Rating
UBM User Rating
86 % +2% 84 %
Price
Price (score)
$279 $235 Cheaper.
+16%
Age
Newest
61 Months More recent.
+21%
77 Months
TDP
Thermal Design Power (TDP)
65 Watts More energy efficient.
+23%
84 Watts
Cores
CPU Processing Cores
4 cores 4 cores
Threads
CPU Processing Threads
8 threads 8 threads
Lithography
Manufacturing process
14 nm Much newer manufacturing.
+36%
22 nm
Base Clock
Base Clock Speed
3.4 GHz 3.6 GHz Slightly faster base frequency.
+6%
Turbo Clock
Turbo Clock Speed
4 GHz 4 GHz
64-Core
OC Multi Core Mixed Speed
620 Pts +4% 597 Pts
64-Core
Avg. Multi Core Mixed Speed
561 Pts +1% 553 Pts
Series
CPU Architecture
Skylake Haswell
Socket
Motherboard Socket
FCLGA1151 FCLGA1150
Graphics
Integrated Graphics
HD 530 HD 4600
Launch Date
Launch Date
Q3'15 Q2'14
Embedded Options Available
Embedded Options Available
Yes No
Lithography
Lithography
14 nm 22 nm
Bus Speed
Bus Speed
8 GT/s DMI3 5 GT/s DMI2
Thermal Solution Specification
Thermal Solution Specification
PCG 2015C (65W) PCG 2013D
Max Memory Size
Max Memory Size (dependent on memory type)
64 GB 32 GB
Memory Types
Memory Types
DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V
Memory Bandwidth
Max Memory Bandwidth
34.1 GB/s 25.6 GB/s
Processor Graphics
Processor Graphics ‡
Intel® HD Graphics 530 Intel® HD Graphics 4600
Graphics Output
Graphics Output
eDP/DP/HDMI/DVI eDP/DP/HDMI/DVI/VGA
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.15 GHz 1.2 GHz
Graphics Video Max Memory
Graphics Video Max Memory
64 GB 2 GB
Graphics and IMC Lithography
Graphics and IMC Lithography
14 nm 22 nm
TSX-NI
Intel® TSX-NI
Yes No
PCI Express Revision
PCI Express Revision
3.0 Up to 3.0

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

Processor Rankings (Price vs Performance) October 2020 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 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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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.
  • - 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.
  • - Share your opinion by voting.

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