IntelBX80646I74790
IntelBX80684I38100

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

4 Cores, 4 Threads @3.6GHz, Coffee Lake.
Release date: Q4 2017.

Real World Speed
Performance profile from 121,793 user samples
93,467 User Benchmarks
Best Bench: 85% Base clock 3.6 GHz, turbo 4 GHz (avg)
Worst Bench: 60% Base clock 3.6 GHz, turbo 0.8 GHz (avg)
Poor: 60% Great: 85%
SPEED RANK: 105th / 1146
Gaming
Gaming 75%
Battleship
Desktop
Desktop 76%
Battleship
Workstation
Workstation 55%
Gunboat
28,326 User Benchmarks
Best Bench: 84% Base clock 3.6 GHz, turbo 3.6 GHz (avg)
Worst Bench: 63% Base clock 3.6 GHz, turbo 0.8 GHz (avg)
Poor: 63% Great: 84%
SPEED RANK: 86th / 1146
Gaming
Gaming 78%
Battleship
Desktop
Desktop 76%
Battleship
Workstation
Workstation 47%
Yacht
Effective Speed
Effective CPU Speed
74.8 % 77.5 % +4%
SC Mixed
Avg. Single Core Mixed Speed
107 Pts 108 Pts +1%
QC Mixed
Avg. Quad Core Mixed Speed
363 Pts 401 Pts Slightly faster quad-core speed.
+10%
MC Mixed
Avg. Multi Core Mixed Speed
554 Pts Much faster multi-core speed.
+35%
410 Pts
SC Mixed
OC Single Core Mixed Speed
117 Pts +4% 112 Pts
QC Mixed
OC Quad Core Mixed Speed
429 Pts 440 Pts +3%
MC Mixed
OC Multi Core Mixed Speed
598 Pts Much faster OC multi-core speed.
+35%
444 Pts
Market Share
Based on 14,838,267 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.89 % Much higher market share.
+33%
0.67 %
Value
Value For Money
73.2 % 109 % Much better value.
+48%
User Rating
UBM User Rating
68 % 88 % More popular.
+29%
Price
Price (score)
$308 $119 Much cheaper.
+61%
Age
Newest
57 Months 16 Months Much more recent.
+72%
TDP
Thermal Design Power (TDP)
84 Watts 65 Watts More energy efficient.
+23%
Cores
CPU Processing Cores
4 cores 4 cores
Threads
CPU Processing Threads
8 threads Hugely higher thread count.
+100%
4 threads
Lithography
Manufacturing process
22 nm 14 nm Much newer manufacturing.
+36%
Base Clock
Base Clock Speed
3.6 GHz 3.6 GHz
Turbo Clock
Turbo Clock Speed
4 GHz Slightly faster turbo frequency.
+11%
3.6 GHz
SC Int
Single Core Integer Speed
117 Pts Slightly faster single-core int speed.
+8%
108 Pts
SC Float
Single Core Floating Point Speed
118 Pts +1% 117 Pts
QC Int
Quad Core Integer Speed
437 Pts +4% 422 Pts
QC Float
Quad Core Floating Point Speed
436 Pts 467 Pts Slightly faster quad-core fp speed.
+7%
MC Int
Multi Core Integer Speed
567 Pts Much faster multi-core int speed.
+34%
423 Pts
MC Float
Multi Core Floating Point Speed
610 Pts Much faster multi-core fp speed.
+30%
468 Pts
Series
CPU Architecture
Haswell Coffee Lake
Socket
Motherboard Socket
FCLGA1150 FCLGA1151
Graphics
Integrated Graphics
HD 4600 UHD 630
Launch Date
Launch Date
Q2'14 Q4'17
Cache
Cache
8 MB SmartCache 6 MB
Instruction Set Extensions
Instruction Set Extensions
SSE4.1/4.2, AVX 2.0 SSE4.1/4.2, AVX2
Lithography
Lithography
22 nm 14 nm
Recommended Price
Recommended Customer Price
$303.00 - $312.00 N/A
Bus Speed
Bus Speed
5 GT/s DMI2 8 GT/s DMI3
Thermal Solution Specification
Thermal Solution Specification
PCG 2013D PCG 2015C (65W)
Max Memory Size
Max Memory Size (dependent on memory type)
32 GB 64 GB
Memory Types
Memory Types
DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V DDR4-2400
Processor Graphics
Processor Graphics ‡
Intel® HD Graphics 4600 Intel® UHD Graphics 630
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.2 GHz 1.10 GHz
Graphics Video Max Memory
Graphics Video Max Memory
2 GB 64 GB
Turbo Boost Tech
Intel® Turbo Boost Technology
2.0 No
Hyper-Threading Tech
Intel® Hyper-Threading Technology ‡
Yes No
vPro Tech
Intel® vPro™ Technology ‡
Yes No
Stable Image Platform Program (SIPP)
Intel® Stable Image Platform Program (SIPP)
Yes No
Trusted Execution Tech
Intel® Trusted Execution Technology ‡
Yes No
PCI Express Revision
PCI Express Revision
Up to 3.0 3.0
PCI Express Configurations
PCI Express Configurations ‡
Up to 1x16, 2x8, 1x8+2x4 Up to 1x16 or 2x8 or 1x8+2x4

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]

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Intel’s i3-8100 from their 8th generation of Core processors is a mainstream quad-core CPU. It is the entry model of the latest Coffee Lake line up with a clock speed of 3.6 GHz. Previously, i3 Kaby Lake processors had two cores with hyperthreading, but now, i3 Coffee Lake processors have 4 cores and offer much better value for money in terms of dollars per core. With a performance profile that closely matches last years mid range Kaby Lake i5's (the then go-to mid range gaming choice) and a price tag of just $120, the i3-8100 represents excellent value for money. Unfortunately, like all Coffe Lake processors, the i3-8100 does require a new 300-series motherboard even though it shares the same LGA1151 socket as the previous generation of Kaby Lake 200 motherboards. Intel were clearly mindful of AMD's similarly priced quad core Ryzen 3 1200 which achieves very comparable single, and quad-core benchmarks to the i3-8100.  [Oct '17 CPUPro]

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Processor Rankings (Price vs Performance) February 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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