IntelBX80646I74790K
$348
IntelBX80684I38100
 $348 

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

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

Real World Speed
Performance profile from 362,408 user samples
289,811 User Benchmarks
Best Bench: 94% Base clock 4 GHz, turbo 4.95 GHz (avg)
Worst Bench: 71% Base clock 4 GHz, turbo 1.25 GHz (avg)
Poor: 71% Great: 94%
SPEED RANK: 88th / 1255
Gaming
Gaming 84%
Aircraft carrier
Desktop
Desktop 88%
Aircraft carrier
Workstation
Workstation 69%
Battle cruiser
72,597 User Benchmarks
Best Bench: 84% Base clock 3.6 GHz
Worst Bench: 60% Base clock 3.6 GHz, turbo 3.6 GHz (avg)
Poor: 60% Great: 84%
SPEED RANK: 166th / 1255
Gaming
Gaming 77%
Battleship
Desktop
Desktop 81%
Aircraft carrier
Workstation
Workstation 58%
Gunboat
Effective Speed
Effective CPU Speed
84.2 % Slightly faster effective speed.
+9%
77 %
Memory
Avg. Memory Latency
91.1 Pts +5% 87.1 Pts
1-Core
Avg. Single Core Mixed Speed
123 Pts Faster single-core speed.
+16%
106 Pts
2-Core
Avg. Dual Core Mixed Speed
237 Pts Faster dual-core speed.
+13%
209 Pts
4-Core
Avg. Quad Core Mixed Speed
419 Pts Slightly faster quad-core speed.
+9%
386 Pts
8-Core
Avg. Octa Core Mixed Speed
618 Pts Much faster octa-core speed.
+58%
391 Pts
Memory
OC Memory Latency
97.6 Pts +3% 94.5 Pts
1-Core
OC Single Core Mixed Speed
137 Pts Faster OC single-core speed.
+22%
112 Pts
2-Core
OC Dual Core Mixed Speed
272 Pts Faster OC dual-core speed.
+21%
224 Pts
4-Core
OC Quad Core Mixed Speed
511 Pts Faster OC quad-core speed.
+17%
438 Pts
8-Core
OC Octa Core Mixed Speed
711 Pts Much faster OC octa-core speed.
+62%
438 Pts
Market Share
Based on 30,556,843 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.91 % Hugely higher market share.
+146%
0.37 %
Value
Value For Money
79.2 % 98.1 % Better value.
+24%
User Rating
UBM User Rating
160 % Much more popular.
+58%
101 %
Price
Price (score)
$348 $115 Much cheaper.
+67%
Age
Newest
73 Months 33 Months Much more recent.
+55%
TDP
Thermal Design Power (TDP)
88 Watts 65 Watts More energy efficient.
+26%
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
4 GHz Faster base frequency.
+11%
3.6 GHz
Turbo Clock
Turbo Clock Speed
4.4 GHz Faster turbo frequency.
+22%
3.6 GHz
64-Core
OC Multi Core Mixed Speed
711 Pts Much faster OC 64-core speed.
+62%
438 Pts
64-Core
Avg. Multi Core Mixed Speed
623 Pts Much faster 64-core speed.
+58%
394 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
$339.00 - $350.00 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
1.25 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
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 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

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]

MORE DETAILS

Processor Rankings (Price vs Performance) July 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.
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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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  • - 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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