UserBenchmark: Intel Core i7-4790 vs i7-8700K

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IntelBX80684I78700K

IntelBX80646I74790

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Real World Speed

Performance profile from 1,001,314 user samples

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746,287 User Benchmarks

Best Bench: 100% Base clock 3.7 GHz, turbo 5.05 GHz (avg)
Worst Bench: 76% Base clock 3.7 GHz, turbo 0.8 GHz (avg)

Poor: 76% Great: 100%

SPEED RANK: 167^th / 1468

Gaming 88%

Aircraft carrier

Desktop 90%

Nuclear submarine

Workstation 80%

Battleship

255,027 User Benchmarks

Best Bench: 80% Base clock 3.6 GHz, turbo 4 GHz (avg)
Worst Bench: 58% Base clock 3.6 GHz, turbo 1.5 GHz (avg)

Poor: 58% Great: 80%

SPEED RANK: 391^st / 1468

Gaming 71%

Battleship

Desktop 75%

Battleship

Workstation 58%

Gunboat


Effective Speed Effective CPU Speed		88.4 %	Faster effective speed. +24%		71.4 %


Memory Avg. Memory Latency	90.1 Pts	Slightly lower memory latency. +9%	82.6 Pts
1-Core Avg. Single Core Speed	128 Pts	Much faster single-core speed. +30%	98.4 Pts
2-Core Avg. Dual Core Speed	249 Pts	Much faster dual-core speed. +33%	187 Pts
4-Core Avg. Quad Core Speed	466 Pts	Much faster quad-core speed. +43%	327 Pts
8-Core Avg. Octa Core Speed	770 Pts	Much faster octa-core speed. +60%	482 Pts


Memory OC Memory Latency	96.5 Pts	+3%	93.6 Pts
1-Core OC Single Core Speed	148 Pts	Much faster OC single-core speed. +36%	109 Pts
2-Core OC Dual Core Speed	292 Pts	Much faster OC dual-core speed. +36%	214 Pts
4-Core OC Quad Core Speed	558 Pts	Much faster OC quad-core speed. +48%	377 Pts
8-Core OC Octa Core Speed	892 Pts	Much faster OC octa-core speed. +62%	551 Pts

Market Share

Based on 69,041,522 CPUs tested

See market share leaders


Market Share Market Share (trailing 30 days)	1.45 %	Hugely higher market share. +142%	0.6 %
Value Value For Money	103 %	Slightly better value. +10%	93.6 %
User Rating UBM User Rating	82 %	Much more popular. +34%	61 %
Price Price (score)	$160		$104	Much cheaper. +35%


Age Newest	85 Months	Much more recent. +33%	126 Months
TDP Thermal Design Power (TDP)	95 Watts		84 Watts	More energy efficient. +12%
Cores CPU Processing Cores	6 cores	Much higher core count. +50%	4 cores
Threads CPU Processing Threads	12 threads	Much higher thread count. +50%	8 threads
Lithography Manufacturing process	14 nm	Much newer manufacturing. +36%	22 nm
Base Clock Base Clock Speed	3.7 GHz	+3%	3.6 GHz
Turbo Clock Turbo Clock Speed	4.7 GHz	Faster turbo frequency. +17%	4 GHz
64-Core OC Multi Core Speed	1,147 Pts	Hugely faster OC 64-core speed. +106%	556 Pts
64-Core Avg. Multi Core Speed	971 Pts	Hugely faster 64-core speed. +96%	495 Pts


Series CPU Architecture	Coffee Lake	Haswell
Socket Motherboard Socket	FCLGA1151	FCLGA1150
Graphics Integrated Graphics	UHD 630	HD 4600
Launch Date Launch Date	Q4'17	Q2'14
Cache Cache	12 MB	8 MB SmartCache
Instruction Set Extensions Instruction Set Extensions	SSE4.1/4.2, AVX2	SSE4.1/4.2, AVX 2.0
Lithography Lithography	14 nm	22 nm
Recommended Price Recommended Customer Price	N/A	$303.00 - $312.00
Max Turbo Frequency Max Turbo Frequency	4.70 GHz	4 GHz
Bus Speed Bus Speed	8 GT/s DMI3	5 GT/s DMI2
Thermal Solution Specification Thermal Solution Specification	PCG 2015C (130W)	PCG 2013D
Max Memory Size Max Memory Size (dependent on memory type)	64 GB	32 GB
Memory Types Memory Types	DDR4-2666	DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V
Processor Graphics Processor Graphics ‡	Intel® UHD Graphics 630	Intel® HD Graphics 4600
Graphics Max Dynamic Frequency Graphics Max Dynamic Frequency	1.20 GHz	1.2 GHz
Graphics Video Max Memory Graphics Video Max Memory	64 GB	2 GB
TSX-NI Intel® TSX-NI	Yes	No
PCI Express Revision PCI Express Revision	3.0	Up to 3.0
PCI Express Configurations PCI Express Configurations ‡	Up to 1x16 or 2x8 or 1x8+2x4	Up to 1x16, 2x8, 1x8+2x4
	More specs »	More specs »

The i7-8700K is Intel’s latest, top of the range, 8th generation Coffee Lake processor. Like Kaby Lake and Sky Lake before that, Coffee Lake is based on Intel’s 14nm architecture which has been slightly optimized on each iteration. Following AMD’s modus operandi, Intel has upped the cores and threads across the range of their CPUs. In previous generations, a 6-core processor would have been a high-end desk-top (HEDT) processor, however the i7-8700K is the first Intel CPU with 6 cores and 12 threads to be classified (and priced) as a mainstream consumer processor. Specifically, the i7-8700K features a base clock speed of 3.7 GHz which boosts to 4.7 GHz (4.5 GHz for the previous generation i7-7700k), 12MB of smart (L3) cache and 2 channels of DDR4 RAM. The majority of the performance improvements over the 7th generation stem from the higher core count which results in a 50% increase in multi-core speed between the i7-7700k and i7-8700k. A new motherboard will need to be factored into the budget when upgrading to the 8700K as it requires a new Intel Z370 chipset which has supposedly been designed to better deliver power to CPUs with a greater number of cores. Also available in this latest release of CPUs is the 6 core 6 thread i5-8600k which is a more rational option (around $100 cheaper) for the vast majority of users that don’t require hyper-threading. Sandy bridge owners can finally justify an upgrade but with the next iteration of AMD's Zen architecture just around the corner the CPU market will be a lot faster moving now that Intel, once again, has to compete. ^{[Sep '17 CPUPro]}

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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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CPU	GPU	SSD
Intel Core i5-13600K $210	Nvidia RTX 4060 $290	WD Black SN850X M.2 2TB $130
Intel Core i5-12400F $111	Nvidia RTX 4060-Ti $389	WD Black SN850X M.2 1TB $80
Intel Core i5-12600K $164	Nvidia RTX 4070 $500	Crucial T700 M.2 4TB $367

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