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IntelBX80684I58400

Release date ≈ Q3 2018.

6 Cores, 6 Threads @2.8GHz, Coffee Lake.
Release date: Q4 2017.

Real World Speed
Performance profile from 56,417 user samples
432 User Benchmarks
Best Bench: 149% Base clock 4.2 GHz, turbo 4.15 GHz (avg)
Worst Bench: 112% Base clock 3.7 GHz, turbo 0.6 GHz (avg)
Poor: 112% Great: 149%
SPEED RANK: 1st / 1144
Gaming
Gaming 132%
UFO
Desktop
Desktop 130%
UFO
Workstation
Workstation 288%
UFO
55,985 User Benchmarks
Best Bench: 94% Base clock 2.8 GHz
Worst Bench: 79% Base clock 2.8 GHz, turbo 2.8 GHz (avg)
Poor: 79% Great: 94%
SPEED RANK: 47th / 1144
Gaming
Gaming 89%
Aircraft carrier
Desktop
Desktop 86%
Aircraft carrier
Workstation
Workstation 64%
Destroyer
Effective Speed
Effective CPU Speed
132 % Much faster effective speed.
+49%
88.7 %
SC Mixed
Avg. Single Core Mixed Speed
111 Pts 116 Pts +5%
QC Mixed
Avg. Quad Core Mixed Speed
424 Pts 450 Pts Slightly faster quad-core speed.
+6%
MC Mixed
Avg. Multi Core Mixed Speed
4232 Pts Hugely faster multi-core speed.
+551%
650 Pts
SC Mixed
OC Single Core Mixed Speed
123 Pts +1% 122 Pts
QC Mixed
OC Quad Core Mixed Speed
471 Pts 478 Pts +1%
MC Mixed
OC Multi Core Mixed Speed
5026 Pts Hugely faster OC multi-core speed.
+619%
699 Pts
Market Share
Based on 13,907,899 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.02 % 1.34 % Insanely higher market share.
+6,600%
Value
Value For Money
68.1 % 103 % Much better value.
+52%
User Rating
UBM User Rating
76 % 115 % Much more popular.
+51%
Price
Price (score)
$1,700 $194 Hugely cheaper.
+89%
Age
Newest
5+ Months Much more recent.
+67%
15 Months
SC Int
Single Core Integer Speed
118 Pts 118 Pts
SC Float
Single Core Floating Point Speed
128 Pts 128 Pts
QC Int
Quad Core Integer Speed
453 Pts 461 Pts +2%
QC Float
Quad Core Floating Point Speed
493 Pts 499 Pts +1%
MC Int
Multi Core Integer Speed
4783 Pts Hugely faster multi-core int speed.
+615%
669 Pts
MC Float
Multi Core Floating Point Speed
5253 Pts Hugely faster multi-core fp speed.
+610%
740 Pts
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cool [Jan '19 superzen]

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The i5-8400 is a competitively priced hex-core processor from Intel’s 8th generation of Core processors (Coffee Lake). Along with the release of the unlocked i5-8600K, this is the first time that six-core processors have featured in the i5 line-up. Like the other Coffee Lake processors, the i5-8400 is based upon an improved version of Intel’s 14nm architecture which featured in both Skylake and Kaby Lake. Early benchmarks reveal that for average quad core usage (most games employ a maximum of four cores) the i5-8400 performs way above its pay grade. It achieves quad core mixed speeds close to Intel’s outgoing 2017 flagship the $300, quad-core, 8 thread i7-7700k, which to date has been a strong favourite for high-end gaming setups. On paper, the i5-8400 has a base clock of 2.8 GHz (Intel are significantly downplaying the performance of this SKU by giving it a relatively low nominal base clock), an all core boost of 3.8 GHz (this is the effective base clock figure that counts) and a single core boost of 4 GHz. This compares reasonably well to the i5-8600K which has a base clock of 3.6 GHz, all core boost of 4.1 GHz and a single core boost of 4.3 GHz. The i5-8400 also features 9MB of L3 cache and an energy-thrifty TDP of 65W. Priced at under $190, the i5-8400 offers fantastic value for money. Unfortunately, like the other Coffee Lake processors, the i5-8400 will require a new 300 series motherboard, and at the time of writing, the only available version is Intel’s high-end Z370 which isn't an ideal pairing for the i5-8400. The Z series motherboards are designed to cater for the unlocked and overclockable "K" SKUs. Cheaper 300 series motherboards will be available in 2018 at which time the 8400 will offer even better value for money. [Oct '17 CPUPro]

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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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CPUGPUSSD
Intel Core i7-8700K $355Nvidia GTX 1070 $350Samsung 850 Evo 250GB $70
AMD Ryzen 5 1600 $159Nvidia GTX 1060-6GB $204Samsung 850 Evo 500GB $100
Intel Core i5-8600K $260Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $125SanDisk Extreme 64GB $43
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $800SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $133SanDisk Ultra Fit 32GB $12
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