IntelBX80684I58400
AMDYD270XBGAFBOX

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

8 Cores, 16 Threads @3.7GHz, Zen+.
Release date: Q2 2018.

Real World Speed
Performance profile from 93,291 user samples
50,828 User Benchmarks
Best Bench: 94% Base clock 2.8 GHz, turbo 3.85 GHz (avg)
Worst Bench: 80% Base clock 2.8 GHz, turbo 3.8 GHz (avg)
Poor: 80% Great: 94%
SPEED RANK: 43rd / 1143
Gaming
Gaming 89%
Aircraft carrier
Desktop
Desktop 86%
Aircraft carrier
Workstation
Workstation 65%
Destroyer
42,463 User Benchmarks
Best Bench: 106% Base clock 3.7 GHz
Worst Bench: 89% Base clock 3.7 GHz, turbo 4.25 GHz (avg)
Poor: 89% Great: 106%
SPEED RANK: 26th / 1143
Gaming
Gaming 100%
Nuclear submarine
Desktop
Desktop 97%
Nuclear submarine
Workstation
Workstation 106%
UFO
Effective Speed
Effective CPU Speed
89.2 % 99.6 % Slightly faster effective speed.
+12%
SC Mixed
Avg. Single Core Mixed Speed
117 Pts 120 Pts +3%
QC Mixed
Avg. Quad Core Mixed Speed
453 Pts 463 Pts +2%
MC Mixed
Avg. Multi Core Mixed Speed
654 Pts 1301 Pts Hugely faster multi-core speed.
+99%
SC Mixed
OC Single Core Mixed Speed
122 Pts 127 Pts +4%
QC Mixed
OC Quad Core Mixed Speed
478 Pts 495 Pts +4%
MC Mixed
OC Multi Core Mixed Speed
701 Pts 1401 Pts Hugely faster OC multi-core speed.
+100%
Market Share
Based on 12,892,126 CPUs tested.
Market Share
Market Share (trailing 30 days)
1.22 % 2.14 % Much higher market share.
+75%
Value
Value For Money
103 % +3% 99.8 %
User Rating
UBM User Rating
116 % Slightly more popular.
+6%
109 %
Price
Price (score)
$200 Much cheaper.
+31%
$290
Age
Newest
14 Months 7 Months Much more recent.
+50%
TDP
Thermal Design Power (TDP)
65 Watts Much more energy efficient.
+38%
105 Watts
Cores
CPU Processing Cores
6 cores 8 cores Much higher core count.
+33%
Threads
CPU Processing Threads
6 threads 16 threads Hugely higher thread count.
+167%
Lithography
Manufacturing process
14 nm 12 nm Slightly newer manufacturing.
+14%
Base Clock
Base Clock Speed
2.8 GHz 3.7 GHz Much faster base frequency.
+32%
Turbo Clock
Turbo Clock Speed
4 GHz 4.3 GHz Slightly faster turbo frequency.
+8%
SC Int
Single Core Integer Speed
118 Pts 122 Pts +3%
SC Float
Single Core Floating Point Speed
128 Pts 132 Pts +3%
QC Int
Quad Core Integer Speed
461 Pts 477 Pts +3%
QC Float
Quad Core Floating Point Speed
498 Pts 516 Pts +4%
MC Int
Multi Core Integer Speed
675 Pts 1357 Pts Hugely faster multi-core int speed.
+101%
MC Float
Multi Core Floating Point Speed
740 Pts 1412 Pts Hugely faster multi-core fp speed.
+91%
Series
CPU Architecture
Coffee Lake Zen+
Socket
Motherboard Socket
FCLGA1151 AM4
Graphics
Integrated Graphics
UHD 630 None
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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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The 8 core, 16 thread 2700X is AMD’s second generation Ryzen 7 flagship following in the wake of the Ryzen 7 1800X which continues to offer excellent multi-core value for money. This new Pinnacle Ridge processor features the Zen+ architecture with 12nm lithography compared to 14nm previously. Whilst there is no increase in the number of cores, the stock base / boost clocks appear to have received a bump up to 3.7 / 4.3 GHz from 3.6 / 4.0 GHz. The 2700X is compatible with both the new 400 series and 300 series of motherboards. Early benchmarks indicate that the 2700X has a slightly greater effective speed than the 1800X, although further benchmarks are necessary to quantify this. The expected launch price of $329 includes a Wraith Prism cooler and is in the same price bracket as the 1800X and Intel’s Coffee Lake i7-8700K. Whilst the 6 core, 12 thread 8700K beats the 2700X in single and quad core performance by about 10%, the 2700X wins on multi-core workloads. PC gaming and desktop performance is generally governed by four or less cores but the 2700X offers unbeatable value for money for workstation users. [Apr '18 CPUPro]

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Processor Rankings (Price vs Performance) December 2018 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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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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CPUGPUSSD
Intel Core i7-8700K $370Nvidia GTX 1070 $288Samsung 850 Evo 250GB $63
AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $230Samsung 850 Evo 500GB $100
Intel Core i5-8600K $240Nvidia GTX 1080-Ti $117Samsung 850 Pro 256GB $110
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $125SanDisk Extreme 64GB $72
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $830SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $130SanDisk Ultra Fit 32GB $12
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