IntelBX80684I58400
AMDFD6300WMHKBOX

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

6 Cores, 6 Threads @3.5GHz, Piledriver.
Release date: Q4 2012.

Real World Speed
Performance profile from 154,601 user samples
43,395 User Benchmarks
Best Bench: 94% Base clock 2.8 GHz, turbo 3.85 GHz (avg)
Worst Bench: 78% Base clock 2.8 GHz, turbo 2.45 GHz (avg)
Poor: 78% Great: 94%
SPEED RANK: 36th / 1137
Gaming
Gaming 89%
Aircraft carrier
Desktop
Desktop 86%
Aircraft carrier
Workstation
Workstation 65%
Destroyer
111,206 User Benchmarks
Best Bench: 54% Base clock 5.05 GHz, turbo 4.9 GHz (avg)
Worst Bench: 34% Base clock 3.5 GHz, turbo 1.75 GHz (avg)
Poor: 34% Great: 54%
SPEED RANK: 388th / 1137
Gaming
Gaming 46%
Yacht
Desktop
Desktop 47%
Yacht
Workstation
Workstation 32%
Sail boat
Effective Speed
Effective CPU Speed
89.1 % Hugely faster effective speed.
+94%
45.9 %
SC Mixed
Avg. Single Core Mixed Speed
117 Pts Much faster single-core speed.
+75%
66.7 Pts
QC Mixed
Avg. Quad Core Mixed Speed
452 Pts Hugely faster quad-core speed.
+101%
225 Pts
MC Mixed
Avg. Multi Core Mixed Speed
653 Pts Hugely faster multi-core speed.
+113%
307 Pts
SC Mixed
OC Single Core Mixed Speed
122 Pts Much faster OC single-core speed.
+58%
77.4 Pts
QC Mixed
OC Quad Core Mixed Speed
479 Pts Much faster OC quad-core speed.
+76%
272 Pts
MC Mixed
OC Multi Core Mixed Speed
703 Pts Hugely faster OC multi-core speed.
+86%
378 Pts
Market Share
Based on 12,174,187 CPUs tested.
Market Share
Market Share (trailing 30 days)
1.12 % Higher market share.
+24%
0.9 %
Value
Value For Money
107 % Better value.
+25%
85.8 %
User Rating
UBM User Rating
117 % Much more popular.
+72%
68 %
Price
Price (score)
$179 $55 Much cheaper.
+69%
Age
Newest
13 Months Hugely more recent.
+82%
73 Months
TDP
Thermal Design Power (TDP)
65 Watts Much more energy efficient.
+32%
95 Watts
Cores
CPU Processing Cores
6 cores 6 cores
Threads
CPU Processing Threads
6 threads 6 threads
Lithography
Manufacturing process
14 nm Much newer manufacturing.
+56%
32 nm
Base Clock
Base Clock Speed
2.8 GHz 3.5 GHz Faster base frequency.
+25%
Turbo Clock
Turbo Clock Speed
4 GHz 4.1 GHz +2%
SC Int
Single Core Integer Speed
118 Pts Much faster single-core int speed.
+43%
82.4 Pts
SC Float
Single Core Floating Point Speed
128 Pts Much faster single-core fp speed.
+76%
72.6 Pts
QC Int
Quad Core Integer Speed
463 Pts Much faster quad-core int speed.
+62%
285 Pts
QC Float
Quad Core Floating Point Speed
501 Pts Hugely faster quad-core fp speed.
+102%
248 Pts
MC Int
Multi Core Integer Speed
675 Pts Much faster multi-core int speed.
+74%
387 Pts
MC Float
Multi Core Floating Point Speed
741 Pts Hugely faster multi-core fp speed.
+127%
327 Pts
Series
CPU Architecture
Coffee Lake Piledriver
Socket
Motherboard Socket
FCLGA1151 AM3+
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]

MORE DETAILS

The FX 6-Core, like most CPUs from AMD, delivers reasonably good server orientated multi threaded performance and consequently good processing thoughput at a reasonable price tag. Where the FX 6-Core lacks is in the area of single core performance which although not normally a major problem for server workloads, is always very relevant to desktop users. The overall performance of the FX 6-Core is comparable to Intel's five years younger Core i7-950. There are server orientated use cases where the FX 6-Core will excel thanks to its excellent overall throughput and in those instances the FX 6-Core represents good value for money. But typical desktop users will find far better value elsewhere[Sep '13 CPUPro]

MORE DETAILS

Processor Rankings (Price vs Performance) November 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.
How Fast Is Your CPU? (Bench your build) Size up your PC in less than a minute.

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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How it works

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  • - CPU tests include: integer, floating and string.
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  • - Drive tests include: read, write, sustained write and mixed IO.
  • - 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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  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.

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CPUGPUSSD
Intel Core i7-8700K $359Nvidia GTX 1070 $340Samsung 850 Evo 250GB $89
AMD Ryzen 5 1600 $130Nvidia GTX 1060-6GB $245Samsung 850 Evo 500GB $97
Intel Core i5-8600K $237AMD RX 480 $280Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $130SanDisk Extreme 64GB $43
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $869SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $130SanDisk Ultra Fit 32GB $12
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