IntelBX80684I38100
IntelBX80646I54670K

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

4 Cores, 4 Threads @3.4GHz, Haswell.
Release date: Q2 2013.

Real World Speed
Performance profile from 209,874 user samples
81,392 User Benchmarks
Best Bench: 80% Base clock 3.6 GHz, turbo 3.6 GHz (avg)
Worst Bench: 53% Base clock 3.6 GHz, turbo 3.6 GHz (avg)
Poor: 53% Great: 80%
SPEED RANK: 388th / 1442
Gaming
Gaming 71%
Battleship
Desktop
Desktop 77%
Battleship
Workstation
Workstation 53%
Yacht
128,482 User Benchmarks
Best Bench: 79% Base clock 3.4 GHz, turbo 4.6 GHz (avg)
Worst Bench: 51% Base clock 3.4 GHz
Poor: 51% Great: 79%
SPEED RANK: 445th / 1442
Gaming
Gaming 68%
Battle cruiser
Desktop
Desktop 74%
Battleship
Workstation
Workstation 51%
Yacht
Effective Speed
Effective CPU Speed
70.6 % +4% 68 %
Memory
Avg. Memory Latency
81.8 Pts 81.8 Pts
1-Core
Avg. Single Core Speed
106 Pts Slightly faster single-core speed.
+8%
97.8 Pts
2-Core
Avg. Dual Core Speed
210 Pts Slightly faster dual-core speed.
+9%
192 Pts
4-Core
Avg. Quad Core Speed
342 Pts Slightly faster quad-core speed.
+10%
311 Pts
8-Core
Avg. Octa Core Speed
359 Pts Slightly faster octa-core speed.
+8%
332 Pts
Memory
OC Memory Latency
93.4 Pts 94.6 Pts +1%
1-Core
OC Single Core Speed
112 Pts 120 Pts Slightly faster OC single-core speed.
+7%
2-Core
OC Dual Core Speed
224 Pts 235 Pts +5%
4-Core
OC Quad Core Speed
408 Pts +3% 395 Pts
8-Core
OC Octa Core Speed
419 Pts +1% 415 Pts
Market Share
Based on 67,721,229 CPUs tested
Market Share
Market Share (trailing 30 days)
0.29 % Hugely higher market share.
+123%
0.13 %
Value
Value For Money
91.2 % 103 % Better value.
+13%
User Rating
UBM User Rating
67 % Slightly more popular.
+8%
62 %
Price
Price (score)
$110 $62 Much cheaper.
+44%
Age
Newest
78 Months Much more recent.
+40%
130 Months
TDP
Thermal Design Power (TDP)
65 Watts More energy efficient.
+23%
84 Watts
Cores
CPU Processing Cores
4 cores 4 cores
Threads
CPU Processing Threads
4 threads 4 threads
Lithography
Manufacturing process
14 nm Much newer manufacturing.
+36%
22 nm
Base Clock
Base Clock Speed
3.6 GHz Slightly faster base frequency.
+6%
3.4 GHz
Turbo Clock
Turbo Clock Speed
3.6 GHz 3.8 GHz Slightly faster turbo frequency.
+6%
64-Core
OC Multi Core Speed
420 Pts +2% 413 Pts
64-Core
Avg. Multi Core Speed
364 Pts Slightly faster 64-core speed.
+9%
335 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 Q2'13
Cache
Cache
6 MB 6 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 $242.00 - $243.00
Bus Speed
Bus Speed
8 GT/s DMI3 5 GT/s DMI2
Thermal Solution Specification
Thermal Solution Specification
PCG 2015C (65W) PCG 2013D
Max Memory Size
Max Memory Size (dependent on memory type)
64 GB 32 GB
Memory Types
Memory Types
DDR4-2400 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
1.10 GHz 1.2 GHz
Graphics Video Max Memory
Graphics Video Max Memory
64 GB 2 GB
Turbo Boost Tech
Intel® Turbo Boost Technology ‡
No 2.0
Virtualization for Directed I/O (VT-d)
Intel® Virtualization Technology for Directed I/O (VT-d) ‡
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 »
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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]

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The Intel Core i5-4670K is the latest middle tier desktop processor from the fourth generation of Intel's Core range codenamed "Haswell". In terms of raw performance this processor slightly bests its predecessor the 3570K achieving approximately 10% higher server benchmark scores. In terms of real world performance the single core improvements are more relevant as more than two cores are rarely used for most typical consumer tasks and these have also improved by around 10% over the 3570K. It's not all good news though as the price increase of 14% more than offsets the performance improvements. This processor currently represents approximately the same value for money as its predecessor, the i5-3570K. [Jun '13 CPUPro]

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Processor Rankings (Price vs Performance) April 2024 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 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 value for money 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
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
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 Frequently Asked Questions

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CPUGPUSSD
Intel Core i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $182Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $30Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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