IntelBX80646I34130
IntelBX80684I78700K

2 Cores, 4 Threads @3.4GHz, Haswell.
Release date: Q3 2013.

6 Cores, 12 Threads @3.7GHz, Coffee Lake.
Release date: Q4 2017.

Real World Speed
Performance profile from 531,411 user samples
34,392 User Benchmarks
Best Bench: 69% Base clock 3.4 GHz, turbo 3.85 GHz (avg)
Worst Bench: 49% Base clock 3.4 GHz, turbo 0.8 GHz (avg)
Poor: 49% Great: 69%
SPEED RANK: 453rd / 1272
Gaming
Gaming 62%
Destroyer
Desktop
Desktop 70%
Battle cruiser
Workstation
Workstation 44%
Speed boat
497,019 User Benchmarks
Best Bench: 104% Base clock 3.7 GHz, turbo 5.05 GHz (avg)
Worst Bench: 80% Base clock 3.7 GHz, turbo 0.9 GHz (avg)
Poor: 80% Great: 104%
SPEED RANK: 24th / 1272
Gaming
Gaming 93%
Nuclear submarine
Desktop
Desktop 95%
Nuclear submarine
Workstation
Workstation 85%
Aircraft carrier
Effective Speed
Effective CPU Speed
61.6 % 93.5 % Much faster effective speed.
+52%
Memory
Avg. Memory Latency
82.4 Pts 92.4 Pts Lower memory latency.
+12%
1-Core
Avg. Single Core Mixed Speed
91.3 Pts 135 Pts Much faster single-core speed.
+48%
2-Core
Avg. Dual Core Mixed Speed
159 Pts 265 Pts Much faster dual-core speed.
+67%
4-Core
Avg. Quad Core Mixed Speed
238 Pts 509 Pts Hugely faster quad-core speed.
+114%
8-Core
Avg. Octa Core Mixed Speed
241 Pts 824 Pts Hugely faster octa-core speed.
+242%
Memory
OC Memory Latency
93.3 Pts 97.6 Pts +5%
1-Core
OC Single Core Mixed Speed
101 Pts 154 Pts Much faster OC single-core speed.
+52%
2-Core
OC Dual Core Mixed Speed
190 Pts 307 Pts Much faster OC dual-core speed.
+62%
4-Core
OC Quad Core Mixed Speed
265 Pts 607 Pts Hugely faster OC quad-core speed.
+129%
8-Core
OC Octa Core Mixed Speed
265 Pts 973 Pts Hugely faster OC octa-core speed.
+267%
Market Share
Based on 34,669,453 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.15 % 1.47 % Hugely higher market share.
+880%
Value
Value For Money
86.7 % 91.5 % Slightly better value.
+6%
User Rating
UBM User Rating
58 % 158 % Hugely more popular.
+172%
Price
Price (score)
$80 Much cheaper.
+73%
$300
Age
Newest
85 Months 36 Months Much more recent.
+58%
TDP
Thermal Design Power (TDP)
54 Watts Much more energy efficient.
+43%
95 Watts
Cores
CPU Processing Cores
2 cores 6 cores Hugely higher core count.
+200%
Threads
CPU Processing Threads
4 threads 12 threads Hugely higher thread count.
+200%
Lithography
Manufacturing process
22 nm 14 nm Much newer manufacturing.
+36%
Base Clock
Base Clock Speed
3.4 GHz 3.7 GHz Slightly faster base frequency.
+9%
Turbo Clock
Turbo Clock Speed
3.4 GHz 4.7 GHz Much faster turbo frequency.
+38%
64-Core
OC Multi Core Mixed Speed
268 Pts 1208 Pts Hugely faster OC 64-core speed.
+351%
64-Core
Avg. Multi Core Mixed Speed
243 Pts 1026 Pts Hugely faster 64-core speed.
+322%
Series
CPU Architecture
Haswell Coffee Lake
Socket
Motherboard Socket
FCLGA1150 FCLGA1151
Graphics
Integrated Graphics
HD 4400 UHD 630
Launch Date
Launch Date
Q3'13 Q4'17
Cache
Cache
3 MB SmartCache 12 MB
Instruction Set Extensions
Instruction Set Extensions
SSE4.1/4.2, AVX 2.0 SSE4.1/4.2, AVX2
Lithography
Lithography
22 nm 14 nm
Recommended Price
Recommended Customer Price
$117.00 N/A
Bus Speed
Bus Speed
5 GT/s DMI2 8 GT/s DMI3
Thermal Solution Specification
Thermal Solution Specification
PCG 2013C PCG 2015C (130W)
Max Memory Size
Max Memory Size (dependent on memory type)
32 GB 64 GB
Memory Types
Memory Types
DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V DDR4-2666
ECC Memory Supported
ECC Memory Supported ‡
Yes No
Processor Graphics
Processor Graphics ‡
Intel® HD graphics 4400 Intel® UHD Graphics 630
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.15 GHz 1.20 GHz
Graphics Video Max Memory
Graphics Video Max Memory
2 GB 64 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) ‡
No Yes
TSX-NI
Intel® TSX-NI
No Yes
vPro Tech
Intel® vPro™ Technology ‡
No Yes
Stable Image Platform Program (SIPP)
Intel® Stable Image Platform Program (SIPP)
No Yes
Trusted Execution Tech
Intel® Trusted Execution Technology ‡
No Yes
PCI Express Revision
PCI Express Revision
Up to 3.0 3.0
PCI Express Configurations
PCI Express Configurations ‡
Up to 1x16, 2x8, 1x8+2x4 Up to 1x16 or 2x8 or 1x8+2x4

More specs » More specs »
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From the point of view of a consumer that typically uses a PC for surfing the web, checking email, listening to music and watching videos, I consider that the Haswell i3 processors currently represent the best value for money. The i3-4130 has a performance profile that is just 7% below the top nine group leader average yet it only costs half as much. Power users that play intensive 3d games or run video editing, graphics design or CAD packages will benefit from more than two cores and will do well to look elsewhere but for regular users overall responsiveness will remain largely unchanged regardless of how much more is spent on the CPU. (My new value pick is the G3420 which supersedes my recommendation of the i3-4130.) [Sep '13 CPUPro]

MORE DETAILS

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]

MORE DETAILS

Processor Rankings (Price vs Performance) October 2020 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.
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

  • - Download and run UserBenchMark.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - 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.
  • - Compare your components to the current market leaders.
  • - 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.

 Frequently Asked Questions

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HDDRAMUSB
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