IntelBX80646I74770K
IntelBX80662I56400

4 Cores, 8 Threads @3.5GHz, Haswell.
Release date: Q1 2013.

4 Cores, 4 Threads @2.7GHz, Skylake.
Release date: Q3 2015.

Real World Speed
Performance profile from 323,760 user samples
168,671 User Benchmarks
Best Bench: 89% Base clock 3.5 GHz, turbo 4.8 GHz (avg)
Worst Bench: 66% Base clock 3.5 GHz, turbo 0.75 GHz (avg)
Poor: 66% Great: 89%
SPEED RANK: 177th / 1316
Gaming
Gaming 78%
Battleship
Desktop
Desktop 82%
Aircraft carrier
Workstation
Workstation 64%
Destroyer
155,089 User Benchmarks
Best Bench: 77% Base clock 1.6 GHz, turbo 2.7 GHz (avg)
Worst Bench: 59% Base clock 2.7 GHz, turbo 2.7 GHz (avg)
Poor: 59% Great: 77%
SPEED RANK: 335th / 1316
Gaming
Gaming 69%
Battle cruiser
Desktop
Desktop 74%
Battleship
Workstation
Workstation 52%
Yacht
Effective Speed
Effective CPU Speed
78.4 % Faster effective speed.
+13%
69.5 %
Memory
Avg. Memory Latency
88 Pts Slightly lower memory latency.
+9%
81.1 Pts
1-Core
Avg. Single Core Mixed Speed
109 Pts Faster single-core speed.
+17%
92.9 Pts
2-Core
Avg. Dual Core Mixed Speed
211 Pts Faster dual-core speed.
+15%
183 Pts
4-Core
Avg. Quad Core Mixed Speed
373 Pts Faster quad-core speed.
+12%
334 Pts
8-Core
Avg. Octa Core Mixed Speed
556 Pts Much faster octa-core speed.
+64%
340 Pts
Memory
OC Memory Latency
96.4 Pts Slightly lower OC memory latency.
+7%
90.4 Pts
1-Core
OC Single Core Mixed Speed
126 Pts Faster OC single-core speed.
+24%
102 Pts
2-Core
OC Dual Core Mixed Speed
248 Pts Faster OC dual-core speed.
+24%
200 Pts
4-Core
OC Quad Core Mixed Speed
460 Pts Faster OC quad-core speed.
+22%
376 Pts
8-Core
OC Octa Core Mixed Speed
660 Pts Much faster OC octa-core speed.
+75%
377 Pts
Market Share
Based on 46,332,146 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.27 % 0.36 % Much higher market share.
+33%
Value
Value For Money
76.8 % 78.3 % +2%
User Rating
UBM User Rating
64 % More popular.
+14%
56 %
Price
Price (score)
$300 $180 Much cheaper.
+40%
Age
Newest
102 Months 72 Months More recent.
+29%
TDP
Thermal Design Power (TDP)
84 Watts 65 Watts More energy efficient.
+23%
Cores
CPU Processing Cores
4 cores 4 cores
Threads
CPU Processing Threads
8 threads Hugely higher thread count.
+100%
4 threads
Lithography
Manufacturing process
22 nm 14 nm Much newer manufacturing.
+36%
Base Clock
Base Clock Speed
3.5 GHz Faster base frequency.
+30%
2.7 GHz
Turbo Clock
Turbo Clock Speed
3.9 GHz Faster turbo frequency.
+18%
3.3 GHz
64-Core
OC Multi Core Mixed Speed
661 Pts Much faster OC 64-core speed.
+74%
379 Pts
64-Core
Avg. Multi Core Mixed Speed
563 Pts Much faster 64-core speed.
+65%
341 Pts
Series
CPU Architecture
Haswell Skylake
Socket
Motherboard Socket
FCLGA1150 FCLGA1151
Graphics
Integrated Graphics
HD 4600 HD 530
Launch Date
Launch Date
Q2'13 Q3'15
Cache
Cache
8 MB SmartCache 6 MB SmartCache
Lithography
Lithography
22 nm 14 nm
Recommended Price
Recommended Customer Price
$339.00 - $350.00 $182.00 - $187.00
Max Turbo Frequency
Max Turbo Frequency
3.9 GHz 3.3 GHz
Bus Speed
Bus Speed
5 GT/s DMI2 8 GT/s DMI3
Thermal Solution Specification
Thermal Solution Specification
PCG 2013D PCG 2015C (65W)
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 DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V
Memory Bandwidth
Max Memory Bandwidth
25.6 GB/s 34.1 GB/s
Processor Graphics
Processor Graphics ‡
Intel® HD Graphics 4600 Intel® HD Graphics 530
Graphics Output
Graphics Output
eDP/DP/HDMI/DVI/VGA eDP/DP/HDMI/DVI
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.25 GHz 950 MHz
Graphics Video Max Memory
Graphics Video Max Memory
2 GB 64 GB
Graphics and IMC Lithography
Graphics and IMC Lithography
22 nm 14 nm
Hyper-Threading Tech
Intel® Hyper-Threading Technology ‡
Yes No
Virtualization for Directed I/O (VT-d)
Intel® Virtualization Technology for Directed I/O (VT-d) ‡
No Yes
PCI Express Revision
PCI Express Revision
Up to 3.0 3.0

More specs » More specs »
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The Core i7-4770K is Intel's fourth generation (codename Haswell) flagship processor in the hugely successful Core range. It's not surprising that the 4770K sets a new Real World Performance index record, besting its predecessor by just over 9%. The 4770K also tops out in the remainder of our benchmarks setting new highs of 10020 and 2164 in the PassMark and PassMark Single Thread tests which equates to roughly an 8% overall performance increase over the 3770K. With a TDP of 84 watts, power consumption has increased slightly over the 3770K. The new Core i7-4770K demonstrates around an 8% performance increase over its predecessor the 3770K but it costs 12% more. As a result, at least until prices drop, this processor represents marginally worse value for money than the 3770K. [Jun '13 CPUPro]

MORE DETAILS

Processor Rankings (Price vs Performance) September 2021 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.

UserBenchmark of the month

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.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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.

 Frequently Asked Questions

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