IntelBX80646I74770K
IntelBX80623I72600

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

4 Cores, 8 Threads @3.4GHz, Sandy Bridge.
Release date: Q1 2011.

Real World Speed
Performance profile from 332,539 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
163,868 User Benchmarks
Best Bench: 78% Base clock 3.4 GHz, turbo 3.95 GHz (avg)
Worst Bench: 58% Base clock 3.4 GHz, turbo 0.5 GHz (avg)
Poor: 58% Great: 78%
SPEED RANK: 304th / 1316
Gaming
Gaming 71%
Battleship
Desktop
Desktop 74%
Battleship
Workstation
Workstation 56%
Gunboat
Effective Speed
Effective CPU Speed
78.4 % Faster effective speed.
+10%
71 %
Memory
Avg. Memory Latency
88 Pts +2% 86.5 Pts
1-Core
Avg. Single Core Mixed Speed
109 Pts Faster single-core speed.
+20%
91 Pts
2-Core
Avg. Dual Core Mixed Speed
211 Pts Faster dual-core speed.
+21%
174 Pts
4-Core
Avg. Quad Core Mixed Speed
373 Pts Faster quad-core speed.
+23%
303 Pts
8-Core
Avg. Octa Core Mixed Speed
556 Pts Faster octa-core speed.
+28%
436 Pts
Memory
OC Memory Latency
96.4 Pts +4% 92.9 Pts
1-Core
OC Single Core Mixed Speed
126 Pts Faster OC single-core speed.
+26%
99.8 Pts
2-Core
OC Dual Core Mixed Speed
248 Pts Faster OC dual-core speed.
+27%
195 Pts
4-Core
OC Quad Core Mixed Speed
460 Pts Faster OC quad-core speed.
+26%
365 Pts
8-Core
OC Octa Core Mixed Speed
660 Pts Much faster OC octa-core speed.
+34%
492 Pts
Market Share
Based on 46,565,768 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.29 % 0.36 % Higher market share.
+24%
Value
Value For Money
76.8 % 77.4 % +1%
User Rating
UBM User Rating
64 % +5% 61 %
Price
Price (score)
$300 $203 Much cheaper.
+32%
Age
Newest
102 Months More recent.
+20%
128 Months
TDP
Thermal Design Power (TDP)
84 Watts More energy efficient.
+12%
95 Watts
Cores
CPU Processing Cores
4 cores 4 cores
Threads
CPU Processing Threads
8 threads 8 threads
Lithography
Manufacturing process
22 nm Much newer manufacturing.
+31%
32 nm
Base Clock
Base Clock Speed
3.5 GHz +3% 3.4 GHz
Turbo Clock
Turbo Clock Speed
3.9 GHz +3% 3.8 GHz
64-Core
OC Multi Core Mixed Speed
661 Pts Much faster OC 64-core speed.
+34%
494 Pts
64-Core
Avg. Multi Core Mixed Speed
563 Pts Faster 64-core speed.
+27%
442 Pts
Series
CPU Architecture
Haswell Sandy Bridge
Socket
Motherboard Socket
FCLGA1150 LGA1155
Graphics
Integrated Graphics
HD 4600 HD 2000
Launch Date
Launch Date
Q2'13 Q1'11
Instruction Set Extensions
Instruction Set Extensions
SSE4.1/4.2, AVX 2.0 SSE4.1/4.2, AVX
Embedded Options Available
Embedded Options Available
No Yes
Lithography
Lithography
22 nm 32 nm
Recommended Price
Recommended Customer Price
$339.00 - $350.00 $273.00
Max Turbo Frequency
Max Turbo Frequency
3.9 GHz 3.8 GHz
Bus Speed
Bus Speed
5 GT/s DMI2 5 GT/s DMI
Memory Types
Memory Types
DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V DDR3 1066/1333
Memory Bandwidth
Max Memory Bandwidth
25.6 GB/s 21 GB/s
Processor Graphics
Processor Graphics ‡
Intel® HD Graphics 4600 Intel® HD Graphics 2000
Graphics Base Frequency
Graphics Base Frequency
350 MHz 850 MHz
Wireless Display
Intel® Wireless Display
Yes No
# of Displays Supported
# of Displays Supported ‡
3 2
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.25 GHz 1.35 GHz
Virtualization for Directed I/O (VT-d)
Intel® Virtualization Technology for Directed I/O (VT-d) ‡
No Yes
vPro Tech
Intel® vPro™ Technology ‡
No Yes
Trusted Execution Tech
Intel® Trusted Execution Technology ‡
No Yes
PCI Express Revision
PCI Express Revision
Up to 3.0 2.0

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

If there is any chance whatsoever that you may decide to overclock your CPU then it makes a lot more sense to go for the 2600K "K" version which, thanks to its unlocked clock multiplier, is a lot easier to overclock. For the few extra pounds it costs, I would recommend taking the K version just on the off chance because there are easily 10%+ performance gains to be had. Otherwise this is still a superb processor and still holds its own against the i7-4770 which is its two generations newer replacement. [Feb '12 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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