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IntelBX80646I74770
IntelBX80637I73770K
▲ 553,155 ▼

4 Cores, 8 Threads @3.4GHz, Haswell.
Release date: Q1 2013.

VS
▲ 628,228 ▼

4 Cores, 8 Threads @3.5GHz, Ivy Bridge.
Release date: Q2 2012.

Effective Speed 
+3%
Real World Speed
Performance profile from 342,300 user samples
Benchmark your CPU here
176,321 User Benchmarks
Best Bench: 78% Base clock 3.4 GHz, turbo 3.9 GHz (avg)
Worst Bench: 58% Base clock 3.4 GHz, turbo 3.65 GHz (avg)
Poor: 58% Great: 78%
SPEED RANK: 391st / 1441
Gaming
Gaming 70%
Battleship
Desktop
Desktop 74%
Battleship
Workstation
Workstation 57%
Gunboat
165,979 User Benchmarks
Best Bench: 83% Base clock 3.5 GHz, turbo 4.7 GHz (avg)
Worst Bench: 59% Base clock 3.5 GHz, turbo 3.7 GHz (avg)
Poor: 59% Great: 83%
SPEED RANK: 353rd / 1441
Gaming
Gaming 72%
Battleship
Desktop
Desktop 76%
Battleship
Workstation
Workstation 58%
Gunboat
Effective Speed
Effective CPU Speed 		70.5 % 72.4 % +3%
Average Score 
+1%
Memory
Avg. Memory Latency 		81.7 Pts 86.9 Pts Slightly lower memory latency.
+6%
1-Core
Avg. Single Core Speed 		97.7 Pts +1% 96.5 Pts
2-Core
Avg. Dual Core Speed 		186 Pts +2% 182 Pts
4-Core
Avg. Quad Core Speed 		321 Pts +2% 314 Pts
8-Core
Avg. Octa Core Speed 		478 Pts +4% 458 Pts
Overclocked Score 
+5%
Memory
OC Memory Latency 		92.6 Pts 96.4 Pts +4%
1-Core
OC Single Core Speed 		107 Pts 116 Pts Slightly faster OC single-core speed.
+8%
2-Core
OC Dual Core Speed 		209 Pts 222 Pts Slightly faster OC dual-core speed.
+6%
4-Core
OC Quad Core Speed 		364 Pts 382 Pts +5%
8-Core
OC Octa Core Speed 		538 Pts 557 Pts +4%
Value & Sentiment 
+28%
Market Share
Based on 67,709,163 CPUs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.35 % Much higher market share.
+46% 		0.24 %
Value
Value For Money 		101 % Better value.
+23% 		82.2 %
User Rating
UBM User Rating 		55 % 62 % More popular.
+13%
Price
Price (score) 		$75 Much cheaper.
+57% 		$175
Nice To Haves 
+1%
Age
Newest 		133 Months Slightly more recent.
+8% 		144 Months
TDP
Thermal Design Power (TDP) 		84 Watts 77 Watts Slightly more energy efficient.
+8%
Cores
CPU Processing Cores 		4 cores 4 cores
Threads
CPU Processing Threads 		8 threads 8 threads
Lithography
Manufacturing process 		22 nm 22 nm
Base Clock
Base Clock Speed 		3.4 GHz 3.5 GHz +3%
Turbo Clock
Turbo Clock Speed 		3.9 GHz 3.9 GHz
64-Core
OC Multi Core Speed 		539 Pts 573 Pts Slightly faster OC 64-core speed.
+6%
64-Core
Avg. Multi Core Speed 		490 Pts +4% 471 Pts
Specifications 
Series
CPU Architecture 		Haswell Ivy Bridge
Socket
Motherboard Socket 		FCLGA1150 FCLGA1155
Graphics
Integrated Graphics 		HD 4600 HD 4000
Launch Date
Launch Date 		Q2'13 Q2'12
Instruction Set Extensions
Instruction Set Extensions 		SSE4.1/4.2, AVX 2.0 SSE4.1/4.2, AVX
Recommended Price
Recommended Customer Price 		$303.00 - $312.00 $332.00 - $342.00
Bus Speed
Bus Speed 		5 GT/s DMI2 5 GT/s DMI
Thermal Solution Specification
Thermal Solution Specification 		PCG 2013D 2011D
Memory Types
Memory Types 		DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V DDR3 1333/1600
Processor Graphics
Processor Graphics ‡ 		Intel® HD Graphics 4600 Intel® HD Graphics 4000
Graphics Base Frequency
Graphics Base Frequency 		350 MHz 650 MHz
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency 		1.2 GHz 1.15 GHz
Virtualization for Directed I/O (VT-d)
Intel® Virtualization Technology for Directed I/O (VT-d) ‡ 		Yes No
vPro Tech
Intel® vPro™ Technology ‡ 		Yes No
Trusted Execution Tech
Intel® Trusted Execution Technology ‡ 		Yes No
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, 2x8, 1x8 & 2x4

More specs » More specs »
Conclusion 
Average Bench 70.5%
Average Bench 72.4%
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The Intel Core i7-4770 features Intel's most recent (Haswell) architecture. As with each of the previous "Core i" generations Intel have managed to reduce power consumption and simultaneously increase processing throughput. The i7-4770 has a locked multiplier which makes overclocking it much harder than its unlocked i7-4770K sibling. Comparing the 4770 and 4770K shows that the 4770K yields 14% higher processing throughput when overclocked and also costs 14% more. The 4770K has 4 physical cores which allow it to process four streams of instructions in parallel. General desktop computing tasks such as checking email, watching videos and surfing the web rarely require more than two cores, so for the majority of users this processor is overpowered. If you plan to encode video or compile software then this is one of the fastest reasonably priced processors available. [Mar '14 CPUPro]

MORE DETAILS

The third gen Ivy Bridge Core i7-3770K can't really be described as a consumer orientated processor. With 8 threads and four cores its capabilities are better aligned to server use. For price insensitive consumers that want the best of the best, this is currently one of the fastest processors available. The PassMark Single Thread score of 2080 points puts the 3770K right at the top of the pack in terms of raw processing power and real world performance. The GeekBench and PassMark scores of 17210 and 9653 are within 20% or so of the best we have ever seen. Despite the near record breaking processing throughputs the 3770K is only rated at 77 TDP, which is very low by historical standards. For typical consumer use there are better value propositions out there. [May '13 CPUPro]

MORE DETAILS

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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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  • 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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