IntelBX80637I73770
$297
IntelBX80646I74790
 $297 

4 Cores, 8 Threads @3.4GHz, Ivy Bridge.
Release date: Q1 2012.

4 Cores, 8 Threads @3.6GHz, Haswell.
Release date: Q2 2014.

Real World Speed
Performance profile from 533,234 user samples
278,207 User Benchmarks
Best Bench: 76% Base clock 3.4 GHz, turbo 4.1 GHz (avg)
Worst Bench: 57% Base clock 3.4 GHz, turbo 3.65 GHz (avg)
Poor: 57% Great: 76%
SPEED RANK: 352nd / 1369
Gaming
Gaming 69%
Battle cruiser
Desktop
Desktop 73%
Battleship
Workstation
Workstation 55%
Yacht
255,027 User Benchmarks
Best Bench: 80% Base clock 3.6 GHz, turbo 4 GHz (avg)
Worst Bench: 58% Base clock 3.6 GHz, turbo 1.5 GHz (avg)
Poor: 58% Great: 80%
SPEED RANK: 299th / 1369
Gaming
Gaming 71%
Battleship
Desktop
Desktop 75%
Battleship
Workstation
Workstation 58%
Gunboat
Effective Speed
Effective CPU Speed
69 % 71.4 % +4%
Memory
Avg. Memory Latency
83 Pts +0% 82.6 Pts
1-Core
Avg. Single Core Speed
91.3 Pts 98.4 Pts Slightly faster single-core speed.
+8%
2-Core
Avg. Dual Core Speed
174 Pts 187 Pts Slightly faster dual-core speed.
+7%
4-Core
Avg. Quad Core Speed
299 Pts 327 Pts Slightly faster quad-core speed.
+9%
8-Core
Avg. Octa Core Speed
436 Pts 482 Pts Faster octa-core speed.
+11%
Memory
OC Memory Latency
93.1 Pts 93.6 Pts +1%
1-Core
OC Single Core Speed
101 Pts 109 Pts Slightly faster OC single-core speed.
+8%
2-Core
OC Dual Core Speed
198 Pts 214 Pts Slightly faster OC dual-core speed.
+8%
4-Core
OC Quad Core Speed
345 Pts 377 Pts Slightly faster OC quad-core speed.
+9%
8-Core
OC Octa Core Speed
497 Pts 551 Pts Faster OC octa-core speed.
+11%
Market Share
Based on 57,263,412 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.73 % +1% 0.72 %
Value
Value For Money
67.7 % 79.9 % Better value.
+18%
User Rating
UBM User Rating
57 % 62 % Slightly more popular.
+9%
Price
Price (score)
$297 $185 Much cheaper.
+38%
Age
Newest
129 Months 103 Months More recent.
+20%
TDP
Thermal Design Power (TDP)
77 Watts Slightly more energy efficient.
+8%
84 Watts
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 3.6 GHz Slightly faster base frequency.
+6%
Turbo Clock
Turbo Clock Speed
3.9 GHz 4 GHz +3%
64-Core
OC Multi Core Speed
498 Pts 556 Pts Faster OC 64-core speed.
+12%
64-Core
Avg. Multi Core Speed
449 Pts 495 Pts Faster 64-core speed.
+10%
Series
CPU Architecture
Ivy Bridge Haswell
Socket
Motherboard Socket
FCLGA1155 FCLGA1150
Graphics
Integrated Graphics
HD 4000 HD 4600
Launch Date
Launch Date
Q2'12 Q2'14
Instruction Set Extensions
Instruction Set Extensions
SSE4.1/4.2, AVX SSE4.1/4.2, AVX 2.0
Embedded Options Available
Embedded Options Available
Yes No
Recommended Price
Recommended Customer Price
$283.00 - $305.00 $303.00 - $312.00
Max Turbo Frequency
Max Turbo Frequency
3.9 GHz 4 GHz
Bus Speed
Bus Speed
5 GT/s DMI 5 GT/s DMI2
Thermal Solution Specification
Thermal Solution Specification
2011D PCG 2013D
Memory Types
Memory Types
DDR3 1333/1600 DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V
Processor Graphics
Processor Graphics ‡
Intel® HD Graphics 4000 Intel® HD Graphics 4600
Graphics Base Frequency
Graphics Base Frequency
650 MHz 350 MHz
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.15 GHz 1.2 GHz
PCI Express Revision
PCI Express Revision
3.0 Up to 3.0
PCI Express Configurations
PCI Express Configurations ‡
up to 1x16, 2x8, 1x8 & 2x4 Up to 1x16, 2x8, 1x8+2x4

More specs » More specs »
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The Intel Core i7-3770 is an Ivy Bridge processor. With four cores and eight threads the 3770 has excellent single , dual and multi-core performance. Comparing the 3770 to the 4770K shows that the 4770K leads by 11% at stock speeds and, thanks to an unlocked multiplier on the 4770K, by 15% at overclocked frequencies. The i7-3770 has a very strong performance profile which includes multi-core capabilities that are likely to be overkill for the majority of desktop users. Comparing the 3770 to the 3770K shows that the unlocked 3770K allows for, on average, an additional 8% increase in performance. [Mar '14 CPUPro]

MORE DETAILS

The Core i7-4790 is the third upgrade to Intel's flagship quad core hyper-threaded CPU. This version, like its predecessor the i7-4771, gets a 100 MHz bump in stock frequency and additionally the i7-4790 also gets a 100 MHz turbo frequency bump. These improvements (~4%) are marginal and practically impossible to discern in day to day use. Looking at a benchmark comparison between the 4771 and 4790 verifies that there is little difference between the two CPUs. Although the i7-4790 isn't much of a step forward, it's still one of the best (locked) mainstream processors on the market. AMD hasn't been able to compete with Intel on single threaded performance for several years, consequently Intel have no need to push the envelope. Overclockers should wait for the 4790K which is rumoured to be released shortly. [May '14 CPUPro]

MORE DETAILS

Processor Rankings (Price vs Performance) December 2022 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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