IntelBX80637I73770
IntelBX80662I56400

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

VS
About

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

Real World Speed
Performance profile from 254,494 user samples
149,171 User Benchmarks
Best Bench: 72% Base clock 3.4 GHz, turbo 4.1 GHz (avg)
Worst Bench: 49% Base clock 3.4 GHz, turbo 0.6 GHz (avg)
Poor: 49% Great: 72%
SPEED RANK: 190th / 1206
Gaming
Gaming 64%
Destroyer
Desktop
Desktop 66%
Battle cruiser
Workstation
Workstation 44%
Speed boat
105,323 User Benchmarks
Best Bench: 67% Base clock 2.7 GHz, turbo 2.7 GHz (avg)
Worst Bench: 44% Base clock 2.7 GHz, turbo 1.15 GHz (avg)
Poor: 44% Great: 67%
SPEED RANK: 248th / 1206
Gaming
Gaming 59%
Gunboat
Desktop
Desktop 61%
Destroyer
Workstation
Workstation 32%
Sail boat
Effective Speed
Effective CPU Speed
63.7 % Slightly faster effective speed.
+8%
59.1 %
1-Core
Avg. Single Core Mixed Speed
99.6 Pts Slightly faster single-core speed.
+10%
90.7 Pts
2-Core
Avg. Dual Core Mixed Speed
192 Pts Slightly faster dual-core speed.
+8%
178 Pts
4-Core
Avg. Quad Core Mixed Speed
340 Pts +4% 328 Pts
8-Core
Avg. Octa Core Mixed Speed
493 Pts Much faster octa-core speed.
+48%
332 Pts
1-Core
OC Single Core Mixed Speed
111 Pts Slightly faster OC single-core speed.
+9%
102 Pts
2-Core
OC Dual Core Mixed Speed
214 Pts Slightly faster OC dual-core speed.
+7%
200 Pts
4-Core
OC Quad Core Mixed Speed
402 Pts Slightly faster OC quad-core speed.
+7%
375 Pts
8-Core
OC Octa Core Mixed Speed
552 Pts Much faster OC octa-core speed.
+48%
374 Pts
Market Share
Based on 25,953,097 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.89 % Much higher market share.
+51%
0.59 %
Value
Value For Money
70.7 % Slightly better value.
+6%
66.8 %
User Rating
UBM User Rating
73 % Slightly more popular.
+7%
68 %
Price
Price (score)
$190 $179 Slightly cheaper.
+6%
Age
Newest
96 Months 54 Months Much more recent.
+44%
TDP
Thermal Design Power (TDP)
77 Watts 65 Watts More energy efficient.
+16%
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
3.4 GHz Faster base frequency.
+26%
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
557 Pts Much faster OC 64-core speed.
+47%
379 Pts
64-Core
Avg. Multi Core Mixed Speed
499 Pts Much faster 64-core speed.
+50%
333 Pts
Series
CPU Architecture
Ivy Bridge Skylake
Socket
Motherboard Socket
FCLGA1155 FCLGA1151
Graphics
Integrated Graphics
HD 4000 HD 530
Launch Date
Launch Date
Q2'12 Q3'15
Cache
Cache
8 MB SmartCache 6 MB SmartCache
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
Lithography
Lithography
22 nm 14 nm
Recommended Price
Recommended Customer Price
$283.00 - $305.00 $182.00 - $187.00
Bus Speed
Bus Speed
5 GT/s DMI 8 GT/s DMI3
Thermal Solution Specification
Thermal Solution Specification
2011D PCG 2015C (65W)
Max Memory Size
Max Memory Size (dependent on memory type)
32 GB 64 GB
Memory Types
Memory Types
DDR3 1333/1600 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 4000 Intel® HD Graphics 530
Graphics Base Frequency
Graphics Base Frequency
650 MHz 350 MHz
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.15 GHz 950 MHz
Hyper-Threading Tech
Intel® Hyper-Threading Technology ‡
Yes No
vPro Tech
Intel® vPro™ Technology ‡
Yes No
Trusted Execution Tech
Intel® Trusted Execution Technology ‡
Yes No
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

Processor Rankings (Price vs Performance) March 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.

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.
  • - 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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