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Intel
IntelBX80677I77700
▲ 5123 ▼
  

4 Cores, 8 Threads @2.66 GHz, Westmere EP.
Release date ≈ Q3 2014.

VS
▲ 6011,075 ▼

4 Cores, 8 Threads @3.6GHz, Kaby Lake.
Release date: Q1 2017.

Effective Speed 
+18%
Real World Speed
Performance profile from 257,366 user samples
Benchmark your CPU here
649 User Benchmarks
Best Bench: 77% Base clock 2.65 GHz
Worst Bench: 51% Base clock 2.65 GHz, turbo 2.8 GHz (avg)
Poor: 51% Great: 77%
SPEED RANK: 528th / 1463
Gaming
Gaming 64%
Destroyer
Desktop
Desktop 67%
Battle cruiser
Workstation
Workstation 48%
Yacht
256,717 User Benchmarks
Best Bench: 84% Base clock 3.6 GHz, turbo 4 GHz (avg)
Worst Bench: 63% Base clock 3.6 GHz, turbo 4 GHz (avg)
Poor: 63% Great: 84%
SPEED RANK: 305th / 1463
Gaming
Gaming 76%
Battleship
Desktop
Desktop 80%
Battleship
Workstation
Workstation 63%
Destroyer
Effective Speed
Effective CPU Speed 		64.4 % 76.2 % Faster effective speed.
+18%
Average Score 
+49%
Memory
Avg. Memory Latency 		85.7 Pts +2% 84 Pts
1-Core
Avg. Single Core Speed 		68.5 Pts 110 Pts Much faster single-core speed.
+61%
2-Core
Avg. Dual Core Speed 		135 Pts 208 Pts Much faster dual-core speed.
+54%
4-Core
Avg. Quad Core Speed 		242 Pts 371 Pts Much faster quad-core speed.
+53%
8-Core
Avg. Octa Core Speed 		312 Pts 556 Pts Much faster octa-core speed.
+78%
Overclocked Score 
+24%
Memory
OC Memory Latency 		93.9 Pts +1% 93.3 Pts
1-Core
OC Single Core Speed 		97.1 Pts 122 Pts Faster OC single-core speed.
+26%
2-Core
OC Dual Core Speed 		184 Pts 237 Pts Faster OC dual-core speed.
+29%
4-Core
OC Quad Core Speed 		320 Pts 414 Pts Faster OC quad-core speed.
+29%
8-Core
OC Octa Core Speed 		456 Pts 633 Pts Much faster OC octa-core speed.
+39%
Value & Sentiment 
+∞%
Market Share
Based on 68,652,082 CPUs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0 % 0.71 % Insanely higher market share.
+∞%
User Rating
UBM User Rating 		51 % 60 % More popular.
+18%
Nice To Haves 
+47%
Age
Newest 		122+ Months 92 Months More recent.
+25%
64-Core
OC Multi Core Speed 		472 Pts 640 Pts Much faster OC 64-core speed.
+36%
64-Core
Avg. Multi Core Speed 		316 Pts 572 Pts Hugely faster 64-core speed.
+81%
Specifications 
Launch Date
Launch Date 		Q1'10 Q1'17
Cache
Cache 		12 MB SmartCache 8 MB
Instruction Set Extensions
Instruction Set Extensions 		SSE4.2 SSE4.1/4.2, AVX 2.0
Lithography
Lithography 		32 nm 14 nm
Recommended Price
Recommended Customer Price 		$774.00 - $777.00 $303.00 - $312.00
Max Turbo Frequency
Max Turbo Frequency 		2.93 GHz 4.20 GHz
Bus Speed
Bus Speed 		5.86 GT/s QPI 8 GT/s DMI3
QPI Links
# of QPI Links 		2 0
Max Memory Size
Max Memory Size (dependent on memory type) 		288 GB 64 GB
Memory Types
Memory Types 		DDR3 800/1066 DDR4-2133/2400, DDR3L-1333/1600 @ 1.35V
Memory Channels
Max # of Memory Channels 		3 2
ECC Memory Supported
ECC Memory Supported ‡ 		Yes No
Package Size
Package Size 		42.5mm X 45mm 37.5mm x 37.5mm
Max CPU Configuration
Max CPU Configuration 		2 1
Thermal Monitoring Technologies
Thermal Monitoring Technologies 		No Yes
Turbo Boost Tech
Intel® Turbo Boost Technology ‡ 		1.0 2.0

More specs » More specs »
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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.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.
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Welcome to our 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 value for money upgrades.

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Gaming Desktop ProGaming

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  • - Download and run UserBenchmark
  • - CPU tests include: integer, floating and string
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  • - Reports are generated and presented on userbenchmark.com
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  • - See speed test results from other users
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Brands make boatloads on flagships like the 4090 and 14900KS. We help users get similar real-world performance for less money.
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