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IntelBX80619I73930K
IntelBX80637I73770
$297
▲ 632,464 ▼

6 Cores, 12 Threads @3.2GHz, Sandy Bridge-E.
Release date: Q4 2011.

VS
▲ 585,028 ▼
 $297 

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

Effective Speed 
+8%
Real World Speed
Performance profile from 311,379 user samples
Benchmark your CPU here
33,172 User Benchmarks
Best Bench: 85% Base clock 3.2 GHz
Worst Bench: 63% Base clock 3.8 GHz, turbo 4.15 GHz (avg)
Poor: 63% Great: 85%
SPEED RANK: 314th / 1441
Gaming
Gaming 74%
Battleship
Desktop
Desktop 76%
Battleship
Workstation
Workstation 64%
Destroyer
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: 423rd / 1441
Gaming
Gaming 69%
Battle cruiser
Desktop
Desktop 73%
Battleship
Workstation
Workstation 55%
Yacht
Effective Speed
Effective CPU Speed 		74.4 % Slightly faster effective speed.
+8% 		69 %
Average Score 
+10%
Memory
Avg. Memory Latency 		85.2 Pts +3% 83 Pts
1-Core
Avg. Single Core Speed 		91.6 Pts +0% 91.3 Pts
2-Core
Avg. Dual Core Speed 		182 Pts +5% 174 Pts
4-Core
Avg. Quad Core Speed 		344 Pts Faster quad-core speed.
+15% 		299 Pts
8-Core
Avg. Octa Core Speed 		548 Pts Faster octa-core speed.
+26% 		436 Pts
Overclocked Score 
+18%
Memory
OC Memory Latency 		94.7 Pts +2% 93.1 Pts
1-Core
OC Single Core Speed 		112 Pts Faster OC single-core speed.
+11% 		101 Pts
2-Core
OC Dual Core Speed 		223 Pts Faster OC dual-core speed.
+13% 		198 Pts
4-Core
OC Quad Core Speed 		432 Pts Faster OC quad-core speed.
+25% 		345 Pts
8-Core
OC Octa Core Speed 		684 Pts Much faster OC octa-core speed.
+38% 		497 Pts
Value & Sentiment 
+254%
Market Share
Based on 67,819,160 CPUs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.05 % 0.57 % Insanely higher market share.
+1,040%
Value
Value For Money 		74.2 % Slightly better value.
+10% 		67.7 %
User Rating
UBM User Rating 		63 % Slightly more popular.
+9% 		58 %
Price
Price (score) 		$280 Slightly cheaper.
+6% 		$297
Nice To Haves 
+15%
Age
Newest 		150 Months 146 Months +3%
TDP
Thermal Design Power (TDP) 		130 Watts 77 Watts Much more energy efficient.
+41%
Cores
CPU Processing Cores 		6 cores Much higher core count.
+50% 		4 cores
Threads
CPU Processing Threads 		12 threads Much higher thread count.
+50% 		8 threads
Lithography
Manufacturing process 		32 nm 22 nm Much newer manufacturing.
+31%
Base Clock
Base Clock Speed 		3.2 GHz 3.4 GHz Slightly faster base frequency.
+6%
Turbo Clock
Turbo Clock Speed 		3.8 GHz 3.9 GHz +3%
64-Core
OC Multi Core Speed 		841 Pts Much faster OC 64-core speed.
+69% 		498 Pts
64-Core
Avg. Multi Core Speed 		681 Pts Much faster 64-core speed.
+52% 		449 Pts
Specifications 
Series
CPU Architecture 		Sandy Bridge-E Ivy Bridge
Socket
Motherboard Socket 		FCLGA2011 FCLGA1155
Graphics
Integrated Graphics 		None HD 4000
Launch Date
Launch Date 		Q4'11 Q2'12
Cache
Cache 		12 MB SmartCache 8 MB SmartCache
Instruction Set Extensions
Instruction Set Extensions 		SSE4.2, AVX, AES SSE4.1/4.2, AVX
Embedded Options Available
Embedded Options Available 		No Yes
Lithography
Lithography 		32 nm 22 nm
Recommended Price
Recommended Customer Price 		N/A $283.00 - $305.00
Max Turbo Frequency
Max Turbo Frequency 		3.8 GHz 3.9 GHz
Bus Speed
Bus Speed 		5 GT/s DMI2 5 GT/s DMI
Max Memory Size
Max Memory Size (dependent on memory type) 		64 GB 32 GB
Memory Types
Memory Types 		DDR3 1066/1333/1600 DDR3 1333/1600
Memory Channels
Max # of Memory Channels 		4 2
Memory Bandwidth
Max Memory Bandwidth 		51.2 GB/s 25.6 GB/s
Package Size
Package Size 		52.5mm x 45.0mm 37.5mm x 37.5mm
vPro Tech
Intel® vPro™ Technology ‡ 		No Yes
Trusted Execution Tech
Intel® Trusted Execution Technology ‡ 		No Yes
PCI Express Revision
PCI Express Revision 		2.0 3.0

More specs » More specs »
Conclusion 
Average Bench 74.4%
Average Bench 69%
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The 3930K has an outstanding multi-core performance profile, almost as good as you can buy at any budget, which considering its relatively reasonable price tag really make it stand out from the crowd. The reason for the extraordinary multi-core benchmark scores is down to the 3930K's six cores. Having six cores effectively results in a 50% lead over quad core cpus and a 200% percent lead over dual core cpu's. Typical desktop users rarely use more than two cores simultaneously thus rendering the additional four cores largely redundant for consumer use. In terms of regular use this CPU will offer virtually no better real world performance than the leaders in my Desktop CPU Group Test. For server orientated workloads the 3930K offers both outstanding performance and superb value for money. [Jun '13 CPUPro]

MORE DETAILS

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

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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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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.
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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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  • - Reports are generated and presented on userbenchmark.com
  • - Identify the strongest components in your PC
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