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IntelBX80646I74790
IntelBX80623I72600K
$319
▲ 618,541 ▼

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

VS
▲ 767,499 ▼
 $319 

4 Cores, 8 Threads @3.4GHz, Sandy Bridge.
Release date: Q1 2011.

Effective Speed 
+1%
Real World Speed
Performance profile from 402,560 user samples
Benchmark your CPU here
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: 371st / 1441
Gaming
Gaming 71%
Battleship
Desktop
Desktop 75%
Battleship
Workstation
Workstation 58%
Gunboat
147,533 User Benchmarks
Best Bench: 83% Base clock 3.4 GHz, turbo 4.7 GHz (avg)
Worst Bench: 56% Base clock 3.4 GHz, turbo 27,195,430 GHz (avg)
Poor: 56% Great: 83%
SPEED RANK: 390th / 1441
Gaming
Gaming 71%
Battleship
Desktop
Desktop 75%
Battleship
Workstation
Workstation 55%
Gunboat
Effective Speed
Effective CPU Speed 		71.4 % +1% 70.6 %
Average Score 
+7%
Memory
Avg. Memory Latency 		82.6 Pts 87 Pts Slightly lower memory latency.
+5%
1-Core
Avg. Single Core Speed 		98.4 Pts Slightly faster single-core speed.
+7% 		91.8 Pts
2-Core
Avg. Dual Core Speed 		187 Pts Slightly faster dual-core speed.
+8% 		173 Pts
4-Core
Avg. Quad Core Speed 		327 Pts Faster quad-core speed.
+11% 		295 Pts
8-Core
Avg. Octa Core Speed 		482 Pts Faster octa-core speed.
+14% 		424 Pts
Overclocked Score 
+3%
Memory
OC Memory Latency 		93.6 Pts 96 Pts +3%
1-Core
OC Single Core Speed 		109 Pts 116 Pts Slightly faster OC single-core speed.
+6%
2-Core
OC Dual Core Speed 		214 Pts 226 Pts Slightly faster OC dual-core speed.
+6%
4-Core
OC Quad Core Speed 		377 Pts 384 Pts +2%
8-Core
OC Octa Core Speed 		551 Pts +0% 549 Pts
Value & Sentiment 
+96%
Market Share
Based on 67,709,043 CPUs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.76 % Hugely higher market share.
+322% 		0.18 %
Value
Value For Money 		87.1 % Better value.
+28% 		67.9 %
User Rating
UBM User Rating 		61 % 76 % More popular.
+25%
Price
Price (score) 		$135 Much cheaper.
+58% 		$319
Nice To Haves 
+10%
Age
Newest 		119 Months More recent.
+25% 		159 Months
TDP
Thermal Design Power (TDP) 		84 Watts More energy efficient.
+12% 		95 Watts
Cores
CPU Processing Cores 		4 cores 4 cores
Threads
CPU Processing Threads 		8 threads 8 threads
Lithography
Manufacturing process 		22 nm Much newer manufacturing.
+31% 		32 nm
Base Clock
Base Clock Speed 		3.6 GHz Slightly faster base frequency.
+6% 		3.4 GHz
Turbo Clock
Turbo Clock Speed 		4 GHz Slightly faster turbo frequency.
+5% 		3.8 GHz
64-Core
OC Multi Core Speed 		556 Pts 558 Pts +0%
64-Core
Avg. Multi Core Speed 		495 Pts Faster 64-core speed.
+13% 		437 Pts
Specifications 
Series
CPU Architecture 		Haswell Sandy Bridge
Socket
Motherboard Socket 		FCLGA1150 LGA1155
Graphics
Integrated Graphics 		HD 4600 HD 3000
Launch Date
Launch Date 		Q2'14 Q1'11
Instruction Set Extensions
Instruction Set Extensions 		SSE4.1/4.2, AVX 2.0 SSE4.1/4.2, AVX
Lithography
Lithography 		22 nm 32 nm
Recommended Price
Recommended Customer Price 		$303.00 - $312.00 N/A
Max Turbo Frequency
Max Turbo Frequency 		4 GHz 3.8 GHz
Bus Speed
Bus Speed 		5 GT/s DMI2 5 GT/s DMI
Memory Types
Memory Types 		DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V DDR3 1066/1333
Memory Bandwidth
Max Memory Bandwidth 		25.6 GB/s 21 GB/s
Processor Graphics
Processor Graphics ‡ 		Intel® HD Graphics 4600 Intel® HD Graphics 3000
Graphics Base Frequency
Graphics Base Frequency 		350 MHz 850 MHz
Wireless Display
Intel® Wireless Display 		Yes No
# of Displays Supported
# of Displays Supported ‡ 		3 2
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency 		1.2 GHz 1.35 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 2.0

More specs » More specs »
Conclusion 
Average Bench 71.4%
Average Bench 70.6%
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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

The i7-2600K Sandy Bridge processor is two generations old and nearly three years out of date. The numerous owners of this superb processor should feel in no hurry to upgrade as it's still one of the fastest consumer processors, even by today's standards. The benchmark figures indicate that in terms of real-world performance this processor is only 5% slower than the third generation Ivy Bridge i7-3770K, not bad considering its age. That said new buyers will find both better energy efficiency and marginal performance improvements elsewhere. [Feb '12 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
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