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IntelBX80646I74771
IntelBX80646I54570
▲ 54743 ▼

4 Cores, 8 Threads @3.5GHz, Haswell.
Release date: Q2 2013.

VS
▲ 563,207 ▼

4 Cores, 4 Threads @3.2GHz, Haswell.
Release date: Q2 2013.

Effective Speed 
+18%
Real World Speed
Performance profile from 140,452 user samples
Benchmark your CPU here
11,180 User Benchmarks
Best Bench: 82% Base clock 3.5 GHz, turbo 3.7 GHz (avg)
Worst Bench: 60% Base clock 3.5 GHz, turbo 0.9 GHz (avg)
Poor: 60% Great: 82%
SPEED RANK: 328th / 1442
Gaming
Gaming 73%
Battleship
Desktop
Desktop 77%
Battleship
Workstation
Workstation 60%
Gunboat
129,272 User Benchmarks
Best Bench: 72% Base clock 3.2 GHz, turbo 3.6 GHz (avg)
Worst Bench: 46% Base clock 3.2 GHz, turbo 3.4 GHz (avg)
Poor: 46% Great: 72%
SPEED RANK: 541st / 1442
Gaming
Gaming 62%
Destroyer
Desktop
Desktop 68%
Battle cruiser
Workstation
Workstation 46%
Yacht
Effective Speed
Effective CPU Speed 		73.5 % Faster effective speed.
+18% 		62.4 %
Average Score 
+27%
Memory
Avg. Memory Latency 		84.2 Pts Lower memory latency.
+10% 		76.5 Pts
1-Core
Avg. Single Core Speed 		101 Pts Faster single-core speed.
+14% 		88.3 Pts
2-Core
Avg. Dual Core Speed 		193 Pts Faster dual-core speed.
+12% 		172 Pts
4-Core
Avg. Quad Core Speed 		340 Pts Faster quad-core speed.
+22% 		278 Pts
8-Core
Avg. Octa Core Speed 		512 Pts Much faster octa-core speed.
+74% 		295 Pts
Overclocked Score 
+23%
Memory
OC Memory Latency 		93.9 Pts +4% 90.4 Pts
1-Core
OC Single Core Speed 		111 Pts Faster OC single-core speed.
+14% 		97.1 Pts
2-Core
OC Dual Core Speed 		220 Pts Faster OC dual-core speed.
+16% 		190 Pts
4-Core
OC Quad Core Speed 		406 Pts Faster OC quad-core speed.
+19% 		342 Pts
8-Core
OC Octa Core Speed 		571 Pts Much faster OC octa-core speed.
+64% 		349 Pts
Value & Sentiment 
+454%
Market Share
Based on 67,765,417 CPUs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.02 % 0.38 % Insanely higher market share.
+1,800%
Value
Value For Money 		90.8 % Slightly better value.
+9% 		83 %
User Rating
UBM User Rating 		54 % 56 % +4%
Price
Price (score) 		$129 $99 Cheaper.
+24%
Nice To Haves 
+29%
Age
Newest 		130 Months +2% 132 Months
TDP
Thermal Design Power (TDP) 		84 Watts 84 Watts
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 22 nm
Base Clock
Base Clock Speed 		3.5 GHz Slightly faster base frequency.
+9% 		3.2 GHz
Turbo Clock
Turbo Clock Speed 		3.9 GHz Slightly faster turbo frequency.
+8% 		3.6 GHz
64-Core
OC Multi Core Speed 		573 Pts Much faster OC 64-core speed.
+63% 		351 Pts
64-Core
Avg. Multi Core Speed 		519 Pts Much faster 64-core speed.
+74% 		298 Pts
Specifications 
Series
CPU Architecture 		Haswell Haswell
Socket
Motherboard Socket 		FCLGA1150 FCLGA1150
Graphics
Integrated Graphics 		HD 4600 HD 4600
Launch Date
Launch Date 		Q3'13 Q2'13
Cache
Cache 		8 MB SmartCache 6 MB SmartCache
Recommended Price
Recommended Customer Price 		$314.00 - $320.00 $192.00 - $202.00
Max Turbo Frequency
Max Turbo Frequency 		3.9 GHz 3.6 GHz
Graphics Output
Graphics Output 		eDP/DP/HDMI/DVI/VGA eDP/DP/HDMI/VGA
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency 		1.2 GHz 1.15 GHz
Hyper-Threading Tech
Intel® Hyper-Threading Technology ‡ 		Yes No

More specs » More specs »
Conclusion 
Average Bench 73.5%
Average Bench 62.4%
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The Intel i7-4771 is the same as the i7-4770 apart from a 100 MHz increase in base clock from 3.4 GHz to 3.5 GHz. In theory this increase will only impact multi-core workloads because both processors have the same turbo clock of 3.9 GHz which should be engaged during single and dual core workloads. On multi-core workloads the turbo needs to be disabled in order to maintain acceptable core temperatures and operating frequencies drop to base clock where the i7-4771 has a marginal 100 MHz or 2.9% advantage. In other words the two processors should be largely identical. Looking at the i7-4770 vs the i7-4771 benchmarks verifies this. Both the 4770 and 4771 are the current top end mainstream market leaders but for the vast majority of desktop users they are probably overkill as typical consumer use rarely requires more than two cores. [Mar '14 CPUPro]

MORE DETAILS

The Intel Core i5-4570 is a relatively fast quad core desktop processor based on the 4th generation Haswell architecture which was launched in Q2 2013. With a base frequency of 3.2 GHz which can boost to a maximum of 3.6 GHz turbo, it has a good effective speed of 93, with a particularly impressive single-core of 98. Unlike the ‘K’ model processors, the i5-4570 is not unlocked, so the max overclocked speed is limited. Whilst this is a great CPU looking at the 4690K versus 4570 shows that the unlocked 4690K offers 20% more performance but at a 20% price premium. The i5-4570 also features integrated Intel HD Graphics 4600 which is about 25% better than the previous HD 4000 Graphics but still not good enough to enjoy modern 3D games. [Nov '14 CPUPro]

MORE DETAILS

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