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Intel
IntelBX80646I74771
▲ 53291 ▼

2 Cores, @3.16 GHz, Wolfdale.
Release date ≤ Q4 2013.

VS
▲ 54747 ▼

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

Effective Speed 
+76%
Real World Speed
Performance profile from 30,021 user samples
Benchmark your CPU here
18,841 User Benchmarks
Best Bench: 48% Base clock 3.15 GHz, turbo 2.95 GHz (avg)
Worst Bench: 28% Base clock 3.15 GHz, turbo 2.95 GHz (avg)
Poor: 28% Great: 48%
SPEED RANK: 1039th / 1468
Gaming
Gaming 42%
Speed boat
Desktop
Desktop 48%
Yacht
Workstation
Workstation 28%
Raft
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: 347th / 1468
Gaming
Gaming 73%
Battleship
Desktop
Desktop 77%
Battleship
Workstation
Workstation 60%
Gunboat
Effective Speed
Effective CPU Speed 		41.9 % 73.5 % Much faster effective speed.
+76%
Average Score 
+212%
Memory
Avg. Memory Latency 		69.5 Pts 84.2 Pts Lower memory latency.
+21%
1-Core
Avg. Single Core Speed 		45.2 Pts 101 Pts Hugely faster single-core speed.
+123%
2-Core
Avg. Dual Core Speed 		83.3 Pts 193 Pts Hugely faster dual-core speed.
+132%
4-Core
Avg. Quad Core Speed 		85.2 Pts 340 Pts Hugely faster quad-core speed.
+299%
8-Core
Avg. Octa Core Speed 		87.5 Pts 512 Pts Hugely faster octa-core speed.
+485%
Overclocked Score 
+204%
Memory
OC Memory Latency 		80 Pts 93.9 Pts Lower OC memory latency.
+17%
1-Core
OC Single Core Speed 		51.2 Pts 111 Pts Hugely faster OC single-core speed.
+117%
2-Core
OC Dual Core Speed 		101 Pts 220 Pts Hugely faster OC dual-core speed.
+118%
4-Core
OC Quad Core Speed 		101 Pts 406 Pts Hugely faster OC quad-core speed.
+302%
8-Core
OC Octa Core Speed 		101 Pts 571 Pts Hugely faster OC octa-core speed.
+465%
Value & Sentiment 
+68%
Market Share
Based on 69,035,103 CPUs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.01 % 0.03 % Hugely higher market share.
+200%
Value
Value For Money 		54 % 93.7 % Much better value.
+73%
User Rating
UBM User Rating 		53 % 54 % +2%
Price
Price (score) 		$110 +4% $115
Nice To Haves 
+318%
Age
Newest 		131+ Months +4% 137 Months
64-Core
OC Multi Core Speed 		102 Pts 573 Pts Hugely faster OC 64-core speed.
+462%
64-Core
Avg. Multi Core Speed 		86.8 Pts 519 Pts Hugely faster 64-core speed.
+498%
Specifications 
Launch Date
Launch Date 		Q1'08 Q3'13
Cache
Cache 		6 MB L2 8 MB SmartCache
Lithography
Lithography 		45 nm 22 nm
Recommended Price
Recommended Customer Price 		$200.00 $314.00 - $320.00
Bus Speed
Bus Speed 		1333 MHz FSB 5 GT/s DMI2
Turbo Boost Tech
Intel® Turbo Boost Technology ‡ 		No 2.0
Hyper-Threading Tech
Intel® Hyper-Threading Technology ‡ 		No Yes
AES New Instructions
Intel® AES New Instructions 		No Yes

More specs » More specs »
Conclusion 
Average Bench 41.9%
Average Bench 73.5%

Beast processor during its time, when single core performance was king, but also software support, starting with Windows itself, was a major factor, it's crazy because all the benches at the time showed the e8500 beating the Phenom II 965 in gaming( the reason I was building a system) at the time, especially when it came to OC. Crazy what the benches are now, if you have Phenom II now with a mobo that works it may be useful (but they aren't very power efficient) but I burnt my mobo out overclocking so the point of what either processor could do 5 much less 10 years later is pretty moot. [Feb '21 qnytech1]

MORE DETAILS

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

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