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Intel
Intel
▲ 5121 ▼

2 Cores, 4 Threads @3.33 GHz, Clarkdale.
Release date ≤ Q4 2013.

VS
▲ 5172 ▼
  

2 Cores, 4 Threads @2.9 GHz, Haswell.
Release date ≤ Q2 2014.

Effective Speed 
+16%
Real World Speed
Performance profile from 9,755 user samples
Benchmark your CPU here
2,457 User Benchmarks
Best Bench: 55% Base clock 5 GHz
Worst Bench: 37% Base clock 3.35 GHz
Poor: 37% Great: 55%
SPEED RANK: 817th / 1463
Gaming
Gaming 50%
Yacht
Desktop
Desktop 57%
Gunboat
Workstation
Workstation 36%
Jet ski
7,298 User Benchmarks
Best Bench: 66% Base clock 2.9 GHz, turbo 3.3 GHz (avg)
Worst Bench: 41% Base clock 2.9 GHz, turbo 3.3 GHz (avg)
Poor: 41% Great: 66%
SPEED RANK: 640th / 1463
Gaming
Gaming 58%
Gunboat
Desktop
Desktop 65%
Battle cruiser
Workstation
Workstation 42%
Speed boat
Effective Speed
Effective CPU Speed 		49.8 % 57.7 % Faster effective speed.
+16%
Average Score 
+13%
Memory
Avg. Memory Latency 		66.4 Pts 77.1 Pts Lower memory latency.
+16%
1-Core
Avg. Single Core Speed 		79.4 Pts 86.6 Pts Slightly faster single-core speed.
+9%
2-Core
Avg. Dual Core Speed 		138 Pts 150 Pts Slightly faster dual-core speed.
+9%
4-Core
Avg. Quad Core Speed 		194 Pts 223 Pts Faster quad-core speed.
+15%
8-Core
Avg. Octa Core Speed 		196 Pts 227 Pts Faster octa-core speed.
+16%
Overclocked Score 
+15%
Memory
OC Memory Latency 		73.9 Pts 90.4 Pts Lower OC memory latency.
+22%
1-Core
OC Single Core Speed 		90.1 Pts 101 Pts Faster OC single-core speed.
+12%
2-Core
OC Dual Core Speed 		165 Pts 176 Pts Slightly faster OC dual-core speed.
+7%
4-Core
OC Quad Core Speed 		219 Pts 254 Pts Faster OC quad-core speed.
+16%
8-Core
OC Octa Core Speed 		219 Pts 254 Pts Faster OC octa-core speed.
+16%
Value & Sentiment 
+∞%
Market Share
Based on 68,644,919 CPUs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0 % 0.01 % Insanely higher market share.
+∞%
User Rating
UBM User Rating 		51 % 51 %
Nice To Haves 
+11%
Age
Newest 		129+ Months 125+ Months +3%
64-Core
OC Multi Core Speed 		220 Pts 254 Pts Faster OC 64-core speed.
+15%
64-Core
Avg. Multi Core Speed 		197 Pts 228 Pts Faster 64-core speed.
+16%
Specifications 
Launch Date
Launch Date 		Q1'10 Q2'13
Instruction Set Extensions
Instruction Set Extensions 		SSE4.2 SSE4.1/4.2, AVX 2.0
Lithography
Lithography 		32 nm 22 nm
Recommended Price
Recommended Customer Price 		$177.00 $192.00 - $195.00
Bus Speed
Bus Speed 		2.5 GT/s DMI 5 GT/s DMI2
Max Memory Size
Max Memory Size (dependent on memory type) 		16 GB 32 GB
Memory Types
Memory Types 		DDR3 1066/1333 DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V
Memory Bandwidth
Max Memory Bandwidth 		21 GB/s 25.6 GB/s
Processor Graphics
Processor Graphics ‡ 		Intel® HD Graphics Intel® HD Graphics 4600
Graphics Base Frequency
Graphics Base Frequency 		900 MHz 200 MHz
# of Displays Supported
# of Displays Supported ‡ 		2 3
Graphics and IMC Lithography
Graphics and IMC Lithography 		45 nm 22 nm
Thermal Monitoring Technologies
Thermal Monitoring Technologies 		No Yes
Turbo Boost Tech
Intel® Turbo Boost Technology ‡ 		1.0 2.0
vPro Tech
Intel® vPro™ Technology ‡ 		No Yes
Trusted Execution Tech
Intel® Trusted Execution Technology ‡ 		No Yes
PCI Express Revision
PCI Express Revision 		2.0 Up to 3.0
PCI Express Configurations
PCI Express Configurations ‡ 		1x16, 2x8 Up to 1x16, 2x8, 1x8+2x4

More specs » More specs »
Conclusion 
Average Bench 49.8%
Average Bench 57.7%

A higher end Clarkdale hyperthreaded dual core processor. Came with similar amount of cores as i3-540 but comes with performance boosting features such as turbo which boost operating frequency to determined clock. For most users might worth looking to spend $30 more for more powerful i5-750 which comes with 4 core and 4 thread. Still worth it for today albeit for light gaming and modern basic tasks. [Dec '19 ColdSpy]

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