Intel Core i5-3450
vs
Intel Core i7-5820K

vs

CPU Comparison Result

Below are the results of a comparison of Intel Core i5-3450 and Intel Core i7-5820K processors based on key performance characteristics, as well as power consumption and much more.

Advantages

  • More Total Cores: 6 (4 vs 6)
  • Higher Max Turbo Frequency: up to 3.6 GHz (3.50 GHz vs up to 3.6 GHz)
  • Newer PCI Express Version: Gen 3, 28 Lanes (CPU only) (3.0 vs Gen 3, 28 Lanes (CPU only))
  • Higher Memory Type: DDR4 (DDR3 1333/1600 vs DDR4)
  • Newer Launch Date: September 2014 (April 2012 vs September 2014)

Basic

Intel
Label Name
Intel
April 2012
Launch Date
September 2014
Desktop
Platform
Desktop
i5-3450
Model Name
Core i7-5820K
Ivi Bridge
Code Name
Haswell-E
-
Generation
Core i7 (Haswell-E)

CPU Specifications

4
Total Cores
Cores is a hardware term that describes the number of independent central processing units in a single computing component (die or chip).
6
4
Total Threads
12
3.10 GHz
Basic Frequency
3.3 GHz
Yes
Intel Virtualization Technology (VT-x)
-
No
Intel Virtualization Technology for Directed I/O (VT-d)
-
3.50 GHz
Max Turbo Frequency
up to 3.6 GHz
Intel® SSE4.1 | Intel® SSE4.2 | Intel® AVX
Instruction Set Extensions
-
Yes
Enhanced Intel SpeedStep Technology
-
No
Intel Hyper-Threading Technology
-
2.0
Intel Turbo Boost Technology
-
3.50 GHz
Intel Turbo Boost Technology 2.0 Frequency
-
-
L1 Cache
64 KB (per core)
-
L2 Cache
256 KB (per core)
-
L3 Cache
15 MB (shared)
-
Bus Frequency
100 MHz
6 MB Intel® Smart Cache
Cache
-
FCLGA1155
CPU Socket
The socket is the component that provides the mechanical and electrical connections between the processor and motherboard.
Intel Socket 2011-3
-
Multiplier
33.0x
-
Multiplier Unlocked
Yes
Yes
Intel AES New Instructions
-
22 nm
Technology
Lithography refers to the semiconductor technology used to manufacture an integrated circuit, and is reported in nanometer (nm), indicative of the size of features built on the semiconductor.
22 nm
77 W
TDP
140 W
3.0
PCI Express Version
PCI Express Revision is the supported version of the PCI Express standard. Peripheral Component Interconnect Express (or PCIe) is a high-speed serial computer expansion bus standard for attaching hardware devices to a computer. The different PCI Express versions support different data rates.
Gen 3, 28 Lanes (CPU only)
64-bit
Instruction Set
An instruction set architecture (ISA) defines the instructions a processor can execute. Common architectures include x86-64, ARM and RISC-V. The ISA determines software compatibility, while optional instruction extensions add specialized capabilities.
-
Yes
Intel 64
-
Yes
Intel VT-x with Extended Page Tables (EPT)
-
up to 1x16 | 2x8 | 1x8 & 2x4
PCI Express Configurations
PCI Express (PCIe) Configurations describe the available PCIe lane configurations that can be used to link to PCIe devices.
-
-
Transistor Count
2,600 million

Memory Specifications

DDR3 1333/1600
Memory Type
DDR4
32 GB
Max Memory Size
Max memory size refers to the maximum memory capacity supported by the processor.
-
2
Memory Channels
The number of memory channels refers to the bandwidth operation for real world application.
Quad-channel
5 GT/s
Bus Speed
-
25.6 GB/s
Max Memory Bandwidth
Max Memory bandwidth is the maximum rate at which data can be read from or stored into a semiconductor memory by the processor (in GB/s).
-
No
ECC Memory Support
ECC Memory Supported indicates processor support for Error-Correcting Code memory. ECC memory is a type of system memory that can detect and correct common kinds of internal data corruption. Note that ECC memory support requires both processor and chipset support.
No

GPU Specifications

Intel® HD Graphics 2500
GPU Name
-
650 MHz
Graphics Base Frequency
Graphics Base frequency refers to the rated/guaranteed graphics render clock frequency in MHz.
-
1.10 GHz
Graphics Frequency
-
3
Number of Displays Supported
-
Yes
Intel Clear Video HD Technology
-
Yes
Intel InTru 3D Technology
-
Yes
Intel Quick Sync Video
-

Miscellaneous

Yes
Execute Disable Bit
Execute Disable Bit is a hardware-based security feature that can reduce exposure to viruses and malicious-code attacks and prevent harmful software from executing and propagating on the server or network.
-

Benchmarks

Geekbench 6 Single Core
Core i5-3450
641
Core i7-5820K
1197 +87%
Geekbench 6 Multi Core
Core i5-3450
1814
Core i7-5820K
5537 +205%
Geekbench 5 Single Core
Core i5-3450
734
Core i7-5820K
927 +26%
Geekbench 5 Multi Core
Core i5-3450
2376
Core i7-5820K
6125 +158%
Passmark CPU Single Core
Core i5-3450
1872
Core i7-5820K
2000 +7%
Passmark CPU Multi Core
Core i5-3450
4493
Core i7-5820K
9857 +119%