Celeron N3450 vs i7-2640M

VS

Aggregate performance score

Core i7-2640M
2011
2 cores / 4 threads, 35 Watt
1.55
+24%
Celeron N3450
2016
4 cores / 4 threads, 6 Watt
1.25

Core i7-2640M outperforms Celeron N3450 by a significant 24% based on our aggregate benchmark results.

Primary details

Comparing Core i7-2640M and Celeron N3450 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21132297
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7Intel Celeron
Power efficiency4.1919.72
Architecture codenameSandy Bridge (2011−2013)Apollo Lake (2014−2016)
Release date4 September 2011 (13 years ago)30 August 2016 (8 years ago)
Launch price (MSRP)$346$107

Detailed specifications

Core i7-2640M and Celeron N3450 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores2 (Dual-core)4 (Quad-Core)
Threads44
Base clock speed2.8 GHz1.1 GHz
Boost clock speed3.5 GHz2.2 GHz
Bus typeDMI 2.0no data
Bus rate4 × 5 GT/sno data
Multiplier2811
L1 cache128 KBno data
L2 cache512 KB2 MB
L3 cache4 MB0 KB
Chip lithography32 nm14 nm
Die size149 mm2no data
Maximum core temperature100 °C105 °C
Number of transistors624 Millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-2640M and Celeron N3450 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration1 (Uniprocessor)1 (Uniprocessor)
SocketFCBGA1023,PPGA988FCBGA1296
Power consumption (TDP)35 Watt6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2640M and Celeron N3450. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXno data
AES-NI++
FMA+-
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
My WiFi+no data
Turbo Boost Technology2.0-
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
Smart Responseno data-
Demand Based Switching-no data
GPIOno data+
Smart Connectno data-
FDI+no data
Fast Memory Access+no data
HD Audiono data+
RSTno data-

Security technologies

Core i7-2640M and Celeron N3450 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Bootno data+
Secure Keyno data+
MPX-+
Identity Protection++
OS Guardno data+
Anti-Theft+-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2640M and Celeron N3450 are enumerated here.

AMD-V+-
VT-d++
VT-x++
VT-ino data-
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2640M and Celeron N3450. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3, DDR4
Maximum memory size16 GB8 GB
Max memory channels22
Maximum memory bandwidth228.707 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 3000Intel HD Graphics 500
Max video memoryno data8 GB
Quick Sync Video++
Clear Videono data+
Clear Video HD++
Graphics max frequency1.3 GHz700 MHz
Execution Unitsno data12
InTru 3D+-

Graphics interfaces

Available interfaces and connections of Core i7-2640M and Celeron N3450 integrated GPUs.

Number of displays supported23
eDP++
DisplayPort++
HDMI++
MIPI-DSIno data+
SDVO+no data
CRT+no data

Graphics API support

APIs supported by Core i7-2640M and Celeron N3450 integrated GPUs, sometimes API versions are included.

DirectXno data+
OpenGLno data+

Peripherals

Specifications and connection of peripherals supported by Core i7-2640M and Celeron N3450.

PCIe version2.02.0
PCI Express lanes166
USB revisionno data2.0/3.0
Total number of SATA portsno data2
Max number of SATA 6 Gb/s Portsno data2
Number of USB portsno data8
Integrated LANno data-
UARTno data+

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i7-2640M 1.55
+24%
Celeron N3450 1.25

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-2640M 2467
+24.2%
Celeron N3450 1987

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i7-2640M 515
+111%
Celeron N3450 244

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i7-2640M 1019
+50.5%
Celeron N3450 677

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i7-2640M 4443
+214%
Celeron N3450 1415

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i7-2640M 9778
+147%
Celeron N3450 3959

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i7-2640M 3927
+52.4%
Celeron N3450 2576

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i7-2640M 15.14
+47.4%
Celeron N3450 22.31

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i7-2640M 3
+68.4%
Celeron N3450 2

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

i7-2640M 1.36
+157%
Celeron N3450 0.53

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

i7-2640M 1.6
+33.3%
Celeron N3450 1.2

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

i7-2640M 17
+41.7%
Celeron N3450 12

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

i7-2640M 89
+53.4%
Celeron N3450 58

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

i7-2640M 2620
+157%
Celeron N3450 1020

Gaming performance

Pros & cons summary


Performance score 1.55 1.25
Integrated graphics card 0.66 0.77
Recency 4 September 2011 30 August 2016
Physical cores 2 4
Chip lithography 32 nm 14 nm
Power consumption (TDP) 35 Watt 6 Watt

i7-2640M has a 24% higher aggregate performance score.

Celeron N3450, on the other hand, has 16.7% faster integrated GPU, an age advantage of 4 years, 100% more physical cores, a 128.6% more advanced lithography process, and 483.3% lower power consumption.

The Core i7-2640M is our recommended choice as it beats the Celeron N3450 in performance tests.


Should you still have questions on choice between Core i7-2640M and Celeron N3450, ask them in Comments section, and we shall answer.

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Intel Core i7-2640M
Core i7-2640M
Intel Celeron N3450
Celeron N3450

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Community ratings

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