Celeron G3900T vs i7-840QM

VS

Aggregate performance score

Core i7-840QM
2010
4 cores / 8 threads, 45 Watt
1.23
Celeron G3900T
2015
2 cores / 2 threads, 35 Watt
1.27
+3.3%

Celeron G3900T outperforms Core i7-840QM by a minimal 3% based on our aggregate benchmark results.

Primary details

Comparing Core i7-840QM and Celeron G3900T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking23252297
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7Intel Celeron
Power efficiency2.593.43
Architecture codenameClarksfield (2009−2010)Skylake (2015−2016)
Release date22 June 2010 (14 years ago)19 October 2015 (9 years ago)
Launch price (MSRP)$568no data

Detailed specifications

Core i7-840QM and Celeron G3900T 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 cores4 (Quad-Core)2 (Dual-core)
Threads82
Base clock speed1.86 GHz2.6 GHz
Boost clock speed3.2 GHz2.6 GHz
Bus typeDMI 1.0DMI 3.0
Bus rate2.5 GT/s4 × 8 GT/s
Multiplier1426
L1 cache256 KB128 KB
L2 cache1 MB512 KB
L3 cache8 MB (shared)2 MB
Chip lithography45 nm14 nm
Die size296 mm298.57 mm2
Maximum core temperature100 °Cno data
Number of transistors774 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-840QM and Celeron G3900T 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)
SocketFCPGA988,PGA988FCLGA1151
Power consumption (TDP)45 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-840QM and Celeron G3900T. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2Intel® SSE4.1, Intel® SSE4.2
AES-NI-+
AVX-+
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology+-
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring++
PAE36 Bitno data

Security technologies

Core i7-840QM and Celeron G3900T technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Keyno data+
SGXno dataYes with Intel® ME
OS Guardno data-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-840QM and Celeron G3900T are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-840QM and Celeron G3900T. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4-1866/2133, DDR3L-1333/1600
Maximum memory size8 GB64 GB
Max memory channels22
Maximum memory bandwidth21.335 GB/s34.134 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardNoneIntel HD Graphics 510
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data950 MHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i7-840QM and Celeron G3900T integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Core i7-840QM and Celeron G3900T integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@24Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz
Max resolution over VGAno dataN/A

Graphics API support

APIs supported by Core i7-840QM and Celeron G3900T integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.4

Peripherals

Specifications and connection of peripherals supported by Core i7-840QM and Celeron G3900T.

PCIe version23.0
PCI Express lanes1616

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.

i7-840QM 1.23
Celeron G3900T 1.27
+3.3%

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.

i7-840QM 1952
Celeron G3900T 2020
+3.5%

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.

i7-840QM 386
Celeron G3900T 554
+43.5%

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.

i7-840QM 1044
+5.9%
Celeron G3900T 986

Gaming performance

Pros & cons summary


Performance score 1.23 1.27
Recency 22 June 2010 19 October 2015
Physical cores 4 2
Threads 8 2
Chip lithography 45 nm 14 nm
Power consumption (TDP) 45 Watt 35 Watt

i7-840QM has 100% more physical cores and 300% more threads.

Celeron G3900T, on the other hand, has a 3.3% higher aggregate performance score, an age advantage of 5 years, a 221.4% more advanced lithography process, and 28.6% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i7-840QM and Celeron G3900T.


Should you still have questions on choice between Core i7-840QM and Celeron G3900T, ask them in Comments section, and we shall answer.

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Intel Core i7-840QM
Core i7-840QM
Intel Celeron G3900T
Celeron G3900T

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Community ratings

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