i7-2840QM vs i9-9900

Aggregate performance score

Core i9-9900
2019
8 cores / 16 threads, 65 Watt
10.38
+329%
Core i7-2840QM
2011
4 cores / 8 threads, 45 Watt
2.42

Core i9-9900 outperforms Core i7-2840QM by a whopping 329% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9900 and Core i7-2840QM processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking7431763
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation8.52no data
Market segmentDesktop processorLaptop
SeriesIntel Core i9Intel Core i7
Power efficiency15.115.09
Architecture codenameCoffee Lake-R (2018−2019)Sandy Bridge (2011−2013)
Release date23 April 2019 (5 years ago)4 September 2011 (13 years ago)
Launch price (MSRP)$439no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-9900 and Core i7-2840QM 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 cores8 (Octa-Core)4 (Quad-Core)
Threads168
Base clock speed3.1 GHzno data
Boost clock speed5 GHz2.4 GHz
Bus typeDMI 3.0DMI 2.0
Bus rate4 × 8 GT/s4 × 5 GT/s
Multiplierno data24
L1 cache64K (per core)256 KB
L2 cache256K (per core)1 MB
L3 cache16 MB (shared)8 MB
Chip lithography14 nm32 nm
Die sizeno data216 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data1160 Million
64 bit support++
Windows 11 compatibility+-

Compatibility

Information on Core i9-9900 and Core i7-2840QM 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)
SocketFCLGA1151Socket G2
Power consumption (TDP)65 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900 and Core i7-2840QM. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI++
FMA-+
AVX++
vPro++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Idle States+no data
Thermal Monitoring+-
SIPP+-

Security technologies

Core i9-9900 and Core i7-2840QM technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB+no data
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900 and Core i7-2840QM are enumerated here.

VT-d++
VT-x++
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900 and Core i7-2840QM. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666no data
Maximum memory size128 GB32 GB
Max memory channels2no data
Maximum memory bandwidth42.671 GB/s25.598 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 630Intel HD Graphics 3000
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.2 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i9-9900 and Core i7-2840QM integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i9-9900 and Core i7-2840QM integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096 x 2304@24Hzno data
Max resolution over eDP4096 x 2304@60Hzno data
Max resolution over DisplayPort4096 x 2304@60Hzno data

Graphics API support

APIs supported by Core i9-9900 and Core i7-2840QM integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i9-9900 and Core i7-2840QM.

PCIe version3.0no data
PCI Express lanes16no 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.

i9-9900 10.38
+329%
i7-2840QM 2.42

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.

i9-9900 16488
+329%
i7-2840QM 3842

Gaming performance

Pros & cons summary


Performance score 10.38 2.42
Integrated graphics card 3.09 0.66
Recency 23 April 2019 4 September 2011
Physical cores 8 4
Threads 16 8
Chip lithography 14 nm 32 nm
Power consumption (TDP) 65 Watt 45 Watt

i9-9900 has a 328.9% higher aggregate performance score, 368.2% faster integrated GPU, an age advantage of 7 years, 100% more physical cores and 100% more threads, and a 128.6% more advanced lithography process.

i7-2840QM, on the other hand, has 44.4% lower power consumption.

The Core i9-9900 is our recommended choice as it beats the Core i7-2840QM in performance tests.

Note that Core i9-9900 is a desktop processor while Core i7-2840QM is a notebook one.


Should you still have questions on choice between Core i9-9900 and Core i7-2840QM, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i9-9900
Core i9-9900
Intel Core i7-2840QM
Core i7-2840QM

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4 384 votes

Rate Core i9-9900 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3 1 vote

Rate Core i7-2840QM on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i9-9900 or Core i7-2840QM, agree or disagree with our judgements, or report an error or mismatch.