i5-14400F vs Pentium G840

Aggregate performance score

Pentium G840
2011
2 cores / 2 threads, 65 Watt
0.82
Core i5-14400F
2024
10 cores / 16 threads, 65 Watt
16.85
+1955%

Core i5-14400F outperforms Pentium G840 by a whopping 1955% based on our aggregate benchmark results.

Primary details

Comparing Pentium G840 and Core i5-14400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2609404
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation4.6157.19
Market segmentDesktop processorDesktop processor
Power efficiency1.1523.64
Architecture codenameSandy Bridge (2011−2013)Raptor Lake-R (2023−2024)
Release date22 May 2011 (13 years ago)8 January 2024 (less than a year ago)
Launch price (MSRP)$60$196

Cost-effectiveness evaluation

Performance per price, higher is better.

i5-14400F has 1141% better value for money than Pentium G840.

Detailed specifications

Pentium G840 and Core i5-14400F 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)10 (Deca-Core)
Threads216
Base clock speed2.8 GHz2.5 GHz
Boost clock speed2.8 GHz4.7 GHz
L1 cache64 KB (per core)80 KB (per core)
L2 cache256 KB (per core)1.25 MB (per core)
L3 cache3 MB (shared)20 MB (shared)
Chip lithography32 nmIntel 7 nm
Die size131 mm2215 mm2
Maximum core temperature69 °C100 °C
Number of transistors504 millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Pentium G840 and Core i5-14400F 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 configuration11
SocketFCLGA1155FCLGA1700
Power consumption (TDP)65 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium G840 and Core i5-14400F. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology-2.0
Hyper-Threading Technology-+
TSX-+
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
FDI+no data
Fast Memory Access+no data
Deep Learning Boost-+

Security technologies

Pentium G840 and Core i5-14400F technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium G840 and Core i5-14400F are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium G840 and Core i5-14400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5-4800, DDR4-3200
Maximum memory size32 GB192 GB
Max memory channels22
Maximum memory bandwidth21 GB/s76.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® HD Graphics for 2nd Generation Intel® ProcessorsN/A
Graphics max frequency1.1 GHzno data

Graphics interfaces

Available interfaces and connections of Pentium G840 and Core i5-14400F integrated GPUs.

Number of displays supported2no data

Peripherals

Specifications and connection of peripherals supported by Pentium G840 and Core i5-14400F.

PCIe version2.05.0 and 4.0
PCI Express lanesno data16

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.

Pentium G840 0.82
i5-14400F 16.85
+1955%

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.

Pentium G840 1253
i5-14400F 25781
+1958%

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.

Pentium G840 452
i5-14400F 2338
+417%

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.

Pentium G840 789
i5-14400F 11503
+1358%

Gaming performance

Pros & cons summary


Performance score 0.82 16.85
Recency 22 May 2011 8 January 2024
Physical cores 2 10
Threads 2 16

i5-14400F has a 1954.9% higher aggregate performance score, an age advantage of 12 years, and 400% more physical cores and 700% more threads.

The Core i5-14400F is our recommended choice as it beats the Pentium G840 in performance tests.


Should you still have questions on choice between Pentium G840 and Core i5-14400F, 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 Pentium G840
Pentium G840
Intel Core i5-14400F
Core i5-14400F

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.


2.4 192 votes

Rate Pentium G840 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.8 536 votes

Rate Core i5-14400F on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Pentium G840 or Core i5-14400F, agree or disagree with our judgements, or report an error or mismatch.