Celeron G3900T vs Core i5-8400T
Aggregate performance score
i5-8400T outperforms Celeron G3900T by a whopping 266% based on our aggregate benchmark results.
Primary details
Comparing Core i5-8400T and Celeron G3900T processor market type (desktop or notebook), architecture, sales start time and price.
Place in performance ranking | 1229 | 2222 |
Place by popularity | not in top-100 | not in top-100 |
Cost-effectiveness evaluation | 5.66 | no data |
Market segment | Desktop processor | Laptop |
Series | Intel Core i5 | Intel Celeron |
Architecture codename | Coffee Lake (2017−2019) | Skylake (2015−2016) |
Release date | 2 April 2018 (6 years ago) | 19 October 2015 (8 years ago) |
Launch price (MSRP) | $182 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i5-8400T 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 cores | 6 (Hexa-Core) | 2 (Dual-core) |
Threads | 6 | 2 |
Base clock speed | 1.7 GHz | no data |
Boost clock speed | 1.7 GHz | 2.6 GHz |
Bus support | 4 × 8 GT/s | 4 × 8 GT/s |
L1 cache | 384 KB | 128 KB |
L2 cache | 1.5 MB | 512 KB |
L3 cache | 9 MB (shared) | 2 MB |
Chip lithography | 14 nm | 14 nm |
Die size | 149 mm2 | 98.57 mm2 |
Maximum case temperature (TCase) | 72 °C | no data |
64 bit support | + | + |
Windows 11 compatibility | + | - |
Unlocked multiplier | No | No |
Compatibility
Information on Core i5-8400T 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 configuration | 1 (Uniprocessor) | 1 (Uniprocessor) |
Socket | 1151 | LGA-1151 |
Power consumption (TDP) | 35 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-8400T and Celeron G3900T. You'll probably need this information if you require some particular technology.
AES-NI | + | + |
AVX | + | + |
Enhanced SpeedStep (EIST) | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i5-8400T and Celeron G3900T are enumerated here.
VT-d | + | + |
VT-x | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i5-8400T and Celeron G3900T. Depending on the motherboard, higher memory frequencies may be supported.
Supported memory types | DDR4 Dual-channel | DDR3L-1600 |
Maximum memory size | 64 GB | 64 GB |
Max memory channels | 2 | 2 |
Maximum memory bandwidth | 42.671 GB/s | 34.134 GB/s |
ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
Integrated graphics card Compare | Intel UHD Graphics 630 | Intel HD Graphics 510 |
Peripherals
Specifications and connection of peripherals supported by Core i5-8400T and Celeron G3900T.
PCIe version | 3.0 | 3.0 |
PCI Express lanes | 16 | 16 |
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.
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.
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.
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.
Pros & cons summary
Performance score | 4.80 | 1.31 |
Integrated graphics card | 3.09 | 1.37 |
Recency | 2 April 2018 | 19 October 2015 |
Physical cores | 6 | 2 |
Threads | 6 | 2 |
i5-8400T has a 266.4% higher aggregate performance score, 125.5% faster integrated GPU, an age advantage of 2 years, and 200% more physical cores and 200% more threads.
The Core i5-8400T is our recommended choice as it beats the Celeron G3900T in performance tests.
Note that Core i5-8400T is a desktop processor while Celeron G3900T is a notebook one.
Should you still have questions on choice between Core i5-8400T and Celeron G3900T, ask them in Comments section, and we shall answer.
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