i5-10400 vs i3-9300T

Place in the ranking	1452	959
Place by popularity	not in top-100	87
Cost-effectiveness evaluation	7.53	no data
Market segment	Desktop processor	Desktop processor
Series	Intel Core i3	no data
Power efficiency	10.40	11.10
Architecture codename	Coffee Lake (2017−2019)	Comet Lake (2020)
Release date	23 April 2019 (5 years ago)	30 April 2020 (4 years ago)
Launch price (MSRP)	$143	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i3-9300T and Core i5-10400 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	4 (Quad-Core)	6 (Hexa-Core)
Threads	4	12
Base clock speed	3.2 GHz	2.9 GHz
Boost clock speed	3.8 GHz	4.3 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	8 GT/s
Multiplier	32	no data
L1 cache	256 KB	64K (per core)
L2 cache	1 MB	256K (per core)
L3 cache	8 MB	12 MB (shared)
Chip lithography	14 nm	14 nm
Die size	126 mm²	no data
Maximum core temperature	82 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Core i3-9300T and Core i5-10400 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
Socket	FCLGA1151	FCLGA1200
Power consumption (TDP)	35 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-9300T and Core i5-10400. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	-	+
Idle States	+	+
Thermal Monitoring	+	+
Turbo Boost Max 3.0	no data	-

Security technologies

Core i3-9300T and Core i5-10400 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Secure Key	+	+
MPX	+	-
Identity Protection	+	+
SGX	Yes with Intel® ME	Yes with Intel® ME
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i3-9300T and Core i5-10400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i3-9300T and Core i5-10400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400	DDR4-2666
Maximum memory size	64 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	38.397 GB/s	41.6 GB/s
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics 630	Intel UHD Graphics 630
Max video memory	64 GB	64 GB
Quick Sync Video	+	+
Clear Video	+	+
Clear Video HD	+	+
Graphics max frequency	1.1 GHz	1.1 GHz
InTru 3D	+	+

Graphics interfaces

Available interfaces and connections of Core i3-9300T and Core i5-10400 integrated GPUs.

Number of displays supported

Graphics image quality

Maximum display resolutions supported by Core i3-9300T and Core i5-10400 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	+
Max resolution over HDMI 1.4	4096 x 2304@24Hz	4096 x 2160@30Hz
Max resolution over eDP	4096 x 2304@60Hz	4096 x 2304@60Hz
Max resolution over DisplayPort	4096 x 2304@60Hz	4096 x 2304@60Hz

Graphics API support

APIs supported by Core i3-9300T and Core i5-10400 integrated GPUs, sometimes API versions are included.

DirectX	12	12
OpenGL	4.5	4.5

Peripherals

Specifications and connection of peripherals supported by Core i3-9300T and Core i5-10400.

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.

i3-9300T 3.92

i5-10400 7.77
+98.2%

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.

i3-9300T 6108

i5-10400 12114
+98.3%

Gaming performance

Pros & cons summary

Performance score	3.92	7.77
Recency	23 April 2019	30 April 2020
Physical cores	4	6
Threads	4	12
Power consumption (TDP)	35 Watt	65 Watt

i3-9300T has 85.7% lower power consumption.

i5-10400, on the other hand, has a 98.2% higher aggregate performance score, an age advantage of 1 year, and 50% more physical cores and 200% more threads.

The Core i5-10400 is our recommended choice as it beats the Core i3-9300T in performance tests.

Should you still have questions on choice between Core i3-9300T and Core i5-10400, ask them in Comments section, and we shall answer.