i5-10400 vs Atom Z3740

Place in the ranking	3005	961
Place by popularity	not in top-100	87
Market segment	Laptop	Desktop processor
Power efficiency	18.45	11.11
Architecture codename	Bay Trail-T (2013−2014)	Comet Lake (2020)
Release date	27 September 2013 (11 years ago)	30 April 2020 (4 years ago)
Launch price (MSRP)	$32	no data

Detailed specifications

Atom Z3740 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	1.33 GHz	2.9 GHz
Boost clock speed	1.86 GHz	4.3 GHz
Bus rate	no data	8 GT/s
L1 cache	64K (per core)	64K (per core)
L2 cache	512K (per core)	256K (per core)
L3 cache	0 KB	12 MB (shared)
Chip lithography	22 nm	14 nm
Maximum core temperature	90 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Atom Z3740 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	1
Socket	UTFCBGA1380	FCLGA1200
Power consumption (TDP)	2 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z3740 and Core i5-10400. You'll probably need this information if you require some particular technology.

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

Security technologies

Atom Z3740 and Core i5-10400 technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
Secure Key	+	+
Identity Protection	+	+
SGX	no data	Yes with Intel® ME
OS Guard	no data	+
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z3740 and Core i5-10400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z3740 and Core i5-10400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-2666
Maximum memory size	4 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	17.1 GB/s	41.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics for Intel Atom Processor Z3700 Series	Intel UHD Graphics 630
Max video memory	no data	64 GB
Quick Sync Video	+	+
Clear Video	no data	+
Clear Video HD	+	+
Graphics max frequency	667 MHz	1.1 GHz
InTru 3D	no data	+

Graphics interfaces

Available interfaces and connections of Atom Z3740 and Core i5-10400 integrated GPUs.

Number of displays supported

no data

Graphics image quality

Maximum display resolutions supported by Atom Z3740 and Core i5-10400 integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096 x 2160@30Hz
Max resolution over eDP	no data	4096 x 2304@60Hz
Max resolution over DisplayPort	no data	4096 x 2304@60Hz

Graphics API support

APIs supported by Atom Z3740 and Core i5-10400 integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Atom Z3740 and Core i5-10400.

PCIe version	no data	3.0
PCI Express lanes	no data	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.

Atom Z3740 0.39

i5-10400 7.63
+1856%

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.

Atom Z3740 621

i5-10400 12119
+1852%

Gaming performance

Pros & cons summary

Performance score	0.39	7.63
Integrated graphics card	0.77	3.09
Recency	27 September 2013	30 April 2020
Physical cores	4	6
Threads	4	12
Chip lithography	22 nm	14 nm
Power consumption (TDP)	2 Watt	65 Watt

Atom Z3740 has 3150% lower power consumption.

i5-10400, on the other hand, has a 1856.4% higher aggregate performance score, 301.3% faster integrated GPU, an age advantage of 6 years, 50% more physical cores and 200% more threads, and a 57.1% more advanced lithography process.

The Core i5-10400 is our recommended choice as it beats the Atom Z3740 in performance tests.

Be aware that Atom Z3740 is a notebook processor while Core i5-10400 is a desktop one.

Should you still have questions on choice between Atom Z3740 and Core i5-10400, ask them in Comments section, and we shall answer.