Atom C3758 vs Celeron 3865U

Place in the ranking	2580	1657
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	1.52
Market segment	Laptop	Server
Series	Intel Celeron	Intel Atom
Power efficiency	5.24	10.98
Architecture codename	Kaby Lake-U (2017)	Goldmont (2016−2017)
Release date	3 January 2017 (7 years ago)	15 August 2017 (7 years ago)
Launch price (MSRP)	$107	$193

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Celeron 3865U and Atom C3758 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	2 (Dual-core)	8 (Octa-Core)
Threads	2	8
Base clock speed	1.8 GHz	2.2 GHz
Boost clock speed	1.8 GHz	2.2 GHz
Bus type	OPI	no data
Bus rate	4 GT/s	no data
Multiplier	22	22
L1 cache	64K (per core)	448 KB
L2 cache	256K (per core)	16 MB
L3 cache	2 MB (shared)	16 MB
Chip lithography	14 nm	14 nm
Die size	98.7 mm²	no data
Maximum core temperature	100 °C	82 °C
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron 3865U and Atom C3758 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	FCBGA1356,FPBGA1356	FCBGA1310
Power consumption (TDP)	15 Watt	25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 3865U and Atom C3758. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
AES-NI	+	+
AVX	+	-
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
QuickAssist	no data	+
Speed Shift	+	no data
My WiFi	+	no data
Turbo Boost Technology	-	-
Hyper-Threading Technology	+	-
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
Smart Response	+	no data

Security technologies

Celeron 3865U and Atom C3758 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	+
Secure Boot	no data	+
Secure Key	+	+
MPX	+	-
SGX	Yes with Intel® ME	-
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 3865U and Atom C3758 are enumerated here.

AMD-V	+	-
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 3865U and Atom C3758. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR4: 2400
Maximum memory size	32 GB	256 GB
Max memory channels	2	2
Maximum memory bandwidth	34.134 GB/s	34.134 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 610	no data
Max video memory	32 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	900 MHz	no data

Graphics interfaces

Available interfaces and connections of Celeron 3865U and Atom C3758 integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Celeron 3865U and Atom C3758 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@24Hz	no data
Max resolution over eDP	4096x2304@60Hz	no data
Max resolution over DisplayPort	4096x2304@60Hz	no data

Graphics API support

APIs supported by Celeron 3865U and Atom C3758 integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.4	no data

Peripherals

Specifications and connection of peripherals supported by Celeron 3865U and Atom C3758.

PCIe version	2.0	3
PCI Express lanes	10	16
USB revision	no data	3
Total number of SATA ports	no data	16
Max number of SATA 6 Gb/s Ports	no data	16
Number of USB ports	no data	8
Integrated LAN	no data	4x10/2.5/1 GBE

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.

Celeron 3865U 0.83

Atom C3758 2.90
+249%

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.

Celeron 3865U 1321

Atom C3758 4614
+249%

Gaming performance

Pros & cons summary

Performance score	0.83	2.90
Recency	3 January 2017	15 August 2017
Physical cores	2	8
Threads	2	8
Power consumption (TDP)	15 Watt	25 Watt

Celeron 3865U has 66.7% lower power consumption.

Atom C3758, on the other hand, has a 249.4% higher aggregate performance score, an age advantage of 7 months, and 300% more physical cores and 300% more threads.

The Atom C3758 is our recommended choice as it beats the Celeron 3865U in performance tests.

Be aware that Celeron 3865U is a notebook processor while Atom C3758 is a server/workstation one.

Should you still have questions on choice between Celeron 3865U and Atom C3758, ask them in Comments section, and we shall answer.