Celeron 5205U vs 3865U

Place in the ranking	2580	2531
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	Intel Comet Lake
Power efficiency	5.24	5.68
Architecture codename	Kaby Lake-U (2017)	Comet Lake-U (2019−2020)
Release date	3 January 2017 (7 years ago)	31 October 2019 (5 years ago)
Launch price (MSRP)	$107	$107

Detailed specifications

Celeron 3865U and Celeron 5205U 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)	2 (Dual-core)
Threads	2	2
Base clock speed	1.8 GHz	1.9 GHz
Boost clock speed	1.8 GHz	1.9 GHz
Bus type	OPI	no data
Bus rate	4 GT/s	4 GT/s
Multiplier	22	no data
L1 cache	64K (per core)	256 KB
L2 cache	256K (per core)	1 MB
L3 cache	2 MB (shared)	2 MB
Chip lithography	14 nm	14 nm
Die size	98.7 mm²	no data
Maximum core temperature	100 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Celeron 3865U and Celeron 5205U 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	FCBGA1356,FPBGA1356	FCBGA1528
Power consumption (TDP)	15 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 3865U and Celeron 5205U. You'll probably need this information if you require some particular technology.

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

Security technologies

Celeron 3865U and Celeron 5205U 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 Celeron 3865U and Celeron 5205U 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 Celeron 5205U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR3, DDR4
Maximum memory size	32 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	34.134 GB/s	37.5 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 610	Intel UHD Graphics for 10th Gen Intel Processors
Max video memory	32 GB	32 GB
Quick Sync Video	+	+
Clear Video	+	+
Clear Video HD	+	+
Graphics max frequency	900 MHz	900 MHz

Graphics interfaces

Available interfaces and connections of Celeron 3865U and Celeron 5205U integrated GPUs.

Number of displays supported	3	3
eDP	+	+
DisplayPort	+	+
HDMI	+	+
DVI	+	+

Graphics image quality

Maximum display resolutions supported by Celeron 3865U and Celeron 5205U integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	+
Max resolution over HDMI 1.4	4096x2304@24Hz	4096x2304@24Hz
Max resolution over eDP	4096x2304@60Hz	4096x2304@60Hz
Max resolution over DisplayPort	4096x2304@60Hz	4096x2304@60Hz

Graphics API support

APIs supported by Celeron 3865U and Celeron 5205U integrated GPUs, sometimes API versions are included.

DirectX	12	12
OpenGL	4.4	4.5

Peripherals

Specifications and connection of peripherals supported by Celeron 3865U and Celeron 5205U.

PCIe version	2.0	2.0
PCI Express lanes	10	12

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

Celeron 5205U 0.90
+8.4%

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

Celeron 5205U 1430
+8.3%

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.

Celeron 3865U 393
+2.9%

Celeron 5205U 382

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.

Celeron 3865U 692
+3.9%

Celeron 5205U 666