Celeron N4000 vs Pentium 3805U

Place in the ranking	2655	2505
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Pentium	Intel Celeron
Power efficiency	4.68	14.59
Architecture codename	Broadwell-U (2015)	Goldmont Plus (2017)
Release date	1 March 2015 (9 years ago)	11 December 2017 (6 years ago)
Launch price (MSRP)	$161	$107

Detailed specifications

Pentium 3805U and Celeron N4000 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	1.9 GHz	1.1 GHz
Boost clock speed	1.9 GHz	2.6 GHz
Bus rate	5 GT/s	no data
Multiplier	no data	11
L1 cache	64K (per core)	112 KB
L2 cache	256K (per core)	4 MB
L3 cache	2 MB (shared)	4 MB
Chip lithography	14 nm	14 nm
Die size	82 mm²	no data
Maximum core temperature	105 °C	105 deg C
Maximum case temperature (TCase)	105 °C	no data
Number of transistors	1300 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Pentium 3805U and Celeron N4000 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 (Uniprocessor)
Socket	FCBGA1168	FCBGA1090
Power consumption (TDP)	15 Watt	6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 3805U and Celeron N4000. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.2
AES-NI	-	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	-
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Smart Response	-	-
GPIO	no data	+
Turbo Boost Max 3.0	no data	-
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Pentium 3805U and Celeron N4000 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 3805U and Celeron N4000 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 3805U and Celeron N4000. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	16 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	38.397 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 5th Generation Intel® Processors	Intel UHD Graphics 600
Max video memory	no data	8 GB
Quick Sync Video	+	+
Clear Video	+	no data
Graphics max frequency	800 MHz	650 MHz
Execution Units	no data	12
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Pentium 3805U and Celeron N4000 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Pentium 3805U and Celeron N4000 integrated GPUs, including resolutions over different interfaces.

4K resolution support

no data

Graphics API support

APIs supported by Pentium 3805U and Celeron N4000 integrated GPUs, sometimes API versions are included.

DirectX	11.2/12	12
OpenGL	no data	4.4

Peripherals

Specifications and connection of peripherals supported by Pentium 3805U and Celeron N4000.

PCIe version	2.0	2.0
PCI Express lanes	12	6
USB revision	no data	2.0/3.0
Total number of SATA ports	no data	2
Max number of SATA 6 Gb/s Ports	no data	2
Number of USB ports	no data	8
Integrated LAN	no data	-
UART	no data	+

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.

Pentium 3805U 0.77

Celeron N4000 0.96
+24.7%

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.

Pentium 3805U 1180

Celeron N4000 1472
+24.7%

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.

Pentium 3805U 312

Celeron N4000 324
+3.8%

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.

Pentium 3805U 592
+12.1%

Celeron N4000 528

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Pentium 3805U 2
+7.3%

Celeron N4000 2