Pentium 2127U vs Pentium 3805U

Place in performance ranking	2627	2697
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Pentium	Intel Pentium
Architecture codename	Broadwell (2014−2019)	Ivy Bridge (2012−2013)
Release date	5 January 2015 (9 years ago)	1 July 2013 (11 years ago)
Launch price (MSRP)	$161	$134

Detailed specifications

Pentium 3805U and Pentium 2127U 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	1.9 GHz
Boost clock speed	1.9 GHz	1.9 GHz
Bus rate	5 GT/s	5 GT/s
L1 cache	128 KB	128 KB
L2 cache	512 KB	512 KB
L3 cache	2 MB	2 MB
Chip lithography	14 nm	22 nm
Die size	82 mm²	no data
Maximum core temperature	105 °C	105 °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 Pentium 2127U 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	FCBGA1168	FCBGA1023
Power consumption (TDP)	15 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 3805U and Pentium 2127U. 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
Enhanced SpeedStep (EIST)	+	+
My WiFi	no data	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	+
Smart Response	-	no data
Demand Based Switching	no data	-
FDI	+	+
Fast Memory Access	+	+
Status	Discontinued	Discontinued

Security technologies

Pentium 3805U and Pentium 2127U technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
Secure Key	+	no data
Identity Protection	+	-
OS Guard	-	no data
Anti-Theft	no data	-

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 3805U and Pentium 2127U 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 Pentium 2127U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	16 GB	32 GB
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 5th Generation Intel® Processors	Intel® HD Graphics for 3rd Generation Intel® Processors
Quick Sync Video	+	-
Clear Video	+	-
Clear Video HD	-	-
Graphics max frequency	800 MHz	1.1 GHz
InTru 3D	+	-

Graphics interfaces

Available interfaces and connections of Pentium 3805U and Pentium 2127U integrated GPUs.

Number of displays supported	3	3
eDP	+	+
DisplayPort	+	+
HDMI	+	+
SDVO	no data	+
CRT	no data	+

Graphics API support

APIs supported by Pentium 3805U and Pentium 2127U integrated GPUs, sometimes API versions are included.

DirectX

11.2/12

no data

Peripherals

Specifications and connection of peripherals supported by Pentium 3805U and Pentium 2127U.

PCIe version	2.0	2.0
PCI Express lanes	12	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.

Pentium 3805U 0.76
+10.1%

Pentium 2127U 0.69

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
+10.9%

Pentium 2127U 1064

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 302

Pentium 2127U 306
+1.3%

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 582
+9.4%

Pentium 2127U 532

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
+17.2%

Pentium 2127U 2

Gaming performance

Pros & cons summary

Performance score	0.76	0.69
Recency	5 January 2015	1 July 2013
Chip lithography	14 nm	22 nm
Power consumption (TDP)	15 Watt	17 Watt

Pentium 3805U has a 10.1% higher aggregate performance score, an age advantage of 1 year, a 57.1% more advanced lithography process, and 13.3% lower power consumption.

The Pentium 3805U is our recommended choice as it beats the Pentium 2127U in performance tests.

Should you still have questions on choice between Pentium 3805U and Pentium 2127U, ask them in Comments section, and we shall answer.