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Overview

The Pentium 3805U is manufactured by Intel. It was released in 1 March 2015 (10 years ago). It is based on the Broadwell-U (2015) architecture. It features 2 cores and 2 threads. Base frequency is 1.9 GHz, with boost up to 1.9 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 1,196 points. Launch price was $161.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Pentium 3805U is positioned at rank #344 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Pentium 3805U

#101

Core i5-1350P

MSRP: $320|Avg: $250

98%

#102

Core i3-1220P

MSRP: $250|Avg: $150

97%

#332

Atom x5-Z8300

MSRP: $20|Avg: N/A

491%

#333

Atom Z3735G

MSRP: $17|Avg: N/A

483%

#334

Core i5-480M

MSRP: $81|Avg: $77

444%

#335

Core i5-460M

MSRP: $80|Avg: $129

442%

#336

Core i5-2540M

MSRP: $266|Avg: $10

438%

#338

Core i5-450M

MSRP: $32|Avg: $31

423%

#339

Core i3-380M

MSRP: $49|Avg: $25

405%

#340

Core i5-430M

MSRP: N/A|Avg: $33

405%

#341

Core 2 Duo T6600

MSRP: N/A|Avg: $4

394%

#344

Pentium 3805U

MSRP: N/A|Avg: N/A

100%

Based on actual market prices and performance synthetic scores.

FPS Benchmarks

Predicted performance for Pentium 3805U across popular games. Tested paired with RTX 4090 to isolate CPU performance.

Technical Analysis

Detailed breakdown of Pentium 3805U specifications and capabilities.

⚡

Processing Power

The Pentium 3805U is a 2-core / 2-thread processor based on the Broadwell-U (2015) architecture, manufactured on a 14 nm process node. It reaches a maximum boost clock of 1.9 GHz from a base frequency of 1.9 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 2 MB (total) of L3 cache, plus 256K (per core) of L2 cache and 64K (per core) of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 1,196, placing it in the Entry Level performance tier as a Legacy generation product.

Specification	Pentium 3805U
Cores / ThreadsPhysical/logical processing units	2C / 2T
Max Boost ClockPeak single-core speed under boost	1.9 GHz
Base ClockGuaranteed minimum operating frequency	1.9 GHz
ArchitectureCPU microarchitecture design	Broadwell-U (2015)
Process NodeFabrication technology — smaller = more efficient	14 nm
L3 CacheShared cache — reduces memory latency for all cores	2 MB (total)
L2 CachePer-core fast cache for frequently accessed data	256K (per core)
L1 CacheUltra-fast per-core cache	64K (per core)
Die SizePhysical silicon area of the processor	82 mm2
Transistor CountMore transistors = more capabilities	1300 Million
Bus SpeedData bus frequency	5 GT/s
Max TemperatureMaximum safe operating temperature (Tjmax)	105 °C
64-bit Support	Yes
Windows 11 Compatible	No
PassMark ScoreOverall multi-threaded benchmark score	1,196

🧠

Memory & Platform

The Pentium 3805U fits into the FCBGA1168 socket and supports PCIe 3.0 with 12 total PCIe lanes for expansion cards and storage. It supports DDR3 memory at speeds up to DDR3L-1600 (faster RAM improves bandwidth-sensitive workloads), with a maximum capacity of 16 GB across 2 channels (dual-channel doubles bandwidth). Integrated graphics: HD Graphics (Broadwell) — allows display output without a dedicated GPU, useful for troubleshooting and light tasks.

Specification	Pentium 3805U
TypeDesktop or Laptop processor	Laptop
SeriesProduct family	Intel Pentium
SocketMotherboard socket required	FCBGA1168
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidth	PCIe 3.0
PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion	12
RAM TypeSupported memory standard	DDR3
Max RAM SpeedMaximum officially supported memory frequency	DDR3L-1600
Max RAM CapacityMaximum installable memory	16 GB
RAM ChannelsDual-channel doubles bandwidth vs single-channel	2
ECC SupportError-Correcting Code memory — prevents data corruption	No
Integrated GPUBuilt-in graphics processor	HD Graphics (Broadwell)
Max CPUs in ConfigMulti-socket support for servers	1

🔧

Advanced Features

The Pentium 3805U is primarily designed for Mobile. Virtualization: VT-x, VT-d — enables running virtual machines efficiently (important for development and server workloads).

Specification	Pentium 3805U
Primary Use CaseIntended workload category	Mobile
OverclockingWhether CPU clock can be manually increased	🔒 Locked
AVX-512Advanced vector instructions for AI/ML workloads	❌ Not Supported
VirtualizationHardware-assisted virtualization technology	VT-x, VT-d

🌡️

Power & Cooling

The Pentium 3805U has a rated TDP (Thermal Design Power) of 15 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed.

Specification	Pentium 3805U
TDPThermal Design Power — heat output under sustained workload	15 Watt
Max TemperatureMaximum safe junction temperature (Tjmax)	105 °C

💰

Value Analysis

It currently holds Rank #344 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #2950 out of all indexed processors.

Specification	Pentium 3805U
Launch PriceOriginal retail price at launch	$161
Cost-Benefit RankPosition in overall value ranking	#344
Performance RankPosition in overall performance ranking	#2950
Release DateLaunch date	1 March 2015 (10 years ago)
Release Year	2015
DesignerArchitecture designer (e.g. Intel, AMD)	Intel
ManufacturerFabrication foundry (e.g. TSMC)	Intel