Pentium 3805U vs Core 2 Extreme QX9775

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Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated2884
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data0.04
Market segmentDesktop processorLaptop
Seriesno dataIntel Pentium
Power efficiencyno data1.92
DesignerIntelIntel
ManufacturerIntelIntel
Architecture codenameYorkfield (2007−2009)Broadwell-U (2015)
Release date24 March 2008 (17 years ago)1 March 2015 (10 years ago)
Launch price (MSRP)$1,499$161

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Performance to price scatter graph

Detailed specifications

Core 2 Extreme QX9775 and Pentium 3805U 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 cores4 (Quad-Core)2 (Dual-core)
Threads42
Base clock speed3.2 GHz1.9 GHz
Boost clock speed3.2 GHz1.9 GHz
Bus rate1600 MHz5 GT/s
L1 cache64 KB (per core)64K (per core)
L2 cache6 MB (per die)256K (per core)
L3 cache0 KB2 MB (shared)
Chip lithography45 nm14 nm
Die size2x 107 mm282 mm2
Maximum core temperatureno data105 °C
Maximum case temperature (TCase)63 °C105 °C
Number of transistors820 million1300 Million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-
VID voltage range0.85V-1.35Vno data

Compatibility

Information on Core 2 Extreme QX9775 and Pentium 3805U 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 configuration21
SocketLGA771FCBGA1168
Power consumption (TDP)150 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX9775 and Pentium 3805U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2
Enhanced SpeedStep (EIST)++
Turbo Boost Technology--
Hyper-Threading Technology--
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
Smart Responseno data-
Demand Based Switching-no data
FDIno data+
Fast Memory Accessno data+
FSB parity-no data

Security technologies

Core 2 Extreme QX9775 and Pentium 3805U technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Identity Protection-+
OS Guardno data-

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme QX9775 and Pentium 3805U are enumerated here.

AMD-V-+
VT-dno data+
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX9775 and Pentium 3805U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR2DDR3
Maximum memory sizeno data16 GB
Max memory channelsno data2
Maximum memory bandwidthno data25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel HD Graphics for 5th Generation Intel Processors
Quick Sync Video-+
Clear Videono data+
Graphics max frequencyno data800 MHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core 2 Extreme QX9775 and Pentium 3805U integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+

Graphics API support

APIs supported by Core 2 Extreme QX9775 and Pentium 3805U integrated GPUs, sometimes API versions are included.

DirectXno data11.2/12

Peripherals

Specifications and connection of peripherals supported by Core 2 Extreme QX9775 and Pentium 3805U.

PCIe version1.02.0
PCI Express lanesno data12

Pros & cons summary


Recency 24 March 2008 1 March 2015
Physical cores 4 2
Threads 4 2
Chip lithography 45 nm 14 nm
Power consumption (TDP) 150 Watt 15 Watt

Core 2 Extreme QX9775 has 100% more physical cores and 100% more threads.

Pentium 3805U, on the other hand, has an age advantage of 6 years, a 221.4% more advanced lithography process, and 900% lower power consumption.

We couldn't decide between Intel Core 2 Extreme QX9775 and Intel Pentium 3805U. We've got no test results to judge.

Note that Core 2 Extreme QX9775 is a desktop processor while Pentium 3805U is a notebook one.

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Intel Core 2 Extreme QX9775
Core 2 Extreme QX9775
Intel Pentium 3805U
Pentium 3805U

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Community ratings

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3.7 56 votes

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3.6 27 votes

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