Pentium Gold 5405U vs Core 2 Extreme QX9775

VS

Primary details

Comparing Core 2 Extreme QX9775 and Pentium Gold 5405U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated2166
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Pentium, Pentium Gold
Power efficiencyno data9.33
Architecture codenameYorkfield (2007−2009)Whiskey Lake-U (2018−2019)
Release dateMarch 2008 (16 years ago)23 January 2019 (5 years ago)
Launch price (MSRP)no data$161

Detailed specifications

Core 2 Extreme QX9775 and Pentium Gold 5405U 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)
Threads44
Base clock speed3.2 GHz2.3 GHz
Boost clock speed3.2 GHz2.3 GHz
Bus typeno dataOPI
Bus rate1600 MHz4 GT/s
Multiplierno data23
L1 cache64K (per core)64 KB (per core)
L2 cache12 MB (shared)256 KB (per core)
L3 cache0 KB2 MB (shared)
Chip lithography45 nm14 nm
Die size2x 107 mm2no data
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)63 °Cno data
Number of transistors820 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier+-
VID voltage range0.85V-1.35Vno data

Compatibility

Information on Core 2 Extreme QX9775 and Pentium Gold 5405U 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 configuration11 (Uniprocessor)
SocketLGA771FCBGA1528
Power consumption (TDP)150 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX9775 and Pentium Gold 5405U. You'll probably need this information if you require some particular technology.

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

Security technologies

Core 2 Extreme QX9775 and Pentium Gold 5405U technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Secure Keyno data+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme QX9775 and Pentium Gold 5405U are enumerated here.

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 Gold 5405U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR2DDR3, DDR4
Maximum memory sizeno data64 GB
Max memory channelsno data2
Maximum memory bandwidthno data38.397 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics for 8th Generation Intel Processors
Max video memoryno data32 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data950 MHz

Graphics interfaces

Available interfaces and connections of Core 2 Extreme QX9775 and Pentium Gold 5405U integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core 2 Extreme QX9775 and Pentium Gold 5405U integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@24Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz

Graphics API support

APIs supported by Core 2 Extreme QX9775 and Pentium Gold 5405U integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core 2 Extreme QX9775 and Pentium Gold 5405U.

PCIe versionno data2.0
PCI Express lanesno data12

Pros & cons summary


Physical cores 4 2
Chip lithography 45 nm 14 nm
Power consumption (TDP) 150 Watt 15 Watt

Core 2 Extreme QX9775 has 100% more physical cores.

Pentium Gold 5405U, on the other hand, has a 221.4% more advanced lithography process, and 900% lower power consumption.

We couldn't decide between Core 2 Extreme QX9775 and Pentium Gold 5405U. We've got no test results to judge.

Note that Core 2 Extreme QX9775 is a desktop processor while Pentium Gold 5405U is a notebook one.


Should you still have questions on choice between Core 2 Extreme QX9775 and Pentium Gold 5405U, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core 2 Extreme QX9775
Core 2 Extreme QX9775
Intel Pentium Gold 5405U
Pentium Gold 5405U

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.7 45 votes

Rate Core 2 Extreme QX9775 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.5 310 votes

Rate Pentium Gold 5405U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Extreme QX9775 or Pentium Gold 5405U, agree or disagree with our judgements, or report an error or mismatch.