Pentium Gold 6405U vs Xeon E5440

Aggregate performance score

Xeon E5440
2008
80 Watt
1.55
Pentium Gold 6405U
2019
2 cores / 4 threads, 15 Watt
1.80
+16.1%

Pentium Gold 6405U outperforms Xeon E5440 by a moderate 16% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5440 and Pentium Gold 6405U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21392024
Place by popularitynot in top-100not in top-100
Market segmentServerLaptop
Seriesno dataIntel Comet Lake
Power efficiency1.7710.94
Architecture codenameno dataComet Lake-U (2019−2020)
Release date1 January 2008 (16 years ago)31 October 2019 (5 years ago)
Launch price (MSRP)no data$161

Detailed specifications

Xeon E5440 and Pentium Gold 6405U 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 coresno data2 (Dual-core)
Threadsno data4
Base clock speed2.83 GHz2.4 GHz
Boost clock speedno data2.4 GHz
Bus rateno data4 GT/s
L1 cacheno data256 KB
L2 cacheno data1 MB
L3 cache12 MB L2 Cache2 MB
Chip lithography45 nm14 nm
Maximum core temperature67 °C100 °C
64 bit support++
Windows 11 compatibility-+
VID voltage range0.85V-1.35Vno data

Compatibility

Information on Xeon E5440 and Pentium Gold 6405U 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 configurationno data1
SocketLGA771FCBGA1528
Power consumption (TDP)80 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5440 and Pentium Gold 6405U. 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+
Turbo Boost Technology--
Hyper-Threading Technology-+
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
Demand Based Switching+no data
FSB parity+no data

Security technologies

Xeon E5440 and Pentium Gold 6405U 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 Xeon E5440 and Pentium Gold 6405U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5440 and Pentium Gold 6405U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4
Maximum memory sizeno data64 GB
Max memory channelsno data2
Maximum memory bandwidthno data37.5 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel® UHD Graphics for 10th Gen 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 Xeon E5440 and Pentium Gold 6405U integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Xeon E5440 and Pentium Gold 6405U 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 Xeon E5440 and Pentium Gold 6405U integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Xeon E5440 and Pentium Gold 6405U.

PCIe versionno data2.0
PCI Express lanesno data12

Gaming performance

Pros & cons summary


Performance score 1.55 1.80
Recency 1 January 2008 31 October 2019
Chip lithography 45 nm 14 nm
Power consumption (TDP) 80 Watt 15 Watt

Pentium Gold 6405U has a 16.1% higher aggregate performance score, an age advantage of 11 years, a 221.4% more advanced lithography process, and 433.3% lower power consumption.

The Pentium Gold 6405U is our recommended choice as it beats the Xeon E5440 in performance tests.

Be aware that Xeon E5440 is a server/workstation processor while Pentium Gold 6405U is a notebook one.


Should you still have questions on choice between Xeon E5440 and Pentium Gold 6405U, ask them in Comments section, and we shall answer.

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Intel Xeon E5440
Xeon E5440
Intel Pentium Gold 6405U
Pentium Gold 6405U

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