Pentium Gold 6405U vs Xeon E5-2676 V3

VS

Aggregate performance score

Xeon E5-2676 V3
2015
12 cores / 24 threads, 120 Watt
8.56
+395%
Pentium Gold 6405U
2019
2 cores / 4 threads, 15 Watt
1.73

Xeon E5-2676 V3 outperforms Pentium Gold 6405U by a whopping 395% based on our aggregate benchmark results.

Primary details

Comparing Xeon E5-2676 V3 and Pentium Gold 6405U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking8822030
Place by popularitynot in top-100not in top-100
Market segmentServerLaptop
Seriesno dataIntel Comet Lake
Power efficiency6.7510.91
Architecture codenameHaswell-EP (2014−2015)Comet Lake-U (2019−2020)
Release dateJune 2015 (9 years ago)31 October 2019 (5 years ago)
Launch price (MSRP)no data$161

Detailed specifications

Xeon E5-2676 V3 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 cores12 (Dodeca-Core)2 (Dual-core)
Threads244
Base clock speed2.4 GHz2.4 GHz
Boost clock speed3 GHz2.4 GHz
Bus rateno data4 GT/s
L1 cache64K (per core)256 KB
L2 cache256K (per core)1 MB
L3 cache30 MB (shared)2 MB
Chip lithography22 nm14 nm
Die size356 mm2no data
Maximum core temperatureno data100 °C
Number of transistors2,600 millionno data
64 bit support++
Windows 11 compatibilityno data+

Compatibility

Information on Xeon E5-2676 V3 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 configuration21
Socket2011-3FCBGA1528
Power consumption (TDP)120 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-2676 V3 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++
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data+
TSX+-
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+

Security technologies

Xeon E5-2676 V3 and Pentium Gold 6405U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-2676 V3 and Pentium Gold 6405U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5-2676 V3 and Pentium Gold 6405U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4 2133 MHz Quad-channelDDR4
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 E5-2676 V3 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 E5-2676 V3 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 E5-2676 V3 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 E5-2676 V3 and Pentium Gold 6405U.

PCIe version3.02.0
PCI Express lanes4012

Gaming performance

Pros & cons summary


Performance score 8.56 1.73
Physical cores 12 2
Threads 24 4
Chip lithography 22 nm 14 nm
Power consumption (TDP) 120 Watt 15 Watt

Xeon E5-2676 V3 has a 394.8% higher aggregate performance score, and 500% more physical cores and 500% more threads.

Pentium Gold 6405U, on the other hand, has a 57.1% more advanced lithography process, and 700% lower power consumption.

The Xeon E5-2676 V3 is our recommended choice as it beats the Pentium Gold 6405U in performance tests.

Be aware that Xeon E5-2676 V3 is a server/workstation processor while Pentium Gold 6405U is a notebook one.


Should you still have questions on choice between Xeon E5-2676 V3 and Pentium Gold 6405U, ask them in Comments section, and we shall answer.

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Intel Xeon E5-2676 V3
Xeon E5-2676 V3
Intel Pentium Gold 6405U
Pentium Gold 6405U

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