Pentium 3805U vs Xeon X5677

VS

Aggregate performance score

Xeon X5677
2010
4 cores / 8 threads, 130 Watt
3.18
+330%
Pentium 3805U
2015
2 cores / 2 threads, 15 Watt
0.74

Xeon X5677 outperforms Pentium 3805U by a whopping 330% based on our aggregate benchmark results.

Primary details

Comparing Xeon X5677 and Pentium 3805U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking16172677
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.16no data
Market segmentServerLaptop
Seriesno dataIntel Pentium
Power efficiency2.314.67
Architecture codenameWestmere-EP (2010−2011)Broadwell-U (2015)
Release date16 March 2010 (14 years ago)1 March 2015 (9 years ago)
Launch price (MSRP)$350$161

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon X5677 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)
Threads82
Base clock speed3.46 GHz1.9 GHz
Boost clock speed3.73 GHz1.9 GHz
Bus rateno data5 GT/s
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)256K (per core)
L3 cache12 MB (shared)2 MB (shared)
Chip lithography32 nm14 nm
Die size239 mm282 mm2
Maximum core temperature80 °C105 °C
Maximum case temperature (TCase)no data105 °C
Number of transistors1,170 million1300 Million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Xeon X5677 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
SocketFCLGA1366,LGA1366FCBGA1168
Power consumption (TDP)130 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon X5677 and Pentium 3805U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2Intel® SSE4.1, Intel® SSE4.2
AES-NI+-
Enhanced SpeedStep (EIST)++
Turbo Boost Technology1.0-
Hyper-Threading Technology+-
Idle States++
Thermal Monitoring-+
Flex Memory Accessno data+
Smart Responseno data-
Demand Based Switching+no data
PAE40 Bitno data
FDIno data+
Fast Memory Accessno data+

Security technologies

Xeon X5677 and Pentium 3805U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon X5677 and Pentium 3805U are enumerated here.

AMD-V-+
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon X5677 and Pentium 3805U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size288 GB16 GB
Max memory channels32
Maximum memory bandwidth32 GB/s25.6 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel 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 Xeon X5677 and Pentium 3805U integrated GPUs.

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

Graphics API support

APIs supported by Xeon X5677 and Pentium 3805U integrated GPUs, sometimes API versions are included.

DirectXno data11.2/12

Peripherals

Specifications and connection of peripherals supported by Xeon X5677 and Pentium 3805U.

PCIe version2.02.0
PCI Express lanesno data12

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Xeon X5677 3.18
+330%
Pentium 3805U 0.74

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Xeon X5677 5053
+329%
Pentium 3805U 1178

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Xeon X5677 510
+66.1%
Pentium 3805U 307

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Xeon X5677 2118
+263%
Pentium 3805U 584

Gaming performance

Pros & cons summary


Performance score 3.18 0.74
Recency 16 March 2010 1 March 2015
Physical cores 4 2
Threads 8 2
Chip lithography 32 nm 14 nm
Power consumption (TDP) 130 Watt 15 Watt

Xeon X5677 has a 329.7% higher aggregate performance score, and 100% more physical cores and 300% more threads.

Pentium 3805U, on the other hand, has an age advantage of 4 years, a 128.6% more advanced lithography process, and 766.7% lower power consumption.

The Xeon X5677 is our recommended choice as it beats the Pentium 3805U in performance tests.

Be aware that Xeon X5677 is a server/workstation processor while Pentium 3805U is a notebook one.


Should you still have questions on choice between Xeon X5677 and Pentium 3805U, ask them in Comments section, and we shall answer.

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Intel Xeon X5677
Xeon X5677
Intel Pentium 3805U
Pentium 3805U

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Community ratings

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Questions & comments

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