Xeon E7-2870 v2 vs Pentium 4 HT 651

Primary details

Comparing Pentium 4 HT 651 and Xeon E7-2870 v2 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorServer
Architecture codenameCedar Mill (2006)no data
Release dateJanuary 2006 (18 years ago)1 January 2014 (10 years ago)

Detailed specifications

Pentium 4 HT 651 and Xeon E7-2870 v2 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 cores1 (Single-Core)15 (Pentadeca-Core)
Threads230
Base clock speedno data2.3 GHz
Boost clock speed3.4 GHz2.9 GHz
Bus rateno data8 GT/s
L1 cache28 KBno data
L2 cache2 MBno data
L3 cache0 KB30 MB
Chip lithography65 nm22 nm
Die size81 mm2no data
Maximum core temperatureno data73 °C
Number of transistors188 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Pentium 4 HT 651 and Xeon E7-2870 v2 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 configuration12
Socket775FCLGA2011
Power consumption (TDP)86 Watt130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 4 HT 651 and Xeon E7-2870 v2. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® AVX
AES-NI-+
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
Idle Statesno data+
Thermal Monitoring-+
PAEno data46 Bit

Security technologies

Pentium 4 HT 651 and Xeon E7-2870 v2 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 4 HT 651 and Xeon E7-2870 v2 are enumerated here.

VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 4 HT 651 and Xeon E7-2870 v2. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3-1066, DDR3-1333, DDR3-1600
Maximum memory sizeno data1.5 TB
Max memory channelsno data4
Maximum memory bandwidthno data85 GB/s
ECC memory support-+

Peripherals

Specifications and connection of peripherals supported by Pentium 4 HT 651 and Xeon E7-2870 v2.

PCIe versionno data3.0
PCI Express lanesno data32

Pros & cons summary


Physical cores 1 15
Threads 2 30
Chip lithography 65 nm 22 nm
Power consumption (TDP) 86 Watt 130 Watt

Pentium 4 HT 651 has 51.2% lower power consumption.

Xeon E7-2870 v2, on the other hand, has 1400% more physical cores and 1400% more threads, and a 195.5% more advanced lithography process.

We couldn't decide between Pentium 4 HT 651 and Xeon E7-2870 v2. We've got no test results to judge.

Note that Pentium 4 HT 651 is a desktop processor while Xeon E7-2870 v2 is a server/workstation one.


Should you still have questions on choice between Pentium 4 HT 651 and Xeon E7-2870 v2, ask them in Comments section, and we shall answer.

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Intel Pentium 4 HT 651
Pentium 4 HT 651
Intel Xeon E7-2870 v2
Xeon E7-2870 v2

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