Intel Xeon E7-4850: specs and benchmarks

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Intel Xeon E7-4850
Intel Xeon E7-4850
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Year of release 2011


Intel started Intel Xeon E7-4850 sales 5 April 2011 at a recommended price of $2,837. This is Westmere EX architecture desktop processor primarily aimed at professional systems. It has 10 cores and 20 threads, and is based on 32 nm manufacturing technology, with a maximum frequency of 2400 MHz and a locked multiplier.

Compatibility-wise, this is LGA1567 processor with a TDP of 130 Watt and a maximum temperature of °C. It supports DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066 memory.

We have no data on Xeon E7-4850 benchmark results.

General info

Of Xeon E7-4850 processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in performance ratingnot rated
Market segmentServer
SeriesIntel Xeon E7
Architecture codenameWestmere EX
Release date5 April 2011 (10 years ago)
Launch price (MSRP)$2,837of 305 (Core i7-870)
Price now$1115 (0.4x MSRP)of 14999 (Xeon Platinum 9282)

Technical specs

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores10 (Deca-Core)
Base clock speed2 GHzof 4.7 (FX-9590)
Boost clock speed2.4 GHzof 5.3 (Core i9-10900KF)
Bus support6.4 GT/s
L1 cache640 KBof 896 (Atom C3950)
L2 cache2.56 MBof 12 (Core 2 Quad Q9550)
L3 cache24 MBof 32 (Ryzen Threadripper 1998)
Chip lithography32 nmof 5 (Apple M1)
Die size513 mm2
Maximum core temperature69 °Cof 110 (Atom x7-E3950)
Number of transistors2600 Millionof 16000 (Apple M1)
64 bit support+
Windows 11 compatibility-
Unlocked multiplier-


Information on Xeon E7-4850 compatibility with other computer components and devices: 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 configuration4of 8 (Opteron 842)
Thermal design power (TDP)130 Wattof 400 (Xeon Platinum 9282)

Technologies and extensions

Technological capabilities and additional instructions supported by Xeon E7-4850. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2
Enhanced SpeedStep (EIST)+
Turbo Boost Technology1.0
Hyper-Threading Technology+
Thermal Monitoring+

Security technologies

Processor technologies aimed at improving security, for example, by protecting against hacks.


Virtualization technologies

Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.


Memory specs

Types, maximum amount and channel number of RAM supported by Xeon E7-4850's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory typesDDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066of 4266 (Ryzen 9 4900H)
Maximum memory size2 TBof 786 (Xeon E5-2670 v3)
Max memory channels4of 12 (Xeon Platinum 9221)
Maximum memory bandwidth34.113 GB/sof 281.6 (Xeon Platinum 9221)
ECC memory support+

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Intel Xeon E7-4850
Intel Xeon E7-4850

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