Atom x7405C vs Xeon E7-2850

Primary details

Comparing Xeon E7-2850 and Atom x7405C processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Series	Intel Xeon E7	no data
Architecture codename	Westmere (2010−2011)	Amston Lake
Release date	5 April 2011 (13 years ago)	8 April 2024 (less than a year ago)
Launch price (MSRP)	$2,558	no data
Current price	$422 (0.2x MSRP)	no data

Detailed specifications

Xeon E7-2850 and Atom x7405C 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 cores	10 (Deca-Core)	4 (Quad-Core)
Threads	20	4
Base clock speed	2 GHz	1.7 GHz
Boost clock speed	2.4 GHz	3.4 GHz
Bus support	6.4 GT/s	no data
L1 cache	640 KB	96 KB (per core)
L2 cache	2.56 MB	2 MB (shared)
L3 cache	24 MB	6 MB (shared)
Chip lithography	32 nm	10 nm
Die size	513 mm2	no data
Maximum core temperature	69 °C	no data
Number of transistors	2600 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	No	No

Compatibility

Information on Xeon E7-2850 and Atom x7405C 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 configuration	2	1
Socket	LGA1567	Intel BGA 1264
Power consumption (TDP)	130 Watt	12 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E7-2850 and Atom x7405C. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
AES-NI	+	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	no data
Thermal Monitoring	+	no data
Status	Discontinued	no data

Security technologies

Xeon E7-2850 and Atom x7405C technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E7-2850 and Atom x7405C are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E7-2850 and Atom x7405C. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066	DDR4, DDR5
Maximum memory size	1 TB	no data
Max memory channels	4	no data
Maximum memory bandwidth	34.113 GB/s	no data
ECC memory support	+	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon E7-2850 and Atom x7405C.

PCIe version	no data	3.0
PCI Express lanes	no data	9

Pros & cons summary

---

Recency	5 April 2011	8 April 2024
Physical cores	10	4
Threads	20	4
Chip lithography	32 nm	10 nm
Power consumption (TDP)	130 Watt	12 Watt

---

Should you still have questions on choice between Xeon E7-2850 and Atom x7405C, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---