Xeon Phi 7120P vs E7-8870

Primary details

Comparing Xeon E7-8870 and Xeon Phi 7120P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Series	Intel Xeon E7	no data
Architecture codename	Westmere-EX (2011)	Knights Corner (2012−2014)
Release date	3 April 2011 (13 years ago)	17 June 2013 (11 years ago)
Launch price (MSRP)	$4,616	no data

Detailed specifications

Xeon E7-8870 and Xeon Phi 7120P 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)	61 (Henihexaconta-Core)
Threads	20	244
Base clock speed	2.4 GHz	1.24 GHz
Boost clock speed	2.8 GHz	1.33 GHz
Bus type	QPI	no data
Bus rate	6.4 GT/s	no data
Multiplier	18	no data
L1 cache	64K (per core)	32 KB (per core)
L2 cache	256K (per core)	512 KB (per core)
L3 cache	30 MB (shared)	0 KB (shared)
Chip lithography	32 nm	22 nm
Die size	513 mm2	350 mm2
Maximum core temperature	69 °C	no data
Number of transistors	2,600 million	5,000 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E7-8870 and Xeon Phi 7120P 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	8 (Multiprocessor)	1
Socket	FCLGA1567,LGA1567	PCIe x16
Power consumption (TDP)	130 Watt	300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E7-8870 and Xeon Phi 7120P. 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	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	no data
Thermal Monitoring	+	-

Security technologies

Xeon E7-8870 and Xeon Phi 7120P technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E7-8870 and Xeon Phi 7120P are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E7-8870 and Xeon Phi 7120P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3, DDR4
Maximum memory size	4 TB	no data
Max memory channels	4	no data
Maximum memory bandwidth	34.113 GB/s	no data
ECC memory support	+	-

Pros & cons summary

---

Recency	3 April 2011	17 June 2013
Physical cores	10	61
Threads	20	244
Chip lithography	32 nm	22 nm
Power consumption (TDP)	130 Watt	300 Watt

---

Should you still have questions on choice between Xeon E7-8870 and Xeon Phi 7120P, 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.

---