EPYC 7443P vs Xeon E7-4870

Primary details

Comparing Xeon E7-4870 and EPYC 7443P processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	82
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	17.00
Market segment	Server	Server
Series	Intel Xeon E7	AMD EPYC
Architecture codename	Westmere (2010−2011)	Milan (2021)
Release date	5 April 2011 (13 years ago)	15 March 2021 (3 years ago)
Launch price (MSRP)	$4,394	$1,337
Current price	$88 (0x MSRP)	$2206 (1.6x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E7-4870 and EPYC 7443P 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)	24 (Tetracosa-Core)
Threads	20	48
Base clock speed	2.4 GHz	2.85 GHz
Boost clock speed	2.8 GHz	4 GHz
Bus support	6.4 GT/s	no data
L1 cache	640 KB	64 KB (per core)
L2 cache	2.56 MB	512 KB (per core)
L3 cache	30 MB	128 MB (shared)
Chip lithography	32 nm	7 nm+
Die size	513 mm2	4x 81 mm2
Maximum core temperature	69 °C	no data
Number of transistors	2600 Million	16,600 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes

Compatibility

Information on Xeon E7-4870 and EPYC 7443P 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	4	1
Socket	LGA1567	SP3
Power consumption (TDP)	130 Watt	200 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E7-4870 and EPYC 7443P. 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)	+	no data
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	no data
Thermal Monitoring	+	no data
Status	Discontinued	no data

Security technologies

Xeon E7-4870 and EPYC 7443P 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 E7-4870 and EPYC 7443P are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E7-4870 and EPYC 7443P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066	DDR4-3200
Maximum memory size	2 TB	4 TiB
Max memory channels	4	no data
Maximum memory bandwidth	34.113 GB/s	204.795 GB/s
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 E7-4870 and EPYC 7443P.

PCIe version	no data	4.0
PCI Express lanes	no data	128

Pros & cons summary

---

Recency	5 April 2011	15 March 2021
Physical cores	10	24
Threads	20	48
Cost	$4394	$1337
Chip lithography	32 nm	7 nm
Power consumption (TDP)	130 Watt	200 Watt

---

Should you still have questions on choice between Xeon E7-4870 and EPYC 7443P, 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.

---