i9-13900KF vs Xeon E7-2803

Primary details

Comparing Xeon E7-2803 and Core i9-13900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	93
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	61.37
Market segment	Server	Desktop processor
Series	Intel Xeon E7	Intel Core i9
Power efficiency	no data	13.73
Architecture codename	Westmere (2010−2011)	Raptor Lake, Raptor Cove, Gracemont (2022)
Release date	5 April 2011 (13 years ago)	27 September 2022 (2 years ago)
Launch price (MSRP)	$774	$564

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E7-2803 and Core i9-13900KF 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	6 (Hexa-Core)	24 (Tetracosa-Core)
Threads	12	32
Base clock speed	1.73 GHz	3 GHz
Boost clock speed	0.03 GHz	5.7 GHz
Bus type	QPI	no data
Bus rate	4.8 GT/s	4 × 16 GT/s
Multiplier	13	30
L1 cache	384 KB	80K (per core)
L2 cache	1.5 MB	2 MB (per core)
L3 cache	18 MB	36 MB (shared)
Chip lithography	32 nm	Intel 7 nm
Die size	513 mm2	257 mm2
Maximum core temperature	64 °C	100 °C
Maximum case temperature (TCase)	no data	72 °C
Number of transistors	2600 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+

Compatibility

Information on Xeon E7-2803 and Core i9-13900KF 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 (Multiprocessor)	1
Socket	FCLGA1567,LGA1567	FCLGA1700
Power consumption (TDP)	105 Watt	125 W, 253 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E7-2803 and Core i9-13900KF. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	-	2.0
Hyper-Threading Technology	+	+
Idle States	no data	+
Thermal Monitoring	+	+
Turbo Boost Max 3.0	no data	+
Deep Learning Boost	-	+

Security technologies

Xeon E7-2803 and Core i9-13900KF technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E7-2803 and Core i9-13900KF are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E7-2803 and Core i9-13900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-800	DDR5-5600, DDR4-3200
Maximum memory size	1 TB	192 GB
Max memory channels	4	2
Maximum memory bandwidth	25.598 GB/s	89.604 GB/s
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon E7-2803 and Core i9-13900KF.

PCIe version	no data	5.0 and 4.0
PCI Express lanes	no data	20

Pros & cons summary

---

Recency	5 April 2011	27 September 2022
Physical cores	6	24
Threads	12	32
Power consumption (TDP)	105 Watt	125 Watt

---

Should you still have questions on choice between Xeon E7-2803 and Core i9-13900KF, 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.

---