Xeon w5-2545 vs i7-5820K

Primary details

Comparing Core i7-5820K and Xeon w5-2545 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1076	183
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.13	83.24
Market segment	Desktop processor	Server
Power efficiency	4.19	11.83
Architecture codename	Haswell-E (2014)	Sapphire Rapids (2023−2024)
Release date	1 September 2014 (10 years ago)	24 August 2024 (less than a year ago)
Launch price (MSRP)	$410	$889

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon w5-2545 has 7266% better value for money than i7-5820K.

Detailed specifications

Core i7-5820K and Xeon w5-2545 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)	12 (Dodeca-Core)
Threads	12	24
Base clock speed	3.3 GHz	3.5 GHz
Boost clock speed	3.6 GHz	4.7 GHz
Bus rate	0 GT/s	no data
L1 cache	64 KB (per core)	80 KB (per core)
L2 cache	256 KB (per core)	2 MB (per core)
L3 cache	15 MB (shared)	30 MB
Chip lithography	22 nm	Intel 7 nm
Die size	356 mm2	no data
Maximum core temperature	67 °C	no data
Maximum case temperature (TCase)	no data	74 °C
Number of transistors	2,600 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	+	-

Compatibility

Information on Core i7-5820K and Xeon w5-2545 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	1	1
Socket	FCLGA2011	FCLGA4677
Power consumption (TDP)	140 Watt	210 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-5820K and Xeon w5-2545. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Idle States	+	no data
Thermal Monitoring	+	-
Smart Response	+	no data
Demand Based Switching	-	no data
Turbo Boost Max 3.0	no data	+
Deep Learning Boost	-	+

Security technologies

Core i7-5820K and Xeon w5-2545 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Identity Protection	+	-
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-5820K and Xeon w5-2545 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-5820K and Xeon w5-2545. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5-4800
Maximum memory size	64 GB	2 TB
Max memory channels	4	4
Maximum memory bandwidth	68 GB/s	no data
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Core i7-5820K and Xeon w5-2545.

PCIe version	3.0	5.0
PCI Express lanes	28	64

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

---

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

---

Pros & cons summary

---

Performance score	6.20	26.24
Recency	1 September 2014	24 August 2024
Physical cores	6	12
Threads	12	24
Power consumption (TDP)	140 Watt	210 Watt

---

Should you still have questions on choice between Core i7-5820K and Xeon w5-2545, 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.

---