Xeon E3-1105C vs W-2145

Primary details

Comparing Xeon W-2145 and Xeon E3-1105C processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	674	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	7.85	no data
Market segment	Server	Server
Series	Intel Xeon W	no data
Power efficiency	7.74	no data
Architecture codename	Skylake (server) (2017−2019)	Gladden (2012)
Release date	29 August 2017 (7 years ago)	14 May 2012 (12 years ago)
Launch price (MSRP)	$1,113	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon W-2145 and Xeon E3-1105C 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	8 (Octa-Core)	4 (Quad-Core)
Threads	16	4
Base clock speed	3.7 GHz	no data
Boost clock speed	4.5 GHz	1 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	37	no data
L1 cache	512 KB	64 KB (per core)
L2 cache	8 MB	256 KB (per core)
L3 cache	11 MB (shared)	6144 KB (shared)
Chip lithography	14 nm	32 nm
Die size	484 mm2	216 mm2
Maximum case temperature (TCase)	70 °C	no data
Number of transistors	no data	1,160 million
64 bit support	+	+
Windows 11 compatibility	+	-

Compatibility

Information on Xeon W-2145 and Xeon E3-1105C 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 (Uniprocessor)	1
Socket	Socket R4	Intel BGA1283
Power consumption (TDP)	140 Watt	25 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2145 and Xeon E3-1105C. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	-	no data
Demand Based Switching	+	no data
PAE	46 Bit	no data
Turbo Boost Max 3.0	-	no data

Security technologies

Xeon W-2145 and Xeon E3-1105C technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data
Secure Key	+	no data
MPX	+	-
Identity Protection	+	-
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2145 and Xeon E3-1105C are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2145 and Xeon E3-1105C. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR3
Maximum memory size	512 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85.33 GB/s	no data
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Xeon W-2145 and Xeon E3-1105C.

PCIe version	3.0	no data
PCI Express lanes	48	no data

Pros & cons summary

---

Recency	29 August 2017	14 May 2012
Physical cores	8	4
Threads	16	4
Chip lithography	14 nm	32 nm
Power consumption (TDP)	140 Watt	25 Watt

---

Should you still have questions on choice between Xeon W-2145 and Xeon E3-1105C, 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.

---