Intel Atom C3858 vs Intel Xeon W3565

Comparative analysis of Intel Atom C3858 and Intel Xeon W3565 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Atom C3858

Intel Xeon W3565

Differences

Reasons to consider the Intel Atom C3858

8 more cores, run more applications at once: 12 vs 4
4 more threads: 12 vs 8
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 45 nm
10.7x more maximum memory size: 256 GB vs 24 GB
5.2x lower typical power consumption: 25 Watt vs 130 Watt
Around 39% better performance in PassMark - CPU mark: 4707 vs 3381

Specifications (specs)
Number of cores	12 vs 4
Number of threads	12 vs 8
Manufacturing process technology	14 nm vs 45 nm
Maximum memory size	256 GB vs 24 GB
Thermal Design Power (TDP)	25 Watt vs 130 Watt
Benchmarks
PassMark - CPU mark	4707 vs 3381

Reasons to consider the Intel Xeon W3565

Around 73% higher clock speed: 3.46 GHz vs 2.00 GHz
2.3x better performance in PassMark - Single thread mark: 1502 vs 652

Specifications (specs)
Maximum frequency	3.46 GHz vs 2.00 GHz
Benchmarks
PassMark - Single thread mark	1502 vs 652

Compare benchmarks

CPU 1: Intel Atom C3858
CPU 2: Intel Xeon W3565

PassMark - Single thread mark

CPU 1

CPU 2

652

1502

PassMark - CPU mark

CPU 1

CPU 2

4707

3381

Name	Intel Atom C3858	Intel Xeon W3565
PassMark - Single thread mark	652	1502
PassMark - CPU mark	4707	3381
Geekbench 4 - Single Core		522
Geekbench 4 - Multi-Core		2070
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		1.052
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		52.603
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.342
CompuBench 1.5 Desktop - Video Composition (Frames/s)		1.732
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		4.841

Compare specifications (specs)

	Intel Atom C3858	Intel Xeon W3565
Essentials
Architecture codename	Denverton	Bloomfield
Launch date	Q3'17	November 2009
Place in performance rating	2626	2679
Processor Number	C3858	W3565
Series	Intel® Atom™ Processor C Series	Legacy Intel® Xeon® Processors
Status	Launched	Discontinued
Vertical segment	Server	Server
Launch price (MSRP)		$70
Price now		$69.95
Value for money (0-100)		25.02
Performance
64 bit support
Base frequency	2.00 GHz	3.20 GHz
Manufacturing process technology	14 nm	45 nm
Maximum core temperature	100°C
Maximum frequency	2.00 GHz	3.46 GHz
Number of cores	12	4
Number of QPI Links	0	1
Number of threads	12	8
Number of Ultra Path Interconnect (UPI) Links	0
Bus Speed		4.8 GT/s QPI
Die size		263 mm2
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		8192 KB (shared)
Transistor count		731 million
VID voltage range		0.800V-1.225V
Memory
Max memory channels	2	3
Maximum memory size	256 GB	24 GB
Supported memory types	DDR4: 2400	DDR3 800/1066
ECC memory support
Maximum memory bandwidth		25.6 GB/s
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	34 mm x 28 mm	42.5mm x 45.0mm
Sockets supported	FCBGA1310	FCLGA1366
Thermal Design Power (TDP)	25 Watt	130 Watt
Peripherals
Integrated LAN
Max number of PCIe lanes	16
Max number of SATA 6 Gb/s Ports	16
Number of USB ports	8
PCI Express revision	3
PCIe configurations	x2,x4,x8
Total number of SATA ports	16
USB revision	3
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Secure Boot
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Integrated Intel® QuickAssist Technology
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions		Intel® SSE4.2
Intel 64
Intel® Demand Based Switching
Physical Address Extensions (PAE)		36-bit
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)