Intel Atom C3858 vs Intel Xeon X5550

Comparative analysis of Intel Atom C3858 and Intel Xeon X5550 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 - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), CompuBench 1.5 Desktop - T-Rex (Frames/s).

Intel Atom C3858

Intel Xeon X5550

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
Around 33% higher maximum core temperature: 100°C vs 75°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 45 nm
Around 78% higher maximum memory size: 256 GB vs 144 GB
3.8x lower typical power consumption: 25 Watt vs 95 Watt

Number of cores	12 vs 4
Number of threads	12 vs 8
Maximum core temperature	100°C vs 75°C
Manufacturing process technology	14 nm vs 45 nm
Maximum memory size	256 GB vs 144 GB
Thermal Design Power (TDP)	25 Watt vs 95 Watt

Reasons to consider the Intel Xeon X5550

Around 53% higher clock speed: 3.06 GHz vs 2.00 GHz
2x better performance in PassMark - Single thread mark: 1310 vs 652
Around 20% better performance in PassMark - CPU mark: 5625 vs 4707

Specifications (specs)
Maximum frequency	3.06 GHz vs 2.00 GHz
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - Single thread mark	1310 vs 652
PassMark - CPU mark	5625 vs 4707

Compare benchmarks

CPU 1: Intel Atom C3858
CPU 2: Intel Xeon X5550

PassMark - Single thread mark

CPU 1

CPU 2

652

1310

PassMark - CPU mark

CPU 1

CPU 2

4707

5625

Name	Intel Atom C3858	Intel Xeon X5550
PassMark - Single thread mark	652	1310
PassMark - CPU mark	4707	5625
Geekbench 4 - Single Core		491
Geekbench 4 - Multi-Core		2241
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		1.775
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		71.663
CompuBench 1.5 Desktop - Video Composition (Frames/s)		2.861
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		8.548
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.531

Compare specifications (specs)

	Intel Atom C3858	Intel Xeon X5550
Essentials
Architecture codename	Denverton	Nehalem EP
Launch date	Q3'17	March 2009
Place in performance rating	2492	2452
Processor Number	C3858	X5550
Series	Intel® Atom™ Processor C Series	Legacy Intel® Xeon® Processors
Status	Launched	Launched
Vertical segment	Server	Server
Launch price (MSRP)		$62
Price now		$17.27
Value for money (0-100)		92.15
Performance
64 bit support
Base frequency	2.00 GHz	2.66 GHz
Manufacturing process technology	14 nm	45 nm
Maximum core temperature	100°C	75°C
Maximum frequency	2.00 GHz	3.06 GHz
Number of cores	12	4
Number of QPI Links	0	2
Number of threads	12	8
Number of Ultra Path Interconnect (UPI) Links	0
Bus Speed		6.4 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		0.75V -1.35V
Memory
Max memory channels	2	3
Maximum memory size	256 GB	144 GB
Supported memory types	DDR4: 2400	DDR3 800/1066/1333
ECC memory support
Maximum memory bandwidth		32 GB/s
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	2
Package Size	34 mm x 28 mm	42.5mm x 45mm
Sockets supported	FCBGA1310	FCLGA1366
Thermal Design Power (TDP)	25 Watt	95 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
Intel 64
Intel® Demand Based Switching
Physical Address Extensions (PAE)		40-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)