Intel Atom C3338 vs Intel Xeon E5503

Comparative analysis of Intel Atom C3338 and Intel Xeon E5503 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.

Intel Atom C3338

Intel Xeon E5503

Differences

Reasons to consider the Intel Atom C3338

Around 10% higher clock speed: 2.20 GHz vs 2 GHz
Around 32% higher maximum core temperature: 100°C vs 76°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 45 nm
8.9x lower typical power consumption: 8.5 Watt vs 80 Watt
Around 3% better performance in PassMark - Single thread mark: 806 vs 783

Specifications (specs)
Maximum frequency	2.20 GHz vs 2 GHz
Maximum core temperature	100°C vs 76°C
Manufacturing process technology	14 nm vs 45 nm
Thermal Design Power (TDP)	8.5 Watt vs 80 Watt
Benchmarks
PassMark - Single thread mark	806 vs 783

Reasons to consider the Intel Xeon E5503

Around 13% higher maximum memory size: 144 GB vs 128 GB
Around 74% better performance in PassMark - CPU mark: 1787 vs 1028

Specifications (specs)
Maximum memory size	144 GB vs 128 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	1787 vs 1028

Compare benchmarks

CPU 1: Intel Atom C3338
CPU 2: Intel Xeon E5503

PassMark - Single thread mark

CPU 1

CPU 2

806

783

PassMark - CPU mark

CPU 1

CPU 2

1028

1787

Name	Intel Atom C3338	Intel Xeon E5503
PassMark - Single thread mark	806	783
PassMark - CPU mark	1028	1787

Compare specifications (specs)

	Intel Atom C3338	Intel Xeon E5503
Essentials
Architecture codename	Denverton	Nehalem EP
Launch date	Q1'17	March 2010
Place in performance rating	2555	2566
Processor Number	C3338	E5503
Series	Intel® Atom™ Processor C Series	Legacy Intel® Xeon® Processors
Status	Launched	Launched
Vertical segment	Server	Server
Launch price (MSRP)		$287
Price now		$287.01
Value for money (0-100)		1.43
Performance
64 bit support
Base frequency	1.50 GHz	2.00 GHz
Manufacturing process technology	14 nm	45 nm
Maximum core temperature	100°C	76°C
Maximum frequency	2.20 GHz	2 GHz
Number of cores	2	2
Number of QPI Links	0	2
Number of threads	2	2
Number of Ultra Path Interconnect (UPI) Links	0
Bus Speed		4.8 GT/s QPI
Die size		263 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		4096 KB (shared)
Transistor count		731 million
VID voltage range		0.75V -1.35V
Memory
Max memory channels	1	3
Maximum memory size	128 GB	144 GB
Supported memory types	DDR4: 1866	DDR3 800
ECC memory support
Maximum memory bandwidth		19.2 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)	8.5 Watt	80 Watt
Peripherals
Integrated LAN
Max number of PCIe lanes	10
Max number of SATA 6 Gb/s Ports	10
Number of USB ports	8
PCI Express revision	3
PCIe configurations	x2,x4,x8
Total number of SATA ports	10
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
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)