Intel Atom C3338 vs Intel Xeon E5603

Comparative analysis of Intel Atom C3338 and Intel Xeon E5603 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 E5603

Differences

Reasons to consider the Intel Atom C3338

Around 38% higher clock speed: 2.20 GHz vs 1.6 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
8.9x lower typical power consumption: 8.5 Watt vs 80 Watt
Around 14% better performance in PassMark - Single thread mark: 806 vs 710

Specifications (specs)
Maximum frequency	2.20 GHz vs 1.6 GHz
Manufacturing process technology	14 nm vs 32 nm
Thermal Design Power (TDP)	8.5 Watt vs 80 Watt
Benchmarks
PassMark - Single thread mark	806 vs 710

Reasons to consider the Intel Xeon E5603

2 more cores, run more applications at once: 4 vs 2
2 more threads: 4 vs 2
2.3x more maximum memory size: 288 GB vs 128 GB
3.5x better performance in PassMark - CPU mark: 3548 vs 1028

Specifications (specs)
Number of cores	4 vs 2
Number of threads	4 vs 2
Maximum memory size	288 GB vs 128 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	3548 vs 1028

Compare benchmarks

CPU 1: Intel Atom C3338
CPU 2: Intel Xeon E5603

PassMark - Single thread mark

CPU 1

CPU 2

806

710

PassMark - CPU mark

CPU 1

CPU 2

1028

3548

Name	Intel Atom C3338	Intel Xeon E5603
PassMark - Single thread mark	806	710
PassMark - CPU mark	1028	3548

Compare specifications (specs)

	Intel Atom C3338	Intel Xeon E5603
Essentials
Architecture codename	Denverton	Westmere EP
Launch date	Q1'17	February 2011
Place in performance rating	2541	2569
Processor Number	C3338	E5603
Series	Intel® Atom™ Processor C Series	Legacy Intel® Xeon® Processors
Status	Launched	Discontinued
Vertical segment	Server	Server
Launch price (MSRP)		$286
Price now		$129.04
Value for money (0-100)		5.40
Performance
64 bit support
Base frequency	1.50 GHz	1.60 GHz
Manufacturing process technology	14 nm	32 nm
Maximum core temperature	100°C
Maximum frequency	2.20 GHz	1.6 GHz
Number of cores	2	4
Number of QPI Links	0	2
Number of threads	2	4
Number of Ultra Path Interconnect (UPI) Links	0
Bus Speed		4.8 GT/s QPI
Die size		239 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		4096 KB (shared)
Transistor count		1170 million
VID voltage range		0.750V-1.350V
Memory
Max memory channels	1	3
Maximum memory size	128 GB	288 GB
Supported memory types	DDR4: 1866	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	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
Instruction set extensions		Intel® SSE4.2
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)