Intel Xeon X3450 vs Intel Atom C2750

Comparative analysis of Intel Xeon X3450 and Intel Atom C2750 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: 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), PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon X3450

Intel Atom C2750

Differences

Reasons to consider the Intel Xeon X3450

Around 23% higher clock speed: 3.20 GHz vs 2.60 GHz

Maximum frequency	3.20 GHz vs 2.60 GHz

Reasons to consider the Intel Atom C2750

4 more cores, run more applications at once: 8 vs 4
Around 33% higher maximum core temperature: 97°C vs 72.7°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 45 nm
2x more maximum memory size: 64 GB vs 32 GB
4.8x lower typical power consumption: 20 Watt vs 95 Watt

Number of cores	8 vs 4
Maximum core temperature	97°C vs 72.7°C
Manufacturing process technology	22 nm vs 45 nm
Maximum memory size	64 GB vs 32 GB
Thermal Design Power (TDP)	20 Watt vs 95 Watt

Compare benchmarks

CPU 1: Intel Xeon X3450
CPU 2: Intel Atom C2750

Name	Intel Xeon X3450	Intel Atom C2750
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.157
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	58.957
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.373
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.72
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.984
PassMark - Single thread mark		693
PassMark - CPU mark		2787
Geekbench 4 - Single Core		215
Geekbench 4 - Multi-Core		1458

Compare specifications (specs)

	Intel Xeon X3450	Intel Atom C2750
Essentials
Architecture codename	Lynnfield	Avoton
Launch date	8 Sep 2009	Q3'13
Launch price (MSRP)	$261
Place in performance rating	3085	2871
Processor Number	X3450	C2750
Series	Legacy Intel Xeon Processors	Intel® Atom™ Processor C Series
Vertical segment	Server	Server
Status		Launched
Performance
64 bit support
Base frequency	2.66 GHz	2.40 GHz
Bus Speed	2.5 GT/s
Die size	296 mm2
L1 cache	256 KB
L2 cache	1 MB
L3 cache	8 MB
Manufacturing process technology	45 nm	22 nm
Maximum core temperature	72.7°C	97°C
Maximum frequency	3.20 GHz	2.60 GHz
Number of cores	4	8
Number of threads	8	8
Transistor count	774 million
VID voltage range	0.6500V-1.4000V
Memory
Max memory channels	2	2
Maximum memory bandwidth	21 GB/s	25.6 GB/s
Maximum memory size	32 GB	64 GB
Supported memory types	DDR3 800/1066/1333	DDR3/DDR3L 1600
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1
Package Size	37.5mm x 37.5mm	34 mm x 28 mm
Sockets supported	LGA1156	FCBGA1283
Thermal Design Power (TDP)	95 Watt	20 Watt
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	2.0	2
PCIe configurations	1x16, 2x8, 4x4	x1,x2,x4,x8,x16
Integrated LAN
Max number of SATA 6 Gb/s Ports		2
Number of USB ports		4
Total number of SATA ports		6
UART
USB revision		2
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE)	36-bit	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)