Intel Xeon X3440 vs Intel Core i5-2500K

Comparative analysis of Intel Xeon X3440 and Intel Core i5-2500K processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces. 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, 3DMark Fire Strike - Physics Score.

Intel Xeon X3440

Intel Core i5-2500K

Differences

Reasons to consider the Intel Xeon X3440

4 more threads: 8 vs 4
Around 33% more L3 cache; more data can be stored in the L3 cache for quick access later

Number of threads	8 vs 4
L3 cache	8 MB vs 6144 KB (shared)

Reasons to consider the Intel Core i5-2500K

CPU is newer: launch date 1 year(s) 3 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 26% higher clock speed: 3.70 GHz vs 2.93 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
3.1x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 3.325 vs 1.062
Around 42% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 78.071 vs 54.918
Around 16% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.384 vs 0.33
Around 14% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.818 vs 1.597
Around 1% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 4.627 vs 4.562

Specifications (specs)
Launch date	January 2011 vs 8 September 2009
Unlocked	Unlocked vs Locked
Maximum frequency	3.70 GHz vs 2.93 GHz
Manufacturing process technology	32 nm vs 45 nm
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	3.325 vs 1.062
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	78.071 vs 54.918
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.384 vs 0.33
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.818 vs 1.597
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.627 vs 4.562

Compare benchmarks

CPU 1: Intel Xeon X3440
CPU 2: Intel Core i5-2500K

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

1.062

3.325

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

54.918

78.071

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.33

0.384

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

1.597

1.818

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

4.562

4.627

Name	Intel Xeon X3440	Intel Core i5-2500K
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.062	3.325
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	54.918	78.071
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.33	0.384
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.597	1.818
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	4.562	4.627
PassMark - Single thread mark		1698
PassMark - CPU mark		4129
Geekbench 4 - Single Core		806
Geekbench 4 - Multi-Core		2657
3DMark Fire Strike - Physics Score		1575

Compare specifications (specs)

	Intel Xeon X3440	Intel Core i5-2500K
Essentials
Architecture codename	Lynnfield	Sandy Bridge
Launch date	8 September 2009	January 2011
Launch price (MSRP)	$215	$289
Place in performance rating	3146	2447
Processor Number	X3440	i5-2500K
Status	Discontinued	Discontinued
Vertical segment	Server	Desktop
Price now		$123.99
Series		Legacy Intel® Core™ Processors
Value for money (0-100)		15.38
Performance
64 bit support
Base frequency	2.53 GHz	3.30 GHz
Bus Speed	2.5 GT/s DMI	5 GT/s DMI
Die size	296 mm2	216 mm
L1 cache	256 KB	64 KB (per core)
L2 cache	1 MB	256 KB (per core)
L3 cache	8 MB	6144 KB (shared)
Manufacturing process technology	45 nm	32 nm
Maximum case temperature (TCase)	72.7 °C
Maximum frequency	2.93 GHz	3.70 GHz
Number of cores	4	4
Number of threads	8	4
Transistor count	774 million	1160 million
VID voltage range	0.65V - 1.4V
Maximum core temperature		72.6°C
Unlocked
Memory
ECC memory support
Max memory channels	2	2
Maximum memory bandwidth	21 GB/s	21 GB/s
Maximum memory size	32 GB	32 GB
Supported memory types	DDR3 800/1066/1333	DDR3 1066/1333
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Sockets supported	LGA1156	LGA1155
Thermal Design Power (TDP)	95 Watt	95 Watt
Package Size		37.5mm x 37.5mm
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	2.0	2.0
PCIe configurations	1x16, 2x8, 4x4
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Intel® Identity Protection technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Flexible Display interface (FDI)
Instruction set extensions		Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Intel® Advanced Vector Extensions (AVX)
Intel® Fast Memory Access
Intel® Flex Memory Access
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Graphics
Device ID		0x112
Graphics base frequency		850 MHz
Graphics max dynamic frequency		1.10 GHz
Graphics max frequency		1.1 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics		Intel® HD Graphics 3000
Graphics interfaces
Number of displays supported		2
Wireless Display (WiDi) support