Intel Xeon X5687 vs Intel Core i7-2600K

Comparative analysis of Intel Xeon X5687 and Intel Core i7-2600K processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces, Peripherals. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 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), Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score.

Intel Xeon X5687

Intel Core i7-2600K

Differences

Reasons to consider the Intel Xeon X5687

Around 2% higher clock speed: 3.86 GHz vs 3.80 GHz
Around 11% higher maximum core temperature: 80.4°C vs 72.6°C
Around 50% more L3 cache; more data can be stored in the L3 cache for quick access later
9x more maximum memory size: 288 GB vs 32 GB
Around 72% better performance in PassMark - CPU mark: 9417 vs 5481
Around 4% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 5.238 vs 5.018

Specifications (specs)
Maximum frequency	3.86 GHz vs 3.80 GHz
Maximum core temperature	80.4°C vs 72.6°C
L3 cache	12288 KB (shared) vs 8192 KB
Maximum memory size	288 GB vs 32 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	9417 vs 5481
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	5.238 vs 5.018

Reasons to consider the Intel Core i7-2600K

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 37% lower typical power consumption: 95 Watt vs 130 Watt
Around 6% better performance in PassMark - Single thread mark: 1742 vs 1636
3.8x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 4.524 vs 1.191
Around 25% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 77.745 vs 62.153
Around 57% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.602 vs 0.384
4.3x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 2.129 vs 0.49

Specifications (specs)
Unlocked	Unlocked vs Locked
Thermal Design Power (TDP)	95 Watt vs 130 Watt
Benchmarks
PassMark - Single thread mark	1742 vs 1636
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	4.524 vs 1.191
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	77.745 vs 62.153
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.602 vs 0.384
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.129 vs 0.49

Compare benchmarks

CPU 1: Intel Xeon X5687
CPU 2: Intel Core i7-2600K

PassMark - Single thread mark

CPU 1

CPU 2

1636

1742

PassMark - CPU mark

CPU 1

CPU 2

9417

5481

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

1.191

4.524

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

CPU 1

CPU 2

62.153

77.745

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

CPU 1

CPU 2

0.384

0.602

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

0.49

2.129

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

5.238

5.018

Name	Intel Xeon X5687	Intel Core i7-2600K
PassMark - Single thread mark	1636	1742
PassMark - CPU mark	9417	5481
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.191	4.524
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	62.153	77.745
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.384	0.602
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.49	2.129
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	5.238	5.018
Geekbench 4 - Single Core		811
Geekbench 4 - Multi-Core		3117
3DMark Fire Strike - Physics Score		1845

Compare specifications (specs)

	Intel Xeon X5687	Intel Core i7-2600K
Essentials
Architecture codename	Westmere EP	Sandy Bridge
Launch date	February 2011	3 January 2011
Launch price (MSRP)	$121	$317
Place in performance rating	2562	2312
Price now	$51.66	$189.99
Processor Number	X5687	i7-2600K
Series	Legacy Intel® Xeon® Processors	Legacy Intel® Core™ Processors
Status	Discontinued	Discontinued
Value for money (0-100)	40.41	13.10
Vertical segment	Server	Desktop
Performance
64 bit support
Base frequency	3.60 GHz	3.40 GHz
Bus Speed	6.4 GT/s QPI	5 GT/s DMI
Die size	239 mm	216 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	1024 KB
L3 cache	12288 KB (shared)	8192 KB
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	80.4°C	72.6°C
Maximum frequency	3.86 GHz	3.80 GHz
Number of cores	4	4
Number of QPI Links	2
Number of threads	8	8
Transistor count	1170 million	995 Million
VID voltage range	0.750V-1.350V
Unlocked
Memory
ECC memory support
Max memory channels	3	2
Maximum memory bandwidth	32 GB/s	21 GB/s
Maximum memory size	288 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	2	1
Package Size	42.5mm X 45mm	37.5mm x 37.5mm
Sockets supported	FCLGA1366	LGA1155
Thermal Design Power (TDP)	130 Watt	95 Watt
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Intel® Identity Protection technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE)	40-bit
Thermal Monitoring
Flexible Display interface (FDI)
Intel® Advanced Vector Extensions (AVX)
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® vPro™ Platform Eligibility
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		1.35 GHz
Graphics max frequency		1.35 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
Peripherals
Max number of PCIe lanes		16
PCI Express revision		2.0