Intel Xeon X5687 vs Intel Xeon W3670

Comparative analysis of Intel Xeon X5687 and Intel Xeon W3670 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization. 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.

Intel Xeon X5687

Intel Xeon W3670

Differences

Reasons to consider the Intel Xeon X5687

CPU is newer: launch date 6 month(s) later
Around 12% higher clock speed: 3.86 GHz vs 3.46 GHz
Around 18% higher maximum core temperature: 80.4°C vs 67.9°C
12x more maximum memory size: 288 GB vs 24 GB
Around 11% better performance in PassMark - Single thread mark: 1658 vs 1498
Around 46% better performance in PassMark - CPU mark: 9406 vs 6435
Around 47% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 62.153 vs 42.154

Specifications (specs)
Launch date	February 2011 vs August 2010
Maximum frequency	3.86 GHz vs 3.46 GHz
Maximum core temperature	80.4°C vs 67.9°C
Maximum memory size	288 GB vs 24 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - Single thread mark	1658 vs 1498
PassMark - CPU mark	9406 vs 6435
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	62.153 vs 42.154

Reasons to consider the Intel Xeon W3670

2 more cores, run more applications at once: 6 vs 4
4 more threads: 12 vs 8
Around 50% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 50% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 38% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 1.639 vs 1.191
Around 14% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.439 vs 0.384
5.2x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 2.551 vs 0.49
Around 38% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 7.228 vs 5.238

Specifications (specs)
Number of cores	6 vs 4
Number of threads	12 vs 8
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.639 vs 1.191
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.439 vs 0.384
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.551 vs 0.49
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	7.228 vs 5.238

Compare benchmarks

CPU 1: Intel Xeon X5687
CPU 2: Intel Xeon W3670

PassMark - Single thread mark

CPU 1

CPU 2

1658

1498

PassMark - CPU mark

CPU 1

CPU 2

9406

6435

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

1.191

1.639

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

CPU 1

CPU 2

62.153

42.154

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

CPU 1

CPU 2

0.384

0.439

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

0.49

2.551

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

5.238

7.228

Name	Intel Xeon X5687	Intel Xeon W3670
PassMark - Single thread mark	1658	1498
PassMark - CPU mark	9406	6435
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.191	1.639
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	62.153	42.154
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.384	0.439
CompuBench 1.5 Desktop - Video Composition (Frames/s)	0.49	2.551
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	5.238	7.228
Geekbench 4 - Single Core		561
Geekbench 4 - Multi-Core		2994

Compare specifications (specs)

	Intel Xeon X5687	Intel Xeon W3670
Essentials
Architecture codename	Westmere EP	Westmere EP
Launch date	February 2011	August 2010
Launch price (MSRP)	$121	$295
Place in performance rating	2512	2515
Price now	$51.66	$565
Processor Number	X5687	W3670
Series	Legacy Intel® Xeon® Processors	Legacy Intel® Xeon® Processors
Status	Discontinued	Discontinued
Value for money (0-100)	40.41	4.25
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.60 GHz	3.20 GHz
Bus Speed	6.4 GT/s QPI	4.8 GT/s QPI
Die size	239 mm	239 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	12288 KB (shared)	12288 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	80.4°C	67.9°C
Maximum frequency	3.86 GHz	3.46 GHz
Number of cores	4	6
Number of QPI Links	2	1
Number of threads	8	12
Transistor count	1170 million	1170 million
VID voltage range	0.750V-1.350V	0.800V-1.375V
Memory
ECC memory support
Max memory channels	3	3
Maximum memory bandwidth	32 GB/s	25.6 GB/s
Maximum memory size	288 GB	24 GB
Supported memory types	DDR3 800/1066/1333	DDR3 800/1066
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	1
Package Size	42.5mm X 45mm	42.5mm X 45mm
Sockets supported	FCLGA1366	FCLGA1366
Thermal Design Power (TDP)	130 Watt	130 Watt
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® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE)	40-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)