Intel Xeon X5650 vs Intel Xeon X5660

Comparative analysis of Intel Xeon X5650 and Intel Xeon X5660 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score, 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).

Intel Xeon X5650

Intel Xeon X5660

Differences

Reasons to consider the Intel Xeon X5650

Around 3% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 56.607 vs 55.088
3x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 4.087 vs 1.363

Benchmarks
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	56.607 vs 55.088
CompuBench 1.5 Desktop - Video Composition (Frames/s)	4.087 vs 1.363

Reasons to consider the Intel Xeon X5660

Around 5% higher clock speed: 3.20 GHz vs 3.06 GHz
Around 2% better performance in PassMark - Single thread mark: 1352 vs 1320
Around 4% better performance in PassMark - CPU mark: 10519 vs 10158
Around 5% better performance in Geekbench 4 - Single Core: 542 vs 515
Around 6% better performance in Geekbench 4 - Multi-Core: 3231 vs 3060
Around 4% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 2.733 vs 2.639
Around 2% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.722 vs 0.711
Around 2% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 12.8 vs 12.497

Specifications (specs)
Maximum frequency	3.20 GHz vs 3.06 GHz
Benchmarks
PassMark - Single thread mark	1352 vs 1320
PassMark - CPU mark	10519 vs 10158
Geekbench 4 - Single Core	542 vs 515
Geekbench 4 - Multi-Core	3231 vs 3060
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.733 vs 2.639
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.722 vs 0.711
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	12.8 vs 12.497

Compare benchmarks

CPU 1: Intel Xeon X5650
CPU 2: Intel Xeon X5660

PassMark - Single thread mark

CPU 1

CPU 2

1320

1352

PassMark - CPU mark

CPU 1

CPU 2

10158

10519

Geekbench 4 - Single Core

CPU 1

CPU 2

515

542

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3060

3231

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

2.639

2.733

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

CPU 1

CPU 2

56.607

55.088

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

CPU 1

CPU 2

0.711

0.722

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

4.087

1.363

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

12.497

12.8

Name	Intel Xeon X5650	Intel Xeon X5660
PassMark - Single thread mark	1320	1352
PassMark - CPU mark	10158	10519
Geekbench 4 - Single Core	515	542
Geekbench 4 - Multi-Core	3060	3231
3DMark Fire Strike - Physics Score	3987
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.639	2.733
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	56.607	55.088
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.711	0.722
CompuBench 1.5 Desktop - Video Composition (Frames/s)	4.087	1.363
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	12.497	12.8

Compare specifications (specs)

	Intel Xeon X5650	Intel Xeon X5660
Essentials
Architecture codename	Westmere EP	Westmere EP
Launch date	March 2010	March 2010
Launch price (MSRP)	$53	$33
Place in performance rating	2256	2309
Price now	$29.91	$112.91
Processor Number	X5650	X5660
Series	Legacy Intel® Xeon® Processors	Legacy Intel® Xeon® Processors
Status	Discontinued	Discontinued
Value for money (0-100)	73.02	19.89
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.66 GHz	2.80 GHz
Bus Speed	6.4 GT/s QPI	6.4 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	81.3°C	81.3°C
Maximum frequency	3.06 GHz	3.20 GHz
Number of cores	6	6
Number of QPI Links	2	2
Number of threads	12	12
Transistor count	1170 million	1170 million
VID voltage range	0.750V-1.350V	0.750V-1.350V
Memory
ECC memory support
Max memory channels	3	3
Maximum memory bandwidth	32 GB/s	32 GB/s
Maximum memory size	288 GB	288 GB
Supported memory types	DDR3 800/1066/1333	DDR3 800/1066/1333
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	2
Package Size	42.5mm X 45mm	42.5mmX45mm
Sockets supported	FCLGA1366	FCLGA1366
Thermal Design Power (TDP)	95 Watt	95 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	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)