Intel Xeon X5660 vs Intel Xeon X5570

Comparative analysis of Intel Xeon X5660 and Intel Xeon X5570 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, 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 X5660

Intel Xeon X5570

Differences

Reasons to consider the Intel Xeon X5660

CPU is newer: launch date 1 year(s) 0 month(s) later
2 more cores, run more applications at once: 6 vs 4
4 more threads: 12 vs 8
Around 8% higher maximum core temperature: 81.3°C vs 75°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
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 50% more L3 cache; more data can be stored in the L3 cache for quick access later
2x more maximum memory size: 288 GB vs 144 GB
Around 68% better performance in PassMark - CPU mark: 10471 vs 6244
Around 33% better performance in Geekbench 4 - Multi-Core: 3231 vs 2426
Around 43% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 2.733 vs 1.916
Around 32% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.722 vs 0.546
Around 38% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 12.8 vs 9.269

Specifications (specs)
Launch date	March 2010 vs March 2009
Number of cores	6 vs 4
Number of threads	12 vs 8
Maximum core temperature	81.3°C vs 75°C
Manufacturing process technology	32 nm vs 45 nm
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)
L3 cache	12288 KB (shared) vs 8192 KB (shared)
Maximum memory size	288 GB vs 144 GB
Benchmarks
PassMark - CPU mark	10471 vs 6244
Geekbench 4 - Multi-Core	3231 vs 2426
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.733 vs 1.916
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.722 vs 0.546
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	12.8 vs 9.269

Reasons to consider the Intel Xeon X5570

Around 4% higher clock speed: 3.33 GHz vs 3.20 GHz
Around 7% better performance in PassMark - Single thread mark: 1447 vs 1354
Around 3% better performance in Geekbench 4 - Single Core: 556 vs 542
Around 29% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 70.849 vs 55.088
2.3x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 3.071 vs 1.363

Specifications (specs)
Maximum frequency	3.33 GHz vs 3.20 GHz
Benchmarks
PassMark - Single thread mark	1447 vs 1354
Geekbench 4 - Single Core	556 vs 542
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	70.849 vs 55.088
CompuBench 1.5 Desktop - Video Composition (Frames/s)	3.071 vs 1.363

Compare benchmarks

CPU 1: Intel Xeon X5660
CPU 2: Intel Xeon X5570

PassMark - Single thread mark

CPU 1

CPU 2

1354

1447

PassMark - CPU mark

CPU 1

CPU 2

10471

6244

Geekbench 4 - Single Core

CPU 1

CPU 2

542

556

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3231

2426

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

2.733

1.916

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

CPU 1

CPU 2

55.088

70.849

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

CPU 1

CPU 2

0.722

0.546

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

1.363

3.071

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

12.8

9.269

Name	Intel Xeon X5660	Intel Xeon X5570
PassMark - Single thread mark	1354	1447
PassMark - CPU mark	10471	6244
Geekbench 4 - Single Core	542	556
Geekbench 4 - Multi-Core	3231	2426
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	2.733	1.916
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	55.088	70.849
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.722	0.546
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.363	3.071
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	12.8	9.269

Compare specifications (specs)

	Intel Xeon X5660	Intel Xeon X5570
Essentials
Architecture codename	Westmere EP	Nehalem EP
Launch date	March 2010	March 2009
Launch price (MSRP)	$33	$49
Place in performance rating	2389	2437
Price now	$112.91	$89
Processor Number	X5660	X5570
Series	Legacy Intel® Xeon® Processors	Legacy Intel® Xeon® Processors
Status	Discontinued	Launched
Value for money (0-100)	19.89	18.79
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.80 GHz	2.93 GHz
Bus Speed	6.4 GT/s QPI	6.4 GT/s QPI
Die size	239 mm	263 mm2
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)	8192 KB (shared)
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	81.3°C	75°C
Maximum frequency	3.20 GHz	3.33 GHz
Number of cores	6	4
Number of QPI Links	2	2
Number of threads	12	8
Transistor count	1170 million	731 million
VID voltage range	0.750V-1.350V	0.75V -1.35V
Memory
ECC memory support
Max memory channels	3	3
Maximum memory bandwidth	32 GB/s	32 GB/s
Maximum memory size	288 GB	144 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	42.5mmX45mm	42.5mm x 45mm
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 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)