Intel Xeon E5-2623 v3 vs Intel Xeon E5-1660

Comparative analysis of Intel Xeon E5-2623 v3 and Intel Xeon E5-1660 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon E5-2623 v3

Intel Xeon E5-1660

Differences

Reasons to consider the Intel Xeon E5-2623 v3

Around 25% higher maximum core temperature: 80.2°C vs 64°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
3x more maximum memory size: 768 GB vs 256 GB
Around 24% lower typical power consumption: 105 Watt vs 130 Watt
Around 8% better performance in PassMark - Single thread mark: 1944 vs 1805
Around 39% better performance in PassMark - CPU mark: 11655 vs 8405

Specifications (specs)
Maximum core temperature	80.2°C vs 64°C
Manufacturing process technology	22 nm vs 32 nm
Maximum memory size	768 GB vs 256 GB
Max number of CPUs in a configuration	2 vs 1
Thermal Design Power (TDP)	105 Watt vs 130 Watt
Benchmarks
PassMark - Single thread mark	1944 vs 1805
PassMark - CPU mark	11655 vs 8405

Reasons to consider the Intel Xeon E5-1660

2 more cores, run more applications at once: 6 vs 4
4 more threads: 12 vs 8
Around 11% higher clock speed: 3.90 GHz vs 3.50 GHz
Around 50% better performance in Geekbench 4 - Multi-Core: 4774 vs 3176

Specifications (specs)
Number of cores	6 vs 4
Number of threads	12 vs 8
Maximum frequency	3.90 GHz vs 3.50 GHz
Benchmarks
Geekbench 4 - Single Core	777 vs 775
Geekbench 4 - Multi-Core	4774 vs 3176

Compare benchmarks

CPU 1: Intel Xeon E5-2623 v3
CPU 2: Intel Xeon E5-1660

PassMark - Single thread mark

CPU 1

CPU 2

1944

1805

PassMark - CPU mark

CPU 1

CPU 2

11655

8405

Geekbench 4 - Single Core

CPU 1

CPU 2

775

777

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3176

4774

Name	Intel Xeon E5-2623 v3	Intel Xeon E5-1660
PassMark - Single thread mark	1944	1805
PassMark - CPU mark	11655	8405
Geekbench 4 - Single Core	775	777
Geekbench 4 - Multi-Core	3176	4774

Compare specifications (specs)

	Intel Xeon E5-2623 v3	Intel Xeon E5-1660
Essentials
Architecture codename	Haswell	Sandy Bridge EP
Launch date	Q3'14	March 2012
Place in performance rating	1493	1512
Processor Number	E5-2623V3	E5-1660
Series	Intel® Xeon® Processor E5 v3 Family	Intel® Xeon® Processor E5 Family
Status	Launched	Discontinued
Vertical segment	Server	Server
Launch price (MSRP)		$290
Price now		$1,226.66
Value for money (0-100)		2.97
Performance
64 bit support
Base frequency	3.00 GHz	3.30 GHz
Bus Speed	8 GT/s QPI	0 QPI
Manufacturing process technology	22 nm	32 nm
Maximum core temperature	80.2°C	64°C
Maximum frequency	3.50 GHz	3.90 GHz
Number of cores	4	6
Number of QPI Links	2	0
Number of threads	8	12
VID voltage range	0.65V–1.30V	0.60V - 1.35V
Die size		435 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		15360 KB (shared)
Transistor count		2270 million
Memory
Max memory channels	4	4
Maximum memory bandwidth	59 GB/s	51.2 GB/s
Maximum memory size	768 GB	256 GB
Supported memory types	DDR4 1600/1866	DDR3 800/1066/1333/1600
ECC memory support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	1
Package Size	52.5mm x 45mm	52.5mm x 45.0 mm
Sockets supported	FCLGA2011-3	FCLGA2011
Thermal Design Power (TDP)	105 Watt	130 Watt
Peripherals
Max number of PCIe lanes	40	40
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16
Scalability	2S
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX2	Intel® AVX
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)	46-bit
Thermal Monitoring
Intel® Advanced Vector Extensions (AVX)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)