Intel Xeon E5-2670 v3 vs Intel Xeon E3-1281 v3

Comparative analysis of Intel Xeon E5-2670 v3 and Intel Xeon E3-1281 v3 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 E5-2670 v3

Intel Xeon E3-1281 v3

Differences

Reasons to consider the Intel Xeon E5-2670 v3

8 more cores, run more applications at once: 12 vs 4
16 more threads: 24 vs 8
24x more maximum memory size: 768 GB vs 32 GB
3x better performance in PassMark - CPU mark: 22313 vs 7483
Around 96% better performance in Geekbench 4 - Multi-Core: 7047 vs 3597

Specifications (specs)
Number of cores	12 vs 4
Number of threads	24 vs 8
Maximum memory size	768 GB vs 32 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	22313 vs 7483
Geekbench 4 - Multi-Core	7047 vs 3597

Reasons to consider the Intel Xeon E3-1281 v3

Around 32% higher clock speed: 4.10 GHz vs 3.10 GHz
Around 46% lower typical power consumption: 82 Watt vs 120 Watt
Around 37% better performance in PassMark - Single thread mark: 2333 vs 1705
Around 43% better performance in Geekbench 4 - Single Core: 1005 vs 705

Specifications (specs)
Maximum frequency	4.10 GHz vs 3.10 GHz
Thermal Design Power (TDP)	82 Watt vs 120 Watt
Benchmarks
PassMark - Single thread mark	2333 vs 1705
Geekbench 4 - Single Core	1005 vs 705

Compare benchmarks

CPU 1: Intel Xeon E5-2670 v3
CPU 2: Intel Xeon E3-1281 v3

PassMark - Single thread mark

CPU 1

CPU 2

1705

2333

PassMark - CPU mark

CPU 1

CPU 2

22313

7483

Geekbench 4 - Single Core

CPU 1

CPU 2

705

1005

Geekbench 4 - Multi-Core

CPU 1

CPU 2

7047

3597

Name	Intel Xeon E5-2670 v3	Intel Xeon E3-1281 v3
PassMark - Single thread mark	1705	2333
PassMark - CPU mark	22313	7483
Geekbench 4 - Single Core	705	1005
Geekbench 4 - Multi-Core	7047	3597

Compare specifications (specs)

	Intel Xeon E5-2670 v3	Intel Xeon E3-1281 v3
Essentials
Architecture codename	Haswell	Haswell
Launch date	Q3'14	Q2'14
Place in performance rating	1371	1372
Processor Number	E5-2670V3	E3-1281V3
Series	Intel® Xeon® Processor E5 v3 Family	Intel® Xeon® Processor E3 v3 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.30 GHz	3.70 GHz
Bus Speed	9.6 GT/s QPI	5 GT/s DMI2
Manufacturing process technology	22 nm	22 nm
Maximum core temperature	84.5°C
Maximum frequency	3.10 GHz	4.10 GHz
Number of cores	12	4
Number of QPI Links	2	0
Number of threads	24	8
VID voltage range	0.65V–1.30V
Memory
Max memory channels	4	2
Maximum memory bandwidth	68 GB/s	25.6 GB/s
Maximum memory size	768 GB	32 GB
Supported memory types	DDR4 1600/1866/2133	DDR3 and DDR3L 1333/1600 at 1.5V
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	1
Package Size	52.5mm x 45mm	37.5mm x 37.5mm
Sockets supported	FCLGA2011-3	FCLGA1150
Thermal Design Power (TDP)	120 Watt	82 Watt
Thermal Solution		PCG 2013D
Peripherals
Max number of PCIe lanes	40	16
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16	1x16, 2x8, 1x8/2x4
Scalability	2S	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Anti-Theft technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
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® Fast Memory Access
Intel® Stable Image Platform Program (SIPP)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)