Intel Xeon E5-2643 v4 vs Intel Xeon E3-1280 v5

Comparative analysis of Intel Xeon E5-2643 v4 and Intel Xeon E3-1280 v5 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces, Graphics image quality, Graphics API support. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon E5-2643 v4

Intel Xeon E3-1280 v5

Differences

Reasons to consider the Intel Xeon E5-2643 v4

2 more cores, run more applications at once: 6 vs 4
4 more threads: 12 vs 8
24x more maximum memory size: 1.5 TB vs 64 GB
2.4x better performance in PassMark - CPU mark: 19937 vs 8407
Around 24% better performance in Geekbench 4 - Multi-Core: 19860 vs 15978

Specifications (specs)
Number of cores	6 vs 4
Number of threads	12 vs 8
Maximum memory size	1.5 TB vs 64 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	19937 vs 8407
Geekbench 4 - Multi-Core	19860 vs 15978

Reasons to consider the Intel Xeon E3-1280 v5

Around 8% higher clock speed: 4.00 GHz vs 3.70 GHz
Around 69% lower typical power consumption: 80 Watt vs 135 Watt
Around 2% better performance in PassMark - Single thread mark: 2322 vs 2277
Around 21% better performance in Geekbench 4 - Single Core: 4468 vs 3707

Specifications (specs)
Maximum frequency	4.00 GHz vs 3.70 GHz
Thermal Design Power (TDP)	80 Watt vs 135 Watt
Benchmarks
PassMark - Single thread mark	2322 vs 2277
Geekbench 4 - Single Core	4468 vs 3707

Compare benchmarks

CPU 1: Intel Xeon E5-2643 v4
CPU 2: Intel Xeon E3-1280 v5

PassMark - Single thread mark

CPU 1

CPU 2

2277

2322

PassMark - CPU mark

CPU 1

CPU 2

19937

8407

Geekbench 4 - Single Core

CPU 1

CPU 2

3707

4468

Geekbench 4 - Multi-Core

CPU 1

CPU 2

19860

15978

Name	Intel Xeon E5-2643 v4	Intel Xeon E3-1280 v5
PassMark - Single thread mark	2277	2322
PassMark - CPU mark	19937	8407
Geekbench 4 - Single Core	3707	4468
Geekbench 4 - Multi-Core	19860	15978

Compare specifications (specs)

	Intel Xeon E5-2643 v4	Intel Xeon E3-1280 v5
Essentials
Architecture codename	Broadwell	Skylake
Launch date	Q1'16	5 August 2015
Place in performance rating	262	282
Processor Number	E5-2643V4	E3-1280V5
Series	Intel® Xeon® Processor E5 v4 Family	Intel® Xeon® Processor E3 v5 Family
Status	Launched	Launched
Vertical segment	Server	Server
Launch price (MSRP)		$612
Price now		$690.01
Value for money (0-100)		4.55
Performance
64 bit support
Base frequency	3.40 GHz	3.70 GHz
Bus Speed	9.6 GT/s QPI	8 GT/s DMI3
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	75°C
Maximum frequency	3.70 GHz	4.00 GHz
Number of cores	6	4
Number of QPI Links	2
Number of threads	12	8
VID voltage range	0	0.55V-1.52V
Die size		160 mm
L1 cache		256 KB
L2 cache		1 MB
L3 cache		8 MB
Transistor count		1400 million
Memory
Max memory channels	4	2
Maximum memory bandwidth	76.8 GB/s	34.1 GB/s
Maximum memory size	1.5 TB	64 GB
Supported memory types	DDR4 1600/1866/2133/2400	DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V
ECC memory support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	1
Package Size	45mm x 52.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA2011-3	FCLGA1151
Thermal Design Power (TDP)	135 Watt	80 Watt
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)
Intel® Memory Protection Extensions (Intel® MPX)
Intel® Software Guard Extensions (Intel® SGX)
Secure Boot
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® 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)
AMD Virtualization (AMD-V™)
Graphics
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics		None
Graphics interfaces
Number of displays supported		0
Wireless Display (WiDi) support
Graphics image quality
4K resolution support
Max resolution over DisplayPort		N / A
Max resolution over eDP		N / A
Max resolution over HDMI 1.4		N / A
Max resolution over VGA		N / A
Max resolution over WiDi		N / A
Graphics API support
DirectX		N / A
OpenGL		N / A