Intel Xeon E3-1275 v6 vs Intel Xeon D-2146NT

Comparative analysis of Intel Xeon E3-1275 v6 and Intel Xeon D-2146NT processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, 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 E3-1275 v6

Intel Xeon D-2146NT

Differences

Reasons to consider the Intel Xeon E3-1275 v6

Around 40% higher clock speed: 4.20 GHz vs 3.00 GHz
Around 10% lower typical power consumption: 73 Watt vs 80 Watt
Around 41% better performance in PassMark - Single thread mark: 2546 vs 1802

Specifications (specs)
Maximum frequency	4.20 GHz vs 3.00 GHz
Thermal Design Power (TDP)	73 Watt vs 80 Watt
Benchmarks
PassMark - Single thread mark	2546 vs 1802

Reasons to consider the Intel Xeon D-2146NT

4 more cores, run more applications at once: 8 vs 4
8 more threads: 16 vs 8
8x more maximum memory size: 512 GB vs 64 GB
Around 27% better performance in PassMark - CPU mark: 11736 vs 9254

Specifications (specs)
Number of cores	8 vs 4
Number of threads	16 vs 8
Maximum memory size	512 GB vs 64 GB
Benchmarks
PassMark - CPU mark	11736 vs 9254

Compare benchmarks

CPU 1: Intel Xeon E3-1275 v6
CPU 2: Intel Xeon D-2146NT

PassMark - Single thread mark

CPU 1

CPU 2

2546

1802

PassMark - CPU mark

CPU 1

CPU 2

9254

11736

Name	Intel Xeon E3-1275 v6	Intel Xeon D-2146NT
PassMark - Single thread mark	2546	1802
PassMark - CPU mark	9254	11736
Geekbench 4 - Single Core	1103
Geekbench 4 - Multi-Core	4237

Compare specifications (specs)

	Intel Xeon E3-1275 v6	Intel Xeon D-2146NT
Essentials
Architecture codename	Kaby Lake	Skylake
Launch date	Q1'17	Q1'18
Place in performance rating	1145	1155
Processor Number	E3-1275V6	D-2146NT
Series	Intel® Xeon® Processor E3 v6 Family	Intel® Xeon® D Processor
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.80 GHz	2.30 GHz
Bus Speed	8 GT/s DMI3
Manufacturing process technology	14 nm	14 nm
Maximum frequency	4.20 GHz	3.00 GHz
Number of cores	4	8
Number of threads	8	16
VID voltage range	0.55V-1.52V
Number of Ultra Path Interconnect (UPI) Links		0
Memory
Max memory channels	2	4
Maximum memory bandwidth	37.5 GB/s
Maximum memory size	64 GB	512 GB
Supported memory types	DDR4-2400, DDR3L-1866	DDR4
Supported memory frequency		2133 MHz
Graphics
Device ID	0x591D
Graphics base frequency	350 MHz
Graphics max dynamic frequency	1.15 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory	64 GB
Processor graphics	Intel® HD Graphics P630
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported	3
Graphics image quality
4K resolution support
Max resolution over DisplayPort	4096x2304@60Hz
Max resolution over eDP	4096x2304@60Hz
Max resolution over HDMI 1.4	4096x2160@24Hz
Graphics API support
DirectX	12
OpenGL	4.4
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm
Sockets supported	FCLGA1151	FCBGA2518
Thermal Design Power (TDP)	73 Watt	80 Watt
Peripherals
Max number of PCIe lanes	16	32
PCI Express revision	3.0	3.0
PCIe configurations	1x16, 2x8, 1x8+2x4	>
Scalability	1S Only	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Integrated Intel® QuickAssist Technology
Intel® Volume Management Device (VMD)
Number of AVX-512 FMA Units		1
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)