Intel Xeon E3-1240 v5 vs Intel Xeon E3-1276 v3

Comparative analysis of Intel Xeon E3-1240 v5 and Intel Xeon E3-1276 v3 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics API support. 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 E3-1240 v5

Intel Xeon E3-1276 v3

Differences

Reasons to consider the Intel Xeon E3-1240 v5

A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
2x more maximum memory size: 64 GB vs 32 GB
Around 5% lower typical power consumption: 80 Watt vs 84 Watt
Around 1% better performance in PassMark - Single thread mark: 2295 vs 2266
Around 11% better performance in PassMark - CPU mark: 8251 vs 7448

Specifications (specs)
Manufacturing process technology	14 nm vs 22 nm
Maximum memory size	64 GB vs 32 GB
Thermal Design Power (TDP)	80 Watt vs 84 Watt
Benchmarks
PassMark - Single thread mark	2295 vs 2266
PassMark - CPU mark	8251 vs 7448

Reasons to consider the Intel Xeon E3-1276 v3

Around 3% higher clock speed: 4.00 GHz vs 3.90 GHz
4.3x better performance in Geekbench 4 - Single Core: 4368 vs 1019
3.5x better performance in Geekbench 4 - Multi-Core: 13953 vs 4008

Specifications (specs)
Maximum frequency	4.00 GHz vs 3.90 GHz
Benchmarks
Geekbench 4 - Single Core	4368 vs 1019
Geekbench 4 - Multi-Core	13953 vs 4008

Compare benchmarks

CPU 1: Intel Xeon E3-1240 v5
CPU 2: Intel Xeon E3-1276 v3

PassMark - Single thread mark

CPU 1

CPU 2

2295

2266

PassMark - CPU mark

CPU 1

CPU 2

8251

7448

Geekbench 4 - Single Core

CPU 1

CPU 2

1019

4368

Geekbench 4 - Multi-Core

CPU 1

CPU 2

4008

13953

Name	Intel Xeon E3-1240 v5	Intel Xeon E3-1276 v3
PassMark - Single thread mark	2295	2266
PassMark - CPU mark	8251	7448
Geekbench 4 - Single Core	1019	4368
Geekbench 4 - Multi-Core	4008	13953
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		16.022
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		17.222
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.603
CompuBench 1.5 Desktop - Video Composition (Frames/s)		3.999
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		5.686

Compare specifications (specs)

	Intel Xeon E3-1240 v5	Intel Xeon E3-1276 v3
Essentials
Architecture codename	Skylake	Haswell
Launch date	Q4'15	Q2'14
Place in performance rating	1272	1101
Processor Number	E3-1240V5	E3-1276V3
Series	Intel® Xeon® Processor E3 v5 Family	Intel® Xeon® Processor E3 v3 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.50 GHz	3.60 GHz
Bus Speed	8 GT/s DMI3	5 GT/s DMI2
Manufacturing process technology	14 nm	22 nm
Maximum frequency	3.90 GHz	4.00 GHz
Number of cores	4	4
Number of threads	8	8
VID voltage range	0.55V-1.52V
Number of QPI Links		0
Memory
Max memory channels	2	2
Maximum memory bandwidth	34.1 GB/s	25.6 GB/s
Maximum memory size	64 GB	32 GB
Supported memory types	DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V	DDR3 and DDR3L 1333/1600 at 1.5V
Graphics
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Execution Units		20
Graphics base frequency		350 MHz
Graphics max dynamic frequency		1.25 GHz
Intel® Flexible Display Interface (Intel® FDI)
Max video memory		1.7 GB
Graphics interfaces
Number of displays supported	0	3
DisplayPort
eDP
HDMI
VGA
Graphics image quality
4K resolution support
Max resolution over DisplayPort		3840x2160@60Hz
Max resolution over HDMI 1.4		3840x2160@60Hz
Max resolution over VGA		2880x1800@60Hz
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA1151	FCLGA1150
Thermal Design Power (TDP)	80 Watt	84 Watt
Thermal Solution		PCG 2013D
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	3.0	3.0
PCIe configurations	1x16, 2x8, 1x8+2x4	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
Anti-Theft technology
Intel® Identity Protection technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Fast Memory Access
Intel® Flex 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)
Graphics API support
DirectX		11.2
OpenGL		4.3