Intel Xeon E3-1276 v3 vs AMD EPYC Embedded 3251

Comparative analysis of Intel Xeon E3-1276 v3 and AMD EPYC Embedded 3251 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, 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 E3-1276 v3

AMD EPYC Embedded 3251

Differences

Reasons to consider the Intel Xeon E3-1276 v3

Around 29% higher clock speed: 4.00 GHz vs 3.1 GHz
Around 21% better performance in PassMark - Single thread mark: 2280 vs 1881

Specifications (specs)
Maximum frequency	4.00 GHz vs 3.1 GHz
Benchmarks
PassMark - Single thread mark	2280 vs 1881

Reasons to consider the AMD EPYC Embedded 3251

Processor is unlocked, an unlocked multiplier allows for easier overclocking
4 more cores, run more applications at once: 8 vs 4
8 more threads: 16 vs 8
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
16x more maximum memory size: 512 GB vs 32 GB
Around 68% lower typical power consumption: 50 Watt vs 84 Watt
Around 85% better performance in PassMark - CPU mark: 13912 vs 7505

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	8 vs 4
Number of threads	16 vs 8
Manufacturing process technology	14 nm vs 22 nm
Maximum memory size	512 GB vs 32 GB
Thermal Design Power (TDP)	50 Watt vs 84 Watt
Benchmarks
PassMark - CPU mark	13912 vs 7505

Compare benchmarks

CPU 1: Intel Xeon E3-1276 v3
CPU 2: AMD EPYC Embedded 3251

PassMark - Single thread mark

CPU 1

CPU 2

2280

1881

PassMark - CPU mark

CPU 1

CPU 2

7505

13912

Name	Intel Xeon E3-1276 v3	AMD EPYC Embedded 3251
PassMark - Single thread mark	2280	1881
PassMark - CPU mark	7505	13912
Geekbench 4 - Single Core	4368
Geekbench 4 - Multi-Core	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 E3-1276 v3	AMD EPYC Embedded 3251
Essentials
Architecture codename	Haswell	Zen
Launch date	Q2'14	21 Feb 2018
Place in performance rating	1182	1187
Processor Number	E3-1276V3
Series	Intel® Xeon® Processor E3 v3 Family
Status	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.60 GHz	2.5 GHz
Bus Speed	5 GT/s DMI2
Manufacturing process technology	22 nm	14 nm
Maximum frequency	4.00 GHz	3.1 GHz
Number of cores	4	8
Number of QPI Links	0
Number of threads	8	16
Die size		192 mm
L1 cache		768 KB
L2 cache		4 MB
L3 cache		16 MB
Transistor count		4800 million
Unlocked
Memory
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	39.74 GB/s
Maximum memory size	32 GB	512 GB
Supported memory types	DDR3 and DDR3L 1333/1600 at 1.5V	DDR4-2666
ECC memory support
Graphics
Execution Units	20
Graphics base frequency	350 MHz
Graphics max dynamic frequency	1.25 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory	1.7 GB
Graphics interfaces
DisplayPort
eDP
HDMI
Number of displays supported	3
VGA
Graphics image quality
Max resolution over DisplayPort	3840x2160@60Hz
Max resolution over HDMI 1.4	3840x2160@60Hz
Max resolution over VGA	2880x1800@60Hz
Graphics API support
DirectX	11.2
OpenGL	4.3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm
Sockets supported	FCLGA1150
Thermal Design Power (TDP)	84 Watt	50 Watt
Thermal Solution	PCG 2013D
Peripherals
Max number of PCIe lanes	16	32
PCI Express revision	3.0	3.0
PCIe configurations	1x16, 2x8, 1x8/2x4	x16, x8, x4, x2
Scalability	1S Only
Integrated LAN
Total number of SATA ports		8
USB revision		3.0
Security & Reliability
Anti-Theft technology
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® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
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™)