Intel Xeon E3-1246 v3 vs Intel Xeon E5-2620

Comparative analysis of Intel Xeon E3-1246 v3 and Intel Xeon E5-2620 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 E3-1246 v3

Intel Xeon E5-2620

Differences

Reasons to consider the Intel Xeon E3-1246 v3

Around 56% higher clock speed: 3.90 GHz vs 2.50 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
Around 13% lower typical power consumption: 84 Watt vs 95 Watt
Around 96% better performance in PassMark - Single thread mark: 2217 vs 1134
2x better performance in Geekbench 4 - Single Core: 918 vs 451
Around 24% better performance in Geekbench 4 - Multi-Core: 3473 vs 2805
Around 30% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 45.851 vs 35.214

Specifications (specs)
Maximum frequency	3.90 GHz vs 2.50 GHz
Manufacturing process technology	22 nm vs 32 nm
Thermal Design Power (TDP)	84 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark	2217 vs 1134
Geekbench 4 - Single Core	918 vs 451
Geekbench 4 - Multi-Core	3473 vs 2805
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	45.851 vs 35.214

Reasons to consider the Intel Xeon E5-2620

2 more cores, run more applications at once: 6 vs 4
4 more threads: 12 vs 8
12x more maximum memory size: 384 GB vs 32 GB
Around 34% better performance in PassMark - CPU mark: 9790 vs 7292
3.3x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 26.433 vs 7.971
Around 8% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 139.281 vs 129.254
Around 89% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 1.292 vs 0.683
Around 18% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 6.286 vs 5.339

Specifications (specs)
Number of cores	6 vs 4
Number of threads	12 vs 8
Maximum memory size	384 GB vs 32 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	9790 vs 7292
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	26.433 vs 7.971
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	139.281 vs 129.254
CompuBench 1.5 Desktop - T-Rex (Frames/s)	1.292 vs 0.683
CompuBench 1.5 Desktop - Video Composition (Frames/s)	6.286 vs 5.339

Compare benchmarks

CPU 1: Intel Xeon E3-1246 v3
CPU 2: Intel Xeon E5-2620

PassMark - Single thread mark

CPU 1

CPU 2

2217

1134

PassMark - CPU mark

CPU 1

CPU 2

7292

9790

Geekbench 4 - Single Core

CPU 1

CPU 2

918

451

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3473

2805

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

7.971

26.433

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

129.254

139.281

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.683

1.292

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

5.339

6.286

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

45.851

35.214

Name	Intel Xeon E3-1246 v3	Intel Xeon E5-2620
PassMark - Single thread mark	2217	1134
PassMark - CPU mark	7292	9790
Geekbench 4 - Single Core	918	451
Geekbench 4 - Multi-Core	3473	2805
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	7.971	26.433
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	129.254	139.281
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.683	1.292
CompuBench 1.5 Desktop - Video Composition (Frames/s)	5.339	6.286
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	45.851	35.214

Compare specifications (specs)

	Intel Xeon E3-1246 v3	Intel Xeon E5-2620
Essentials
Architecture codename	Haswell	Sandy Bridge EP
Launch date	Q2'14	March 2012
Place in performance rating	1668	1680
Processor Number	E3-1246V3	E5-2620
Series	Intel® Xeon® Processor E3 v3 Family	Intel® Xeon® Processor E5 Family
Status	Launched	Launched
Vertical segment	Server	Server
Launch price (MSRP)		$36
Price now		$34.65
Value for money (0-100)		67.37
Performance
64 bit support
Base frequency	3.50 GHz	2.00 GHz
Bus Speed	5 GT/s DMI2	7.2 GT/s QPI
Manufacturing process technology	22 nm	32 nm
Maximum frequency	3.90 GHz	2.50 GHz
Number of cores	4	6
Number of QPI Links	0	2
Number of threads	8	12
Die size		435 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		15360 KB (shared)
Maximum core temperature		77.4°C
Transistor count		2270 million
VID voltage range		0.60V-1.35V
Memory
Max memory channels	2	4
Maximum memory bandwidth	25.6 GB/s	42.6 GB/s
Maximum memory size	32 GB	384 GB
Supported memory types	DDR3 and DDR3L 1333/1600 at 1.5V	DDR3 800/1066/1333
ECC memory support
Graphics
Execution Units	20
Graphics base frequency	350 MHz
Graphics max dynamic frequency	1.20 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	2
Package Size	37.5mm x 37.5mm	52.5mm x 45.0mm
Sockets supported	FCLGA1150	FCLGA2011
Thermal Design Power (TDP)	84 Watt	95 Watt
Thermal Solution	PCG 2013D
Peripherals
Max number of PCIe lanes	16	40
PCI Express revision	3.0	3.0
PCIe configurations	1x16, 2x8, 1x8/2x4
Scalability	1S Only	2S Only
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® AVX
Intel 64
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® My WiFi technology
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Advanced Vector Extensions (AVX)
Intel® Demand Based Switching
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)