Intel Xeon E5-2651 v2 vs Intel Xeon E3-1285 v3

Comparative analysis of Intel Xeon E5-2651 v2 and Intel Xeon E3-1285 v3 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces. Benchmark processor performance analysis: Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, PassMark - Single thread mark, PassMark - CPU mark, CompuBench 1.5 Desktop - Face Detection (mPixels/s).

Intel Xeon E5-2651 v2

Intel Xeon E3-1285 v3

Differences

Reasons to consider the Intel Xeon E5-2651 v2

CPU is newer: launch date 5 month(s) later
8 more cores, run more applications at once: 12 vs 4
16 more threads: 24 vs 8
3x more L1 cache, more data can be stored in the L1 cache for quick access later
3x more L2 cache, more data can be stored in the L2 cache for quick access later
3.8x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 38% better performance in Geekbench 4 - Multi-Core: 18071 vs 13074

Specifications (specs)
Launch date	November 2013 vs June 2013
Number of cores	12 vs 4
Number of threads	24 vs 8
L1 cache	768 KB vs 64 KB (per core)
L2 cache	3 MB vs 256 KB (per core)
L3 cache	30 MB vs 8192 KB (shared)
Max number of CPUs in a configuration	2 vs 1
Benchmarks
Geekbench 4 - Multi-Core	18071 vs 13074

Reasons to consider the Intel Xeon E3-1285 v3

42.7x more maximum memory size: 32 GB vs 768 GB (per socket)
2.1x better performance in Geekbench 4 - Single Core: 4234 vs 2030

Specifications (specs)
Maximum memory size	32 GB vs 768 GB (per socket)
Benchmarks
Geekbench 4 - Single Core	4234 vs 2030

Compare benchmarks

CPU 1: Intel Xeon E5-2651 v2
CPU 2: Intel Xeon E3-1285 v3

Geekbench 4 - Single Core

CPU 1

CPU 2

2030

4234

Geekbench 4 - Multi-Core

CPU 1

CPU 2

18071

13074

Name	Intel Xeon E5-2651 v2	Intel Xeon E3-1285 v3
Geekbench 4 - Single Core	2030	4234
Geekbench 4 - Multi-Core	18071	13074
PassMark - Single thread mark		2213
PassMark - CPU mark		6974
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		18.535

Compare specifications (specs)

	Intel Xeon E5-2651 v2	Intel Xeon E3-1285 v3
Essentials
Architecture codename	Ivy Bridge-EP	Haswell
Family	Intel Xeon E5-2600 v2
Launch date	November 2013	June 2013
Place in performance rating	289	521
Processor Number	E5-2651 v2	E3-1285 v3
Vertical segment	Server	Server
Series		Intel® Xeon® Processor E3 v3 Family
Status		Discontinued
Performance
64 bit support
Base frequency	1800 MHz	3.60 GHz
Bus Speed	5 GT/s DMI	5 GT/s DMI
L1 cache	768 KB	64 KB (per core)
L2 cache	3 MB	256 KB (per core)
L3 cache	30 MB	8192 KB (shared)
Manufacturing process technology	22 nm	22 nm
Number of cores	12	4
Number of threads	24	8
Die size		160 mm
Maximum frequency		4.00 GHz
Number of QPI Links		0
Transistor count		1400 million
Memory
ECC memory support
Max memory channels	4	2
Maximum memory size	768 GB (per socket)	32 GB
Supported memory types	DDR3	DDR3 and DDR3L 1333/1600 at 1.5V
Maximum memory bandwidth		25.6 GB/s
Compatibility
Max number of CPUs in a configuration	2	1
Sockets supported	LGA2011	FCLGA1150
Low Halogen Options Available
Package Size		37.5mm x 37.5mm
Thermal Design Power (TDP)		84 Watt
Thermal Solution		PCG 2013D
Peripherals
PCI Express revision	3.0	3.0
Max number of PCIe lanes		16
PCIe configurations		1x16, 2x8, 1x8/2x4
Scalability		1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Anti-Theft technology
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Flexible Display interface (FDI)
Idle States
Instruction set extensions		Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
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)
Graphics
Graphics base frequency		350 MHz
Graphics max dynamic frequency		1.30 GHz
Graphics max frequency		1.3 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics		Intel HD Graphics P4700
Graphics interfaces
Number of displays supported		3