Intel Xeon Gold 6346 vs Intel Xeon E5-2643 v2

Comparative analysis of Intel Xeon Gold 6346 and Intel Xeon E5-2643 v2 processors for all known characteristics in the following categories: Essentials, Performance, Memory, 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 Gold 6346

Intel Xeon E5-2643 v2

Differences

Reasons to consider the Intel Xeon Gold 6346

CPU is newer: launch date 7 year(s) 7 month(s) later
10 more cores, run more applications at once: 16 vs 6
20 more threads: 32 vs 12
Around 5% higher maximum core temperature: 78°C vs 74°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 10 nm vs 22 nm
2.7x more L1 cache, more data can be stored in the L1 cache for quick access later
10.7x more L2 cache, more data can be stored in the L2 cache for quick access later
2.4x more L3 cache, more data can be stored in the L3 cache for quick access later
8x more maximum memory size: 6 TB vs 768 GB
Around 24% better performance in PassMark - Single thread mark: 2461 vs 1978
3.2x better performance in PassMark - CPU mark: 55568 vs 17175

Specifications (specs)
Launch date	6 Apr 2021 vs September 2013
Number of cores	16 vs 6
Number of threads	32 vs 12
Maximum core temperature	78°C vs 74°C
Manufacturing process technology	10 nm vs 22 nm
L1 cache	1 MB vs 64 KB (per core)
L2 cache	16 MB vs 256 KB (per core)
L3 cache	36 MB vs 15360 KB (shared)
Maximum memory size	6 TB vs 768 GB
Benchmarks
PassMark - Single thread mark	2461 vs 1978
PassMark - CPU mark	55568 vs 17175

Reasons to consider the Intel Xeon E5-2643 v2

Around 6% higher clock speed: 3.80 GHz vs 3.60 GHz
Around 58% lower typical power consumption: 130 Watt vs 205 Watt

Maximum frequency	3.80 GHz vs 3.60 GHz
Thermal Design Power (TDP)	130 Watt vs 205 Watt

Compare benchmarks

CPU 1: Intel Xeon Gold 6346
CPU 2: Intel Xeon E5-2643 v2

PassMark - Single thread mark

CPU 1

CPU 2

2461

1978

PassMark - CPU mark

CPU 1

CPU 2

55568

17175

Name	Intel Xeon Gold 6346	Intel Xeon E5-2643 v2
PassMark - Single thread mark	2461	1978
PassMark - CPU mark	55568	17175
Geekbench 4 - Single Core		3641
Geekbench 4 - Multi-Core		18673

Compare specifications (specs)

	Intel Xeon Gold 6346	Intel Xeon E5-2643 v2
Essentials
Architecture codename	Ice Lake	Ivy Bridge EP
Launch date	6 Apr 2021	September 2013
Launch price (MSRP)	$2708	$2,200
Place in performance rating	349	356
Processor Number	6346	E5-2643V2
Series	3rd Generation Intel Xeon Scalable Processors	Intel® Xeon® Processor E5 v2 Family
Vertical segment	Server	Server
Price now		$2,641.75
Status		Launched
Value for money (0-100)		1.43
Performance
Base frequency	3.10 GHz	3.50 GHz
L1 cache	1 MB	64 KB (per core)
L2 cache	16 MB	256 KB (per core)
L3 cache	36 MB	15360 KB (shared)
Manufacturing process technology	10 nm	22 nm
Maximum core temperature	78°C	74°C
Maximum frequency	3.60 GHz	3.80 GHz
Number of cores	16	6
Number of threads	32	12
64 bit support
Bus Speed		8 GT/s QPI
Die size		160 mm
Number of QPI Links		2
Transistor count		1400 million
VID voltage range		0.65–1.30V
Memory
Max memory channels	8	4
Maximum memory size	6 TB	768 GB
Supported memory frequency	3200 MHz
Supported memory types	DDR4-3200	DDR3 800/1066/1333/1600/1866
ECC memory support
Maximum memory bandwidth		59.7 GB/s
Compatibility
Package Size	77.5mm x 56.5mm	52.5mm x 45mm
Sockets supported	FCLGA4189	FCLGA2011
Thermal Design Power (TDP)	205 Watt	130 Watt
Low Halogen Options Available
Max number of CPUs in a configuration		2
Peripherals
Max number of PCIe lanes	64	40
PCI Express revision	4.0	3.0
Scalability	2S	2S Only
PCIe configurations		x4, x8, x16
Security & Reliability
Execute Disable Bit (EDB)
Intel® Run Sure Technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Advanced Technologies
Instruction set extensions	Intel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512	Intel® AVX
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® Volume Management Device (VMD)
Number of AVX-512 FMA Units	2
Speed Shift technology
Enhanced Intel SpeedStep® technology
Idle States
Intel® Advanced Vector Extensions (AVX)
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® TSX-NI
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)		46-bit
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)