Intel Xeon w7-3455 vs Intel Xeon Gold 6126

Comparative analysis of Intel Xeon w7-3455 and Intel Xeon Gold 6126 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 w7-3455

Intel Xeon Gold 6126

Differences

Reasons to consider the Intel Xeon w7-3455

12 more cores, run more applications at once: 24 vs 12
24 more threads: 48 vs 24
Around 30% higher clock speed: 4.8 GHz vs 3.70 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 10 nm vs 14 nm
Around 71% better performance in PassMark - Single thread mark: 3595 vs 2100
Around 82% better performance in PassMark - CPU mark: 58393 vs 32072

Specifications (specs)
Number of cores	24 vs 12
Number of threads	48 vs 24
Maximum frequency	4.8 GHz vs 3.70 GHz
Manufacturing process technology	10 nm vs 14 nm
Benchmarks
PassMark - Single thread mark	3595 vs 2100
PassMark - CPU mark	58393 vs 32072

Reasons to consider the Intel Xeon Gold 6126

2.2x lower typical power consumption: 125 Watt vs 270 Watt

Thermal Design Power (TDP)	125 Watt vs 270 Watt

Compare benchmarks

CPU 1: Intel Xeon w7-3455
CPU 2: Intel Xeon Gold 6126

PassMark - Single thread mark

CPU 1

CPU 2

3595

2100

PassMark - CPU mark

CPU 1

CPU 2

58393

32072

Name	Intel Xeon w7-3455	Intel Xeon Gold 6126
PassMark - Single thread mark	3595	2100
PassMark - CPU mark	58393	32072
Geekbench 4 - Single Core		3997
Geekbench 4 - Multi-Core		28699

Compare specifications (specs)

	Intel Xeon w7-3455	Intel Xeon Gold 6126
Essentials
Launch date	15 Feb 2023	Q3'17
Launch price (MSRP)	$2489
Place in performance rating	110	108
Architecture codename		Skylake
Processor Number		6126
Series		Intel® Xeon® Scalable Processors
Status		Launched
Vertical segment		Server
Performance
Base frequency	2.5 GHz	2.60 GHz
Die size	4x 477 mm²
L1 cache	80 KB (per core)
L2 cache	2 MB (per core)
L3 cache	67.5 MB
Manufacturing process technology	10 nm	14 nm
Maximum case temperature (TCase)	72°C
Maximum frequency	4.8 GHz	3.70 GHz
Number of cores	24	12
Number of threads	48	24
Unlocked
Maximum core temperature		86°C
Number of Ultra Path Interconnect (UPI) Links		3
Memory
ECC memory support
Supported memory types	DDR5	DDR4-2666
Max memory channels		6
Maximum memory size		768 GB
Supported memory frequency		2666 MHz
Compatibility
Max number of CPUs in a configuration	1
Sockets supported	4677	FCLGA3647
Thermal Design Power (TDP)	270 Watt	125 Watt
Low Halogen Options Available
Package Size		76.0mm x 56.5mm
Peripherals
PCIe configurations	Gen 5, 112 Lanes, (CPU only)
Max number of PCIe lanes		48
PCI Express revision		3.0
Scalability		S4S
Security & Reliability
Execute Disable Bit (EDB)
Intel® Run Sure Technology
Intel® Trusted Execution technology (TXT)
Mode-based Execute Control (MBE)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions		Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® Volume Management Device (VMD)
Intel® vPro™ Platform Eligibility
Number of AVX-512 FMA Units		2
Speed Shift technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)