Intel Xeon Silver 4509Y vs Intel Xeon Gold 6256

Comparative analysis of Intel Xeon Silver 4509Y and Intel Xeon Gold 6256 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.

Intel Xeon Silver 4509Y

Intel Xeon Gold 6256

Differences

Reasons to consider the Intel Xeon Silver 4509Y

Around 56% higher maximum core temperature: 100°C vs 64°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 10 nm vs 14 nm
Around 64% lower typical power consumption: 125 Watt vs 205 Watt
Around 5% better performance in PassMark - Single thread mark: 2774 vs 2634

Specifications (specs)
Maximum core temperature	100°C vs 64°C
Manufacturing process technology	10 nm vs 14 nm
Thermal Design Power (TDP)	125 Watt vs 205 Watt
Benchmarks
PassMark - Single thread mark	2774 vs 2634

Reasons to consider the Intel Xeon Gold 6256

4 more cores, run more applications at once: 12 vs 8
8 more threads: 24 vs 16
Around 10% higher clock speed: 4.50 GHz vs 4.1 GHz
Around 47% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 13% better performance in PassMark - CPU mark: 46766 vs 41561

Specifications (specs)
Number of cores	12 vs 8
Number of threads	24 vs 16
Maximum frequency	4.50 GHz vs 4.1 GHz
L3 cache	33 MB vs 22.5 MB (shared)
Benchmarks
PassMark - CPU mark	46766 vs 41561

Compare benchmarks

CPU 1: Intel Xeon Silver 4509Y
CPU 2: Intel Xeon Gold 6256

PassMark - Single thread mark

CPU 1

CPU 2

2774

2634

PassMark - CPU mark

CPU 1

CPU 2

41561

46766

Name	Intel Xeon Silver 4509Y	Intel Xeon Gold 6256
PassMark - Single thread mark	2774	2634
PassMark - CPU mark	41561	46766

Compare specifications (specs)

	Intel Xeon Silver 4509Y	Intel Xeon Gold 6256
Essentials
Launch date	14 Dec 2023	Q1'20
Launch price (MSRP)	$563	$4466
Place in performance rating	390	382
Architecture codename		Cascade Lake
Processor Number		6256
Series		2nd Generation Intel Xeon Scalable Processors
Vertical segment		Server
Performance
Base frequency	2.6 GHz	3.60 GHz
L1 cache	80 KB (per core)
L2 cache	2 MB (per core)
L3 cache	22.5 MB (shared)	33 MB
Manufacturing process technology	10 nm	14 nm
Maximum case temperature (TCase)	84°C
Maximum core temperature	100°C	64°C
Maximum frequency	4.1 GHz	4.50 GHz
Number of cores	8	12
Number of threads	16	24
Unlocked
Memory
ECC memory support
Supported memory types	DDR5	DDR4-2933
Max memory channels		6
Maximum memory size		1 TB
Supported memory frequency		2933 MHz
Compatibility
Max number of CPUs in a configuration	2
Sockets supported	4677	FCLGA3647
Thermal Design Power (TDP)	125 Watt	205 Watt
Package Size		76.0mm x 56.5mm
Peripherals
PCIe configurations	Gen 5, 80 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)
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® Turbo Boost technology
Intel® Volume Management Device (VMD)
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)