Intel Xeon Platinum 8276 vs Intel Xeon Platinum 8256

Comparative analysis of Intel Xeon Platinum 8276 and Intel Xeon Platinum 8256 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 Platinum 8276

Intel Xeon Platinum 8256

Differences

Reasons to consider the Intel Xeon Platinum 8276

24 more cores, run more applications at once: 28 vs 4
48 more threads: 56 vs 8
Around 3% higher clock speed: 4.00 GHz vs 3.90 GHz
Around 24% higher maximum core temperature: 89°C vs 72°C
7x more L1 cache, more data can be stored in the L1 cache for quick access later
7x more L2 cache, more data can be stored in the L2 cache for quick access later
2.3x more L3 cache, more data can be stored in the L3 cache for quick access later

Number of cores	28 vs 4
Number of threads	56 vs 8
Maximum frequency	4.00 GHz vs 3.90 GHz
Maximum core temperature	89°C vs 72°C
L1 cache	1792 KB vs 256 KB
L2 cache	28 MB vs 4 MB
L3 cache	38.5 MB vs 16.5 MB

Reasons to consider the Intel Xeon Platinum 8256

Around 57% lower typical power consumption: 105 Watt vs 165 Watt

Thermal Design Power (TDP)	105 Watt vs 165 Watt

Compare benchmarks

CPU 1: Intel Xeon Platinum 8276
CPU 2: Intel Xeon Platinum 8256

Name	Intel Xeon Platinum 8276	Intel Xeon Platinum 8256
PassMark - Single thread mark		2336
PassMark - CPU mark		16787

Compare specifications (specs)

	Intel Xeon Platinum 8276	Intel Xeon Platinum 8256
Essentials
Architecture codename	Cascade Lake	Cascade Lake
Launch date	11 Dec 2018	11 Dec 2018
Launch price (MSRP)	$9981	$8030
Place in performance rating	not rated	811
Processor Number	8276	8256
Series	2nd Generation Intel Xeon Scalable Processors	2nd Generation Intel Xeon Scalable Processors
Vertical segment	Server	Server
Performance
Base frequency	2.20 GHz	3.80 GHz
L1 cache	1792 KB	256 KB
L2 cache	28 MB	4 MB
L3 cache	38.5 MB	16.5 MB
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	89°C	72°C
Maximum frequency	4.00 GHz	3.90 GHz
Number of cores	28	4
Number of threads	56	8
Memory
Max memory channels	6	6
Maximum memory size	1 TB	1 TB
Supported memory frequency	2933 MHz	2933 MHz
Supported memory types	DDR4-2933	DDR4-2933
Compatibility
Package Size	76.0mm x 56.5mm	76.0mm x 56.5mm
Sockets supported	FCLGA3647	FCLGA3647
Thermal Design Power (TDP)	165 Watt	105 Watt
Peripherals
Max number of PCIe lanes	48	48
PCI Express revision	3.0	3.0
Scalability	S8S	S8S
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 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	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)