Xeon Gold 6434 vs Gold 6256

VS

Aggregate performance score

Xeon Gold 6256
2020
12 cores / 24 threads, 205 Watt
29.44
+88.2%
Xeon Gold 6434
2023
8 cores / 16 threads, 195 Watt
15.64

Xeon Gold 6256 outperforms Xeon Gold 6434 by an impressive 88% based on our aggregate benchmark results.

Primary details

Comparing Xeon Gold 6256 and Xeon Gold 6434 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking146440
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data14.19
Market segmentServerServer
Power efficiency13.587.59
Architecture codenameno dataSapphire Rapids (2023−2024)
Release date1 January 2020 (4 years ago)10 January 2023 (1 year ago)
Launch price (MSRP)no data$2,607

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon Gold 6256 and Xeon Gold 6434 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores12 (Dodeca-Core)8 (Octa-Core)
Threads2416
Base clock speed3.6 GHz3.7 GHz
Boost clock speed4.5 GHz4.1 GHz
L1 cacheno data80K (per core)
L2 cacheno data2 MB (per core)
L3 cache33 MB22.5 MB
Chip lithography14 nmIntel 7 nm
Maximum core temperature64 °Cno data
Maximum case temperature (TCase)no data64 °C
64 bit support-+
Windows 11 compatibility+no data

Compatibility

Information on Xeon Gold 6256 and Xeon Gold 6434 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configurationno data2
SocketFCLGA3647FCLGA4677
Power consumption (TDP)205 Watt195 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6256 and Xeon Gold 6434. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX-+
Enhanced SpeedStep (EIST)++
Speed Shift++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Turbo Boost Max 3.0-no data
Deep Learning Boost++

Security technologies

Xeon Gold 6256 and Xeon Gold 6434 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
SGXno dataYes with Intel® SPS
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6256 and Xeon Gold 6434 are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6256 and Xeon Gold 6434. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2933DDR5-4800, DDR5-4400
Maximum memory size1 TB4 TB
Max memory channels68
ECC memory support++

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6256 and Xeon Gold 6434.

PCIe version3.05
PCI Express lanes4880

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Xeon Gold 6256 29.44
+88.2%
Xeon Gold 6434 15.64

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Xeon Gold 6256 46767
+88.3%
Xeon Gold 6434 24836

Gaming performance

Pros & cons summary


Performance score 29.44 15.64
Recency 1 January 2020 10 January 2023
Physical cores 12 8
Threads 24 16
Power consumption (TDP) 205 Watt 195 Watt

Xeon Gold 6256 has a 88.2% higher aggregate performance score, and 50% more physical cores and 50% more threads.

Xeon Gold 6434, on the other hand, has an age advantage of 3 years, and 5.1% lower power consumption.

The Xeon Gold 6256 is our recommended choice as it beats the Xeon Gold 6434 in performance tests.


Should you still have questions on choice between Xeon Gold 6256 and Xeon Gold 6434, ask them in Comments section, and we shall answer.

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Intel Xeon Gold 6256
Xeon Gold 6256
Intel Xeon Gold 6434
Xeon Gold 6434

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Community ratings

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