Intel Celeron 3965U vs Intel Xeon Gold 6256

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CPU comparison with benchmarks


Intel Celeron 3965U CPU1 vs CPU2 Intel Xeon Gold 6256
Intel Celeron 3965U Intel Xeon Gold 6256

CPU comparison

Intel Celeron 3965U or Intel Xeon Gold 6256 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Celeron 3965U has 2 cores with 2 threads and clocks with a maximum frequency of 2.20 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Celeron 3965U was released in Q1/2017.

The Intel Xeon Gold 6256 has 12 cores with 24 threads and clocks with a maximum frequency of 4.50 GHz. The CPU supports up to 1024 GB of memory in 6 memory channels. The Intel Xeon Gold 6256 was released in Q1/2020.
Intel Celeron (165) Family Intel Xeon Gold (148)
Intel Celeron 3000 (10) CPU group Intel Xeon Gold 5200/6200 (55)
7 Generation 2
Kaby Lake U Architecture Cascade Lake
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Celeron 3965U is a 2 core processor with a clock frequency of 2.20 GHz. The Intel Xeon Gold 6256 has 12 CPU cores with a clock frequency of 3.60 GHz (4.50 GHz).

Intel Celeron 3965U Characteristic Intel Xeon Gold 6256
2 Cores 12
2 Threads 24
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
2.20 GHz Frequency 3.60 GHz
-- Turbo Frequency (1 Core) 4.50 GHz
-- Turbo Frequency (All Cores) 4.20 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Celeron 3965U Characteristic Intel Xeon Gold 6256
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

Intel HD Graphics 610 GPU no iGPU
0.30 GHz GPU frequency --
0.90 GHz GPU (Turbo) --
9.5 GPU Generation --
14 nm Technology
3 Max. displays
12 Compute units --
96 Shader --
No Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory --
12 DirectX Version --

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

Intel HD Graphics 610 GPU no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode / Encode Codec VP9 No
Decode / Encode Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The Intel Celeron 3965U supports a maximum of 32 GB of memory in 2 memory channels. The Intel Xeon Gold 6256 can connect up to 1024 GB of memory in 6 memory channels.

Intel Celeron 3965U Characteristic Intel Xeon Gold 6256
LPDDR3-1866, DDR4-2133, DDR3L-1600 Memory DDR4-2933
32 GB Max. Memory 1024 GB
2 (Dual Channel) Memory channels 6 (Hexa Channel)
34.1 GB/s Max. Bandwidth 140.7 GB/s
No ECC Yes
-- L2 Cache --
2.00 MB L3 Cache 33.00 MB
2.0 PCIe version 3.0
10 PCIe lanes 48
5.0 GB/s PCIe Bandwidth 47.3 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Celeron 3965U has a TDP of 15 W, that of the Intel Xeon Gold 6256 is 205 W.

Intel Celeron 3965U Characteristic Intel Xeon Gold 6256
15 W TDP (PL1 / PBP) 205 W
-- TDP (PL2) --
-- TDP up --
10 W TDP down --
100 °C Tjunction max. 76 °C

Technical details

The Intel Celeron 3965U has a 2.00 MB cache, while the Intel Xeon Gold 6256 cache has a total of 33.00 MB.

Intel Celeron 3965U Characteristic Intel Xeon Gold 6256
14 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
BGA 1356 Socket LGA 3647
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q1/2017 Release date Q1/2020
107 $ Release price 3900 $
show more data show more data


Rate these processors

Here you can rate the Intel Celeron 3965U to help other visitors make their purchasing decisions. The average rating is 5.0 stars (4 ratings). Rate now:
Here you can rate the Intel Xeon Gold 6256 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 0 CPU benchmarks

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Celeron 3965U Intel Celeron 3965U
2C 2T @ 2.20 GHz
560 (46%)
Intel Xeon Gold 6256 Intel Xeon Gold 6256
12C 24T @ 4.50 GHz
1222 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Celeron 3965U Intel Celeron 3965U
2C 2T @ 2.20 GHz
1084 (100%)
Intel Xeon Gold 6256 Intel Xeon Gold 6256
12C 24T @ 4.20 GHz
0 (0%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Celeron 3965U Intel Celeron 3965U
2C 2T @ 2.20 GHz
469 (100%)
Intel Xeon Gold 6256 Intel Xeon Gold 6256
12C 24T @ 4.50 GHz
0 (0%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Celeron 3965U Intel Celeron 3965U
2C 2T @ 2.20 GHz
832 (100%)
Intel Xeon Gold 6256 Intel Xeon Gold 6256
12C 24T @ 4.20 GHz
0 (0%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Celeron 3965U Intel Celeron 3965U
Intel HD Graphics 610 @ 0.90 GHz
173 (100%)
Intel Xeon Gold 6256 Intel Xeon Gold 6256
@ 0.00 GHz
0 (0%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Celeron 3965U Intel Celeron 3965U
2C 2T @ 2.20 GHz
1732 (100%)
Intel Xeon Gold 6256 Intel Xeon Gold 6256
12C 24T @ 4.20 GHz
0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Celeron 3965U Intel Celeron 3965U
2C 2T @ 2.20 GHz
86 (100%)
Intel Xeon Gold 6256 Intel Xeon Gold 6256
12C 24T @ 4.50 GHz
0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Celeron 3965U Intel Celeron 3965U
2C 2T @ 2.20 GHz
168 (100%)
Intel Xeon Gold 6256 Intel Xeon Gold 6256
12C 24T @ 4.20 GHz
0 (0%)

Devices using this processor

Intel Celeron 3965U Intel Xeon Gold 6256
Unknown Unknown

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