Intel Pentium 4405Y vs Intel Xeon Gold 6256

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CPU comparison with benchmarks


Intel Pentium 4405Y CPU1 vs CPU2 Intel Xeon Gold 6256
Intel Pentium 4405Y Intel Xeon Gold 6256

CPU comparison

Intel Pentium 4405Y 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 Pentium 4405Y has 2 cores with 4 threads and clocks with a maximum frequency of 1.50 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Pentium 4405Y was released in Q3/2015.

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 Pentium (150) Family Intel Xeon Gold (148)
Intel Pentium 4000 (2) CPU group Intel Xeon Gold 5200/6200 (55)
6 Generation 2
Skylake U Architecture Cascade Lake
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Pentium 4405Y has 2 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Pentium 4405Y is 1.50 GHz while the Intel Xeon Gold 6256 has 12 CPU cores and 24 threads can calculate simultaneously. The clock frequency of the Intel Xeon Gold 6256 is at 3.60 GHz (4.50 GHz).

Intel Pentium 4405Y Characteristic Intel Xeon Gold 6256
2 Cores 12
4 Threads 24
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
1.50 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 Pentium 4405Y Characteristic Intel Xeon Gold 6256
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Pentium 4405Y or Intel Xeon Gold 6256 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

Intel HD Graphics 515 GPU no iGPU
0.30 GHz GPU frequency --
0.80 GHz GPU (Turbo) --
9 GPU Generation --
14 nm Technology
3 Max. displays
24 Compute units --
192 Shader --
No Hardware Raytracing No
No Frame Generation No
16 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 515 GPU no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode 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 Pentium 4405Y can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 25.6 GB/s. The Intel Xeon Gold 6256 supports up to 1024 GB of memory in 6 memory channels and achieves a memory bandwidth of up to 140.7 GB/s.

Intel Pentium 4405Y Characteristic Intel Xeon Gold 6256
LPDDR3-1866, DDR3L-1600 Memory DDR4-2933
16 GB Max. Memory 1024 GB
2 (Dual Channel) Memory channels 6 (Hexa Channel)
25.6 GB/s Max. Bandwidth 140.7 GB/s
No ECC Yes
-- L2 Cache --
4.00 MB L3 Cache 33.00 MB
3.0 PCIe version 3.0
10 PCIe lanes 48
9.9 GB/s PCIe Bandwidth 47.3 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Pentium 4405Y is 6 W, while the Intel Xeon Gold 6256 has a TDP of 205 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Pentium 4405Y Characteristic Intel Xeon Gold 6256
6 W TDP (PL1 / PBP) 205 W
-- TDP (PL2) --
-- TDP up --
4.5 W TDP down --
100 °C Tjunction max. 76 °C

Technical details

The Intel Pentium 4405Y is manufactured in 14 nm and has 4.00 MB cache. The Intel Xeon Gold 6256 is manufactured in 14 nm and has a 33.00 MB cache.

Intel Pentium 4405Y 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 1515 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
Q3/2015 Release date Q1/2020
161 $ Release price 3900 $
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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 Pentium 4405Y Intel Pentium 4405Y
2C 4T @ 1.50 GHz
364 (30%)
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 Pentium 4405Y Intel Pentium 4405Y
2C 4T @ 1.50 GHz
836 (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 Pentium 4405Y Intel Pentium 4405Y
Intel HD Graphics 515 @ 0.80 GHz
307 (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 Pentium 4405Y Intel Pentium 4405Y
2C 4T @ 1.50 GHz
1526 (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 Pentium 4405Y Intel Pentium 4405Y
2C 4T @ 1.50 GHz
64 (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 Pentium 4405Y Intel Pentium 4405Y
2C 4T @ 1.50 GHz
161 (100%)
Intel Xeon Gold 6256 Intel Xeon Gold 6256
12C 24T @ 4.20 GHz
0 (0%)

Devices using this processor

Intel Pentium 4405Y Intel Xeon Gold 6256
Unknown Unknown

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