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Intel Xeon Gold 6126T vs Intel Core i5-5257U

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CPU comparison with benchmarks


Intel Xeon Gold 6126T CPU1 vs CPU2 Intel Core i5-5257U
Intel Xeon Gold 6126T Intel Core i5-5257U

CPU comparison

Intel Xeon Gold 6126T or Intel Core i5-5257U - 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 Xeon Gold 6126T has 12 cores with 24 threads and clocks with a maximum frequency of 3.70 GHz. Up to 768 GB of memory is supported in 6 memory channels. The Intel Xeon Gold 6126T was released in Q3/2017.

The Intel Core i5-5257U has 2 cores with 4 threads and clocks with a maximum frequency of 3.10 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core i5-5257U was released in Q1/2015.
Intel Xeon Gold (163) Family Intel Core i5 (336)
Intel Xeon Gold 5100/6100 (34) CPU group Intel Core i 5000U (16)
1 Generation 5
Skylake Architecture Broadwell U
Desktop Segment Notebook
-- Predecessor Intel Core i5-4258U
-- Successor --

CPU Cores and Base Frequency

The Intel Xeon Gold 6126T is a 12 core processor with a clock frequency of 2.60 GHz (3.70 GHz). The Intel Core i5-5257U has 2 CPU cores with a clock frequency of 2.70 GHz (3.10 GHz).
Intel Xeon Gold 6126T Characteristic Intel Core i5-5257U
12 Cores 2
24 Threads 4
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.60 GHz Frequency 2.70 GHz
3.70 GHz Turbo Frequency (1 Core) 3.10 GHz
3.00 GHz Turbo Frequency (All Cores) 3.10 GHz

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.
Intel Xeon Gold 6126T Characteristic Intel Core i5-5257U
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

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.
no iGPU GPU Intel Iris Graphics 6100
GPU frequency 0.30 GHz
-- GPU (Turbo) 1.05 GHz
-- GPU Generation 8
Technology 14 nm
Max. displays 3
-- Compute units 48
-- Shader 384
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 16 GB
-- DirectX Version 11.2

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.
no iGPU GPU Intel Iris Graphics 6100
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 Decode
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode

Memory & PCIe

The Intel Xeon Gold 6126T supports a maximum of 768 GB of memory in 6 memory channels. The Intel Core i5-5257U can connect up to 16 GB of memory in 2 memory channels.
Intel Xeon Gold 6126T Characteristic Intel Core i5-5257U
DDR4-2666 Memory LPDDR3-1866, DDR3-1600
768 GB Max. Memory 16 GB
6 (Hexa Channel) Memory channels 2 (Dual Channel)
128.1 GB/s Max. Bandwidth 29.9 GB/s
Yes ECC No
-- L2 Cache --
19.00 MB L3 Cache 3.00 MB
3.0 PCIe version 2.0
48 PCIe lanes 12
47.3 GB/s PCIe Bandwidth 6.0 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Xeon Gold 6126T has a TDP of 125 W, that of the Intel Core i5-5257U is 28 W.
Intel Xeon Gold 6126T Characteristic Intel Core i5-5257U
125 W TDP (PL1 / PBP) 28 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 23 W
-- Tjunction max. 105 °C

Technical details

The Intel Xeon Gold 6126T has a 19.00 MB cache, while the Intel Core i5-5257U cache has a total of 3.00 MB.
Intel Xeon Gold 6126T Characteristic Intel Core i5-5257U
14 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE4.1, SSE4.2, AVX2
LGA 3647 Socket BGA 1168
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
Q3/2017 Release date Q1/2015
1850 $ Release price --
show more data show more data


Rate these processors

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Here you can rate the Intel Core i5-5257U to help other visitors make their purchasing decisions. The average rating is 3.6 stars (5 ratings). Rate now:

Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Xeon Gold 6126T (100%)
Intel Core i5-5257U (78%)
⌀ Multi core performance in 1 CPU benchmarks
Intel Xeon Gold 6126T (100%)
Intel Core i5-5257U (16%)

Geekbench 6 (Single-Core)

Geekbench 6 is a partial load benchmark for modern computers, notebooks and smartphones. In the single-core test, only the fastest CPU core is measured. The test run simulates the performance in practice.
Intel Xeon Gold 6126T Intel Xeon Gold 6126T
12C 24T @ 3.70 GHz
1238 (100%)
Intel Core i5-5257U Intel Core i5-5257U
2C 4T @ 3.10 GHz
971 (78%)

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 Xeon Gold 6126T Intel Xeon Gold 6126T
12C 24T @ 3.70 GHz
161 (100%)
Intel Core i5-5257U Intel Core i5-5257U
2C 4T @ 3.10 GHz
126 (78%)

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 Xeon Gold 6126T Intel Xeon Gold 6126T
12C 24T @ 3.00 GHz
1996 (100%)
Intel Core i5-5257U Intel Core i5-5257U
2C 4T @ 3.10 GHz
327 (16%)

Geekbench 6 (Multi-Core)

The practical Geekbench 6 multi-core benchmark tests the system's performance under partial load. The processor's maximum power consumption is far from being used up.
Intel Xeon Gold 6126T Intel Xeon Gold 6126T
12C 24T @ 3.00 GHz
0 (0%)
Intel Core i5-5257U Intel Core i5-5257U
2C 4T @ 3.10 GHz
1964 (100%)

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 Xeon Gold 6126T Intel Xeon Gold 6126T
12C 24T @ 3.70 GHz
0 (0%)
Intel Core i5-5257U Intel Core i5-5257U
2C 4T @ 3.10 GHz
760 (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 Xeon Gold 6126T Intel Xeon Gold 6126T
12C 24T @ 3.00 GHz
0 (0%)
Intel Core i5-5257U Intel Core i5-5257U
2C 4T @ 3.10 GHz
1649 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 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 Xeon Gold 6126T Intel Xeon Gold 6126T
12C 24T @ 3.70 GHz
0 (0%)
Intel Core i5-5257U Intel Core i5-5257U
2C 4T @ 3.10 GHz
277 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 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 Xeon Gold 6126T Intel Xeon Gold 6126T
12C 24T @ 3.00 GHz
0 (0%)
Intel Core i5-5257U Intel Core i5-5257U
2C 4T @ 3.10 GHz
706 (100%)

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 Xeon Gold 6126T Intel Xeon Gold 6126T
@ 0.00 GHz
0 (0%)
Intel Core i5-5257U Intel Core i5-5257U
Intel Iris Graphics 6100 @ 1.05 GHz
806 (100%)

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 Xeon Gold 6126T Intel Xeon Gold 6126T
12C 24T @ 3.00 GHz
0 (0%)
Intel Core i5-5257U Intel Core i5-5257U
2C 4T @ 3.10 GHz
3034 (100%)

Devices using this processor
Intel Xeon Gold 6126T Intel Core i5-5257U
Unknown Unknown

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