Intel Core i7-1255UL vs Intel Xeon D-1653N

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CPU comparison with benchmarks


Intel Core i7-1255UL CPU1 vs CPU2 Intel Xeon D-1653N
Intel Core i7-1255UL Intel Xeon D-1653N

CPU comparison

Intel Core i7-1255UL or Intel Xeon D-1653N - 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 Core i7-1255UL has 10 cores with 12 threads and clocks with a maximum frequency of 4.70 GHz. Up to 64 GB of memory is supported in 2 memory channels. The Intel Core i7-1255UL was released in Q3/2022.

The Intel Xeon D-1653N has 8 cores with 16 threads and clocks with a maximum frequency of 3.20 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Xeon D-1653N was released in Q2/2019.
Intel Core i7 (298) Family Intel Xeon D (79)
Intel Core i 1200P/1200U (21) CPU group Intel Xeon D-1600 (8)
12 Generation 3
Alder Lake U Architecture Hewitt Lake
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i7-1255UL is a 10 core processor with a clock frequency of 2.60 GHz (4.70 GHz). The Intel Xeon D-1653N has 8 CPU cores with a clock frequency of 2.80 GHz (3.20 GHz).

Intel Core i7-1255UL Characteristic Intel Xeon D-1653N
10 Cores 8
12 Threads 16
hybrid (big.LITTLE) Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.60 GHz (4.70 GHz)
2x Golden Cove
A-Core 2.80 GHz (3.20 GHz)
1.20 GHz (3.50 GHz)
8x Gracemont
B-Core --

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 Core i7-1255UL Characteristic Intel Xeon D-1653N
-- 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 Iris Xe Graphics 96 (Alder Lake) GPU no iGPU
0.35 GHz GPU frequency --
1.25 GHz GPU (Turbo) --
13 GPU Generation --
10 nm Technology
4 Max. displays
96 Compute units --
768 Shader --
No Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory --
12.1 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 Iris Xe Graphics 96 (Alder Lake) 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 Codec VP8 No
Decode Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The Intel Core i7-1255UL supports a maximum of 64 GB of memory in 2 memory channels. The Intel Xeon D-1653N can connect up to 128 GB of memory in 2 memory channels.

Intel Core i7-1255UL Characteristic Intel Xeon D-1653N
DDR5-4800, DDR4-3200 Memory DDR4-2400
64 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
76.8 GB/s Max. Bandwidth 38.4 GB/s
No ECC Yes
6.50 MB L2 Cache 12.00 MB
12.00 MB L3 Cache --
4.0 PCIe version 3.0
28 PCIe lanes 32
55.1 GB/s PCIe Bandwidth 31.5 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i7-1255UL has a TDP of 15 W, that of the Intel Xeon D-1653N is 65 W.

Intel Core i7-1255UL Characteristic Intel Xeon D-1653N
15 W TDP (PL1 / PBP) 65 W
55 W TDP (PL2) --
28 W TDP up --
12 W TDP down --
100 °C Tjunction max. --

Technical details

The Intel Core i7-1255UL has a 18.50 MB cache, while the Intel Xeon D-1653N cache has a total of 12.00 MB.

Intel Core i7-1255UL Characteristic Intel Xeon D-1653N
10 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
BGA 1744 Socket BGA 1667
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q3/2022 Release date Q2/2019
-- Release price 800 $
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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 Core i7-1255UL Intel Core i7-1255UL
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.25 GHz
1916 (100%)
Intel Xeon D-1653N Intel Xeon D-1653N
@ 0.00 GHz
0 (0%)

Devices using this processor

Intel Core i7-1255UL Intel Xeon D-1653N
Unknown Unknown

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