Intel Core Ultra 5 135H vs Intel Xeon Platinum 8458P

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CPU comparison with benchmarks


Intel Core Ultra 5 135H CPU1 vs CPU2 Intel Xeon Platinum 8458P
Intel Core Ultra 5 135H Intel Xeon Platinum 8458P

CPU comparison

In this CPU comparison, we compare the Intel Core Ultra 5 135H and the Intel Xeon Platinum 8458P and use benchmarks to check which processor is faster.

We compare the Intel Core Ultra 5 135H 14 core processor released in Q4/2023 with the Intel Xeon Platinum 8458P which has 44 CPU cores and was introduced in Q1/2023.
Intel Core Ultra 5 (10) Family Intel Xeon Platinum (89)
Intel Core Ultra 100H (5) CPU group Intel Xeon Platinum 8400 (18)
1 Generation 4
Meteor Lake H Architecture Sapphire Rapids
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core Ultra 5 135H is a 14 core processor with a clock frequency of 1.70 GHz (4.60 GHz). The processor can compute 18 threads at the same time. The Intel Xeon Platinum 8458P clocks with 2.70 GHz (3.80 GHz), has 44 CPU cores and can calculate 88 threads in parallel.

Intel Core Ultra 5 135H Characteristic Intel Xeon Platinum 8458P
14 Cores 44
18 Threads 88
hybrid (big.LITTLE) Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
1.70 GHz (4.60 GHz)
4x Redwood Cove
A-Core 2.70 GHz (3.80 GHz)
1.20 GHz (3.60 GHz)
8x Crestmont
B-Core --
0.70 GHz (2.50 GHz)
2x Crestmont
C-Core --

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 Core Ultra 5 135H Characteristic Intel Xeon Platinum 8458P
Intel® AI Boost AI hardware --
Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT) AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake) GPU no iGPU
0.60 GHz GPU frequency --
2.20 GHz GPU (Turbo) --
-- GPU Generation --
5 nm Technology
4 Max. displays
128 Compute units --
1024 Shader --
Yes Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory --
12.2 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 8 Core Graphics 128 EUs (Meteor 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 Codec VP9 No
Decode Codec VP8 No
Decode / Encode Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

Up to 96 GB of memory in a maximum of 2 memory channels is supported by the Intel Core Ultra 5 135H, while the Intel Xeon Platinum 8458P supports a maximum of 4096 GB of memory with a maximum memory bandwidth of 307.2 GB/s enabled.

Intel Core Ultra 5 135H Characteristic Intel Xeon Platinum 8458P
LPDDR5X-7500, DDR5-5600 Memory DDR5-4400, DDR5-4800
96 GB Max. Memory 4096 GB
2 (Dual Channel) Memory channels 8 (Octa Channel)
120.0 GB/s Max. Bandwidth 307.2 GB/s
No ECC Yes
14.00 MB L2 Cache --
18.00 MB L3 Cache 82.50 MB
5.0 PCIe version 5.0
20 PCIe lanes 80
78.8 GB/s PCIe Bandwidth 315.0 GB/s

Thermal Management

The Intel Core Ultra 5 135H has a TDP of 28 W. The TDP of the Intel Xeon Platinum 8458P is 350 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core Ultra 5 135H Characteristic Intel Xeon Platinum 8458P
28 W TDP (PL1 / PBP) 350 W
115 W TDP (PL2) --
65 W TDP up --
20 W TDP down --
110 °C Tjunction max. --

Technical details

The Intel Core Ultra 5 135H has 32.00 MB cache and is manufactured in 7 nm. The cache of Intel Xeon Platinum 8458P is at 82.50 MB. The processor is manufactured in 10 nm.

Intel Core Ultra 5 135H Characteristic Intel Xeon Platinum 8458P
7 nm Technology 10 nm
Chiplet Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
BGA 2049 Socket LGA 4677
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 11, Linux Operating systems Windows, Linux
Q4/2023 Release date Q1/2023
-- Release price 6759 $
show more data show more data


Rate these processors

Here you can rate the Intel Core Ultra 5 135H to help other visitors make their purchasing decisions. The average rating is 4.5 stars (2 ratings). Rate now:
Here you can rate the Intel Xeon Platinum 8458P to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.60 GHz
100 (100%)
Intel Xeon Platinum 8458P Intel Xeon Platinum 8458P
44C 88T @ 3.80 GHz
0 (0%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.60 GHz
847 (100%)
Intel Xeon Platinum 8458P Intel Xeon Platinum 8458P
44C 88T @ 3.80 GHz
0 (0%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 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 Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.60 GHz
1692 (100%)
Intel Xeon Platinum 8458P Intel Xeon Platinum 8458P
44C 88T @ 3.80 GHz
0 (0%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 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 Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.20 GHz
14771 (100%)
Intel Xeon Platinum 8458P Intel Xeon Platinum 8458P
44C 88T @ 2.70 GHz
0 (0%)

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 Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.60 GHz
1667 (100%)
Intel Xeon Platinum 8458P Intel Xeon Platinum 8458P
44C 88T @ 3.80 GHz
0 (0%)

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 Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.20 GHz
10765 (100%)
Intel Xeon Platinum 8458P Intel Xeon Platinum 8458P
44C 88T @ 2.70 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 Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.60 GHz
2247 (100%)
Intel Xeon Platinum 8458P Intel Xeon Platinum 8458P
44C 88T @ 3.80 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 Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.20 GHz
10239 (100%)
Intel Xeon Platinum 8458P Intel Xeon Platinum 8458P
44C 88T @ 2.70 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 Core Ultra 5 135H Intel Core Ultra 5 135H
Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake) @ 2.20 GHz
4361 (100%)
Intel Xeon Platinum 8458P Intel Xeon Platinum 8458P
@ 0.00 GHz
0 (0%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14,771 CB R23 MC @ 66 W
224 (100%)
Intel Xeon Platinum 8458P Intel Xeon Platinum 8458P
2.70 GHz
0 (0%)

Devices using this processor

Intel Core Ultra 5 135H Intel Xeon Platinum 8458P
Unknown Unknown

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