Intel Core Ultra 5 135H vs Intel Core2 Duo T5870

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CPU comparison with benchmarks


Intel Core Ultra 5 135H CPU1 vs CPU2 Intel Core2 Duo T5870
Intel Core Ultra 5 135H Intel Core2 Duo T5870

CPU comparison

In this CPU comparison, we compare the Intel Core Ultra 5 135H and the Intel Core2 Duo T5870 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 Core2 Duo T5870 which has 2 CPU cores and was introduced in .
Intel Core Ultra 5 (10) Family Intel Celeron (165)
Intel Core Ultra 100H (5) CPU group Intel Core 2 Duo L7000/SL7000/T5000/U7000 (18)
1 Generation 1
Meteor Lake H Architecture Merom (Core)
Mobile Segment Mobile
-- 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 Core2 Duo T5870 clocks with 2.00 GHz, has 2 CPU cores and can calculate 2 threads in parallel.

Intel Core Ultra 5 135H Characteristic Intel Core2 Duo T5870
14 Cores 2
18 Threads 2
hybrid (big.LITTLE) Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
1.70 GHz (4.60 GHz)
4x Redwood Cove
A-Core 2.00 GHz
1.20 GHz (3.60 GHz)
8x Crestmont
B-Core --
0.70 GHz (2.50 GHz)
2x Crestmont
C-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 Ultra 5 135H Characteristic Intel Core2 Duo T5870
Intel AI engine AI hardware --
Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT) AI specifications --

Internal Graphics

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 Core2 Duo T5870 supports a maximum of GB of memory with a maximum memory bandwidth of -- enabled.

Intel Core Ultra 5 135H Characteristic Intel Core2 Duo T5870
LPDDR5X-7500, DDR5-5600 Memory
96 GB Max. Memory
2 (Dual Channel) Memory channels 0
120.0 GB/s Max. Bandwidth --
No ECC No
14.00 MB L2 Cache 2.00 MB
18.00 MB L3 Cache --
5.0 PCIe version --
20 PCIe lanes --
78.8 GB/s PCIe Bandwidth --

Thermal Management

The Intel Core Ultra 5 135H has a TDP of 28 W. The TDP of the Intel Core2 Duo T5870 is 35 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core Ultra 5 135H Characteristic Intel Core2 Duo T5870
28 W TDP (PL1 / PBP) 35 W
115 W TDP (PL2) --
65 W TDP up --
20 W TDP down --
110 °C Tjunction max. 100 °C

Technical details

The Intel Core Ultra 5 135H has 32.00 MB cache and is manufactured in 7 nm. The cache of Intel Core2 Duo T5870 is at 2.00 MB. The processor is manufactured in 65 nm.

Intel Core Ultra 5 135H Characteristic Intel Core2 Duo T5870
7 nm Technology 65 nm
Chiplet Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions MMX, SSE, SSE2, SSE3
BGA 2049 Socket --
VT-x, VT-x EPT, VT-d Virtualization VT-x
Yes AES-NI No
Windows 11, Linux Operating systems
Q4/2023 Release date
-- Release price --
show more data show more data


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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 Core2 Duo T5870 Intel Core2 Duo T5870
2C 2T @ 2.00 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 Core2 Duo T5870 Intel Core2 Duo T5870
2C 2T @ 2.00 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 Core2 Duo T5870 Intel Core2 Duo T5870
2C 2T @ 2.00 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 Core2 Duo T5870 Intel Core2 Duo T5870
2C 2T @ 2.00 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 Core2 Duo T5870 Intel Core2 Duo T5870
2C 2T @ 2.00 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 Core2 Duo T5870 Intel Core2 Duo T5870
2C 2T @ 2.00 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 Core2 Duo T5870 Intel Core2 Duo T5870
2C 2T @ 2.00 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 Core2 Duo T5870 Intel Core2 Duo T5870
2C 2T @ 2.00 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 Core2 Duo T5870 Intel Core2 Duo T5870
@ 0.00 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 1.70 GHz
0 (0%)
Intel Core2 Duo T5870 Intel Core2 Duo T5870
2C 2T @ 2.00 GHz
314 (100%)

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 Core2 Duo T5870 Intel Core2 Duo T5870
2.00 GHz
0 (0%)

Devices using this processor

Intel Core Ultra 5 135H Intel Core2 Duo T5870
Unknown Unknown

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