Intel Core Ultra 5 125U vs Intel Core i5-3339Y

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CPU comparison with benchmarks


Intel Core Ultra 5 125U CPU1 vs CPU2 Intel Core i5-3339Y
Intel Core Ultra 5 125U Intel Core i5-3339Y

CPU comparison

Intel Core Ultra 5 125U or Intel Core i5-3339Y - 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 Ultra 5 125U has 12 cores with 14 threads and clocks with a maximum frequency of 4.30 GHz. Up to 96 GB of memory is supported in 2 memory channels. The Intel Core Ultra 5 125U was released in Q4/2023.

The Intel Core i5-3339Y has 2 cores with 4 threads and clocks with a maximum frequency of 2.00 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Core i5-3339Y was released in Q1/2013.
Intel Core Ultra 5 (10) Family Intel Core i5 (331)
Intel Core Ultra 100U (7) CPU group Intel Core i 3000Y (4)
1 Generation 3
Meteor Lake U Architecture Ivy Bridge Y
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core Ultra 5 125U has 12 CPU cores and can calculate 14 threads in parallel. The clock frequency of the Intel Core Ultra 5 125U is 1.30 GHz (4.30 GHz) while the Intel Core i5-3339Y has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Core i5-3339Y is at 1.50 GHz (2.00 GHz).

Intel Core Ultra 5 125U Characteristic Intel Core i5-3339Y
12 Cores 2
14 Threads 4
hybrid (big.LITTLE) Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
1.30 GHz (4.30 GHz)
2x Redwood Cove
A-Core 1.50 GHz (2.00 GHz)
0.80 GHz (3.60 GHz)
8x Crestmont
B-Core --
0.70 GHz (2.10 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 125U Characteristic Intel Core i5-3339Y
Intel® AI Boost AI hardware --
Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT) AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The Intel Core Ultra 5 125U or Intel Core i5-3339Y 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 Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) GPU Intel HD Graphics 4000
0.60 GHz GPU frequency 0.35 GHz
1.85 GHz GPU (Turbo) 0.85 GHz
-- GPU Generation 7
5 nm Technology 22 nm
4 Max. displays 3
64 Compute units 16
512 Shader 128
Yes Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory 2 GB
12.2 DirectX Version 11.0

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 4 Core Graphics 64 EUs (Meteor Lake) GPU Intel HD Graphics 4000
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 Decode / Encode
Decode Codec VP9 No
Decode Codec VP8 No
Decode / Encode Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode

Memory & PCIe

The Intel Core Ultra 5 125U can use up to 96 GB of memory in 2 memory channels. The maximum memory bandwidth is 120.0 GB/s. The Intel Core i5-3339Y supports up to 32 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 25.6 GB/s.

Intel Core Ultra 5 125U Characteristic Intel Core i5-3339Y
LPDDR5X-7500, DDR5-5600 Memory DDR3-1600
96 GB Max. Memory 32 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
120.0 GB/s Max. Bandwidth 25.6 GB/s
No ECC No
12.00 MB L2 Cache --
-- L3 Cache 3.00 MB
4.0 PCIe version 2.0
20 PCIe lanes 16
39.4 GB/s PCIe Bandwidth 8.0 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Core Ultra 5 125U is 15 W, while the Intel Core i5-3339Y has a TDP of 13 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core Ultra 5 125U Characteristic Intel Core i5-3339Y
15 W TDP (PL1 / PBP) 13 W
57 W TDP (PL2) --
28 W TDP up --
12 W TDP down 7 W
110 °C Tjunction max. 105 °C

Technical details

The Intel Core Ultra 5 125U is manufactured in 7 nm and has 12.00 MB cache. The Intel Core i5-3339Y is manufactured in 22 nm and has a 3.00 MB cache.

Intel Core Ultra 5 125U Characteristic Intel Core i5-3339Y
7 nm Technology 22 nm
Chiplet 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, AVX
BGA 2049 Socket BGA 1023
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
Yes AES-NI Yes
Windows 11, Linux Operating systems Windows 10, Linux
Q4/2023 Release date Q1/2013
-- Release price --
show more data show more data


Rate these processors

Here you can rate the Intel Core Ultra 5 125U to help other visitors make their purchasing decisions. The average rating is 4.2 stars (5 ratings). Rate now:
Here you can rate the Intel Core i5-3339Y to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


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 125U Intel Core Ultra 5 125U
Intel Iris Xe 4 Core Graphics 64 EUs (Meteor Lake) @ 1.85 GHz
1835 (100%)
Intel Core i5-3339Y Intel Core i5-3339Y
Intel HD Graphics 4000 @ 0.85 GHz
218 (12%)

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 125U Intel Core Ultra 5 125U
12C 14T @ 4.30 GHz
0 (0%)
Intel Core i5-3339Y Intel Core i5-3339Y
2C 4T @ 2.00 GHz
412 (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 Core Ultra 5 125U Intel Core Ultra 5 125U
12C 14T @ 1.30 GHz
0 (0%)
Intel Core i5-3339Y Intel Core i5-3339Y
2C 4T @ 1.50 GHz
874 (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 Core Ultra 5 125U Intel Core Ultra 5 125U
12C 14T @ 1.30 GHz
0 (0%)
Intel Core i5-3339Y Intel Core i5-3339Y
2C 4T @ 1.50 GHz
1586 (100%)

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 Core Ultra 5 125U Intel Core Ultra 5 125U
12C 14T @ 4.30 GHz
0 (0%)
Intel Core i5-3339Y Intel Core i5-3339Y
2C 4T @ 2.00 GHz
71 (100%)

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 Core Ultra 5 125U Intel Core Ultra 5 125U
12C 14T @ 1.30 GHz
0 (0%)
Intel Core i5-3339Y Intel Core i5-3339Y
2C 4T @ 1.50 GHz
164 (100%)

Devices using this processor

Intel Core Ultra 5 125U Intel Core i5-3339Y
Unknown Unknown

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