Intel Core i7-1255UL vs Intel Core i7-3720QM

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-1255UL or Intel Core i7-1255UL – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i7-1255UL features 10 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q3/2022 and belongs to the 12 generation of the Intel Core i7 series.
To use the Intel Core i7-1255UL, you'll need a motherboard with a BGA 1744 socket.
The Intel Core i7-3720QM features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2012 and belongs to the 3 generation of the Intel Core i7 series.
To use the Intel Core i7-3720QM, you'll need a motherboard with a BGA 1224 socket.
12 Generation 3
Intel Core i7 Family Intel Core i7
Intel Core i 1200P/1200U Group Intel Core i 3000M
Intel Core i7-1255UL Name Intel Core i7-3720QM
Mobile Segment Mobile
 
 

CPU Cores and Base Frequency

The Intel Core i7-1255UL has 10 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the A-Core is 2.6 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
Processors with hybrid (big.LITTLE) architecture strike a balance between performance and power efficiency, making them ideal for mobile devices.
The Intel Core i7-3720QM has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-3720QM is 2.6 GHz
and turbo frequency for one core is 3.6 GHz.
4.7 GHz A-Core Frequency Turbo None
10 CPU Cores 4
1.2 GHz B-Core Frequency None
12 Threads 8
None None 3.6 GHz
3.5 GHz B-Core Frequency Turbo None
None None 2.6 GHz
None None 4x
hybrid (big.LITTLE) Core architecture normal
No Overclocking No
2.6 GHz A-Core Frequency None
Yes Hyperthreading Yes
8x Gracemont Cores B None
2x Golden Cove Cores A None
 
 

Internal Graphics

The Intel Core i7-1255UL has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-1255UL uses the Intel Iris Xe Graphics 96 (Alder Lake), which has 768 texture shaders
and 96 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i7-3720QM has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-3720QM uses the Intel HD Graphics 4000, which has 128 texture shaders
and 16 execution units.
13 Generation 7
Q1/2022 Release date Q1/2011
-- Max. displays --
96 Execution units 16
768 Shaders 128
1.25 GHz GPU (Turbo) 1.25 GHz
0.35 GHz GPU frequency 0.65 GHz
10 nm Technology 22 nm
Intel Iris Xe Graphics 96 (Alder Lake) GPU name Intel HD Graphics 4000
32.0 GB Max. GPU Memory 2.0 GB
12.1 Direct X 11.0
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

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.
Decode / Encode JPEG Decode
Decode / Encode h264 Decode / Encode
Decode AV1 No
Decode / Encode VP9 No
Decode / Encode h265 / HEVC (10 bit) No
Decode / Encode AVC Decode / Encode
Decode / Encode h265 / HEVC (8 bit) No
Decode VP8 No
Decode VC-1 Decode
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 76.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 32.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 25.6 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 2
64.0 GB Max. Memory 32.0 GB
DDR4-3200, DDR5-4800 Memory type DDR3L-1600, DDR3L-1333, DDR3-1333, DDR3-1600
Yes AES-NI Yes
76.8 GB/s Bandwidth 25.6 GB/s
No ECC No
pci PCIe pci
 
 

Thermal Management

The processor has a thermal design power (TDP) of 15 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 45 W watts.
28 W TDP up None
15 W TDP (PL1 / PBP) 45 W
100 °C Tjunction max 105 °C
12 W TDP down None
55 W TDP (PL2) None
 
 

Technical details

The Intel Core i7-1255UL is manufactured using a 10 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 12.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-3720QM is manufactured using a 22 nm process.
In total, this processor boasts a generous 6.0 MB cache.
Q3/2022 Release date Q2/2012
Alder Lake U Architecture Ivy Bridge H
Technical data sheet Documents Technical data sheet
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
Monolithic Chip design Monolithic
12.0 MB L3-Cache 6.0 MB
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX
10 nm Technology 22 nm
BGA 1744 Socket BGA 1224
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
-- Release price 363 $
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
6.5 MB L2-Cache 0 bytes