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.
Intel Core i7 Family Intel Core i7
Mobile Segment Mobile
Intel Core i 1200P/1200U Group Intel Core i 3000M
12 Generation 3
Intel Core i7-1255UL Name Intel Core i7-3720QM
 
 

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.
hybrid (big.LITTLE) Core architecture normal
10 CPU Cores 4
No Overclocking No
8x Gracemont Cores B None
None None 3.6 GHz
Yes Hyperthreading Yes
2x Golden Cove Cores A None
2.6 GHz A-Core Frequency None
1.2 GHz B-Core Frequency None
3.5 GHz B-Core Frequency Turbo None
None None 4x
None None 2.6 GHz
4.7 GHz A-Core Frequency Turbo None
12 Threads 8
 
 

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.
12.1 Direct X 11.0
Q1/2022 Release date Q1/2011
13 Generation 7
32.0 GB Max. GPU Memory 2.0 GB
-- Max. displays --
96 Execution units 16
768 Shaders 128
1.25 GHz GPU (Turbo) 1.25 GHz
10 nm Technology 22 nm
0.35 GHz GPU frequency 0.65 GHz
Intel Iris Xe Graphics 96 (Alder Lake) GPU name Intel HD Graphics 4000
 
 

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

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.
pci PCIe pci
Yes AES-NI Yes
DDR4-3200, DDR5-4800 Memory type DDR3L-1600, DDR3L-1333, DDR3-1333, DDR3-1600
No ECC No
2 Memory channels 2
64.0 GB Max. Memory 32.0 GB
76.8 GB/s Bandwidth 25.6 GB/s
 
 

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
100 °C Tjunction max 105 °C
15 W TDP (PL1 / PBP) 45 W
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.
-- Release price 363 $
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
6.5 MB L2-Cache 0 bytes
Q3/2022 Release date Q2/2012
Alder Lake U Architecture Ivy Bridge H
BGA 1744 Socket BGA 1224
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
Technical data sheet Documents Technical data sheet
-- Part Number --
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
Monolithic Chip design Monolithic
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX
10 nm Technology 22 nm
12.0 MB L3-Cache 6.0 MB