Intel Core i5-1245U vs Intel Celeron E1400

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i5-1245U or Intel Core i5-1245U – 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 i5-1245U features 10 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q1/2022 and belongs to the 12 generation of the Intel Core i5 series.
To use the Intel Core i5-1245U, you'll need a motherboard with a BGA 1744 socket.
The Intel Celeron E1400 features 2 processor cores and has the capability to manage 2 threads concurrently.
It was released in Q2/2008 and belongs to the 1 generation of the Intel Celeron series.
To use the Intel Celeron E1400, you'll need a motherboard with a LGA 775 socket.
Intel Core i5-1245U Name Intel Celeron E1400
12 Generation 1
Intel Core i5 Family Intel Celeron
Mobile Segment Desktop / Server
Intel Core i 1200P/1200U Group Intel Celeron E1000
 
 

CPU Cores and Base Frequency

The Intel Core i5-1245U has 10 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the A-Core is 1.6 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 Celeron E1400 has 2 CPU cores and can calculate 2 threads in parallel.
The clock frequency of the Intel Celeron E1400 is 2.0 GHz
3.3 GHz B-Core Frequency Turbo None
None None 2x Core
No Overclocking No
1.2 GHz B-Core Frequency None
2x Golden Cove Cores A None
hybrid (big.LITTLE) Core architecture normal
1.6 GHz A-Core Frequency None
12 Threads 2
8x Gracemont Cores B None
Yes Hyperthreading No
10 CPU Cores 2
None None 2.0 GHz
4.4 GHz A-Core Frequency Turbo None
 
 

Internal Graphics

The Intel Core i5-1245U has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-1245U uses the Intel Iris Xe Graphics 80 (Alder Lake), which has 640 texture shaders
and 80 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Celeron E1400 does not have integrated graphics.
640 Shaders --
1.2 GHz GPU (Turbo) --
32.0 GB Max. GPU Memory 0 bytes
80 Execution units --
13 Generation --
10 nm Technology --
Intel Iris Xe Graphics 80 (Alder Lake) GPU name
Q1/2022 Release date --
-- Max. displays --
12.1 Direct X --
0.35 GHz GPU frequency --
 
 

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 / Encode h265 / HEVC (10 bit) --
Decode VP8 --
Decode / Encode h265 / HEVC (8 bit) --
Decode / Encode VP9 --
Decode / Encode AVC --
Decode AV1 --
Decode VC-1 --
Decode / Encode h264 --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 64.0 GB distributed across 4 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.
64.0 GB Max. Memory 16.0 GB
76.8 GB/s Bandwidth --
pci PCIe pci
4 Memory channels 2
No ECC No
Yes AES-NI No
DDR4-3200, LPDDR4X-4266, DDR5-4800, LPDDR5-5200 Memory type DDR3-1066, DDR2-800
 
 

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 65 W watts.
100 °C Tjunction max --
55 W TDP (PL2) None
15 W TDP (PL1 / PBP) 65 W
 
 

Technical details

The Intel Core i5-1245U 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 Celeron E1400 is manufactured using a 65 nm process.
-- Part Number --
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
Monolithic Chip design Monolithic
SSE4.1, SSE4.2, AVX2 ISA extensions SSE3, MMX, SSE, SSE2
12.0 MB L3-Cache 0 bytes
Alder Lake U Architecture Conroe (Core)
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
BGA 1744 Socket LGA 775
-- Release price --
Technical data sheet Documents Technical data sheet
VT-x, VT-x EPT, VT-d Virtualization None
10 nm Technology 65 nm
Q1/2022 Release date Q2/2008
6.5 MB L2-Cache 512.0 KB