Intel Core 2 Quad Q8400s vs Intel Core i7-1250U

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core 2 Quad Q8400s or Intel Core 2 Quad Q8400s – 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 2 Quad Q8400s features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q2/2009 and belongs to the 2 generation of the Intel Core2 Quad series.
To use the Intel Core 2 Quad Q8400s, you'll need a motherboard with a LGA 775 socket.
The Intel Core i7-1250U 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 i7 series.
To use the Intel Core i7-1250U, you'll need a motherboard with a BGA 1744 socket.
2 Generation 12
Intel Core 2 Quad Q8400s Name Intel Core i7-1250U
Intel Core2 Quad Family Intel Core i7
Desktop / Server Segment Mobile
Intel Core 2 Quad Q8000/Q9000 Group Intel Core i 1200P/1200U
 
 

CPU Cores and Base Frequency

The Intel Core 2 Quad Q8400s has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Core 2 Quad Q8400s is 2.66 GHz
The Intel Core i7-1250U has 10 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the A-Core is 1.1 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.
4 Threads 12
None None 1.1 GHz
None None 2x Golden Cove
None None 4.7 GHz
4 CPU Cores 10
No Hyperthreading Yes
2.66 GHz Frequency None
normal Core architecture hybrid (big.LITTLE)
None None 8x Gracemont
None None 0.8 GHz
4x Cores None
No Overclocking No
None None 3.5 GHz
 
 

Internal Graphics

The Intel Core 2 Quad Q8400s does not have integrated graphics.
The Intel Core i7-1250U has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-1250U 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.
GPU name Intel Iris Xe Graphics 96 (Alder Lake)
-- Shaders 768
-- Technology 10 nm
-- GPU frequency 0.25 GHz
-- Execution units 96
-- GPU (Turbo) 0.9 GHz
-- Direct X 12.1
-- Generation 13
0 bytes Max. GPU Memory 32.0 GB
-- Release date Q1/2022
-- Max. displays --
 
 

Artificial Intelligence and Machine Learning

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

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.
-- JPEG Decode / Encode
-- AV1 Decode
-- VC-1 Decode
-- h265 / HEVC (10 bit) Decode / Encode
-- h265 / HEVC (8 bit) Decode / Encode
-- h264 Decode / Encode
-- VP8 Decode
-- AVC Decode / Encode
-- VP9 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.
No AES-NI Yes
No ECC No
pci PCIe pci
DDR3-1066, DDR2-800 Memory type DDR4-3200, LPDDR4X-4266, DDR5-4800, LPDDR5-5200
2 Memory channels 2
16.0 GB Max. Memory 64.0 GB
-- Bandwidth 76.8 GB/s
 
 

Thermal Management

The processor has a thermal design power (TDP) of 65 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 9 W watts.
None TDP (PL2) 29 W
-- Tjunction max 100 °C
65 W TDP (PL1 / PBP) 9 W
 
 

Technical details

The Intel Core 2 Quad Q8400s is manufactured using a 45 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-1250U is manufactured using a 10 nm process.
In total, this processor boasts a generous 12.0 MB cache.
-- Release price --
45 nm Technology 10 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
Technical data sheet Documents Technical data sheet
4.0 MB L2-Cache 6.5 MB
0 bytes L3-Cache 12.0 MB
SSE3, SSE4.1, MMX, SSE2 ISA extensions SSE4.1, SSE4.2, AVX2
VT-x, VT-d Virtualization VT-x, VT-x EPT, VT-d
-- Part Number --
Monolithic Chip design Monolithic
LGA 775 Socket BGA 1744
Yorkfield (Penryn) Architecture Alder Lake U
Q2/2009 Release date Q1/2022
Windows 10, Linux Operating systems Windows 10, Linux, Windows 11