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

Last updated:

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.
Desktop / Server Segment Mobile
Intel Core 2 Quad Q8400s Name Intel Core i7-1250U
Intel Core 2 Quad Q8000/Q9000 Group Intel Core i 1200P/1200U
2 Generation 12
Intel Core2 Quad Family Intel Core i7
 
 

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.
None None 1.1 GHz
4 CPU Cores 10
None None 0.8 GHz
4 Threads 12
2.66 GHz Frequency None
normal Core architecture hybrid (big.LITTLE)
No Overclocking No
None None 8x Gracemont
None None 2x Golden Cove
4x Cores None
None None 4.7 GHz
None None 3.5 GHz
No Hyperthreading Yes
 
 

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.
-- Direct X 12.1
-- Execution units 96
0 bytes Max. GPU Memory 32.0 GB
-- Max. displays --
-- Release date Q1/2022
-- GPU (Turbo) 0.9 GHz
-- Shaders 768
GPU name Intel Iris Xe Graphics 96 (Alder Lake)
-- Generation 13
-- GPU frequency 0.25 GHz
-- Technology 10 nm
 
 

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

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.
Monolithic Chip design Monolithic
0 bytes L3-Cache 12.0 MB
LGA 775 Socket BGA 1744
Technical data sheet Documents Technical data sheet
Windows 10, Linux Operating systems Windows 10, Linux, Windows 11
4.0 MB L2-Cache 6.5 MB
Q2/2009 Release date Q1/2022
Yorkfield (Penryn) Architecture Alder Lake U
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Release price --
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 --
45 nm Technology 10 nm