Intel Core i7-940 vs Intel Pentium Gold G6400

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-940 or Intel Core i7-940 – 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 i7-940 features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q4/2008 and belongs to the 1 generation of the Intel Core i7 series.
To use the Intel Core i7-940, you'll need a motherboard with a LGA 1366 socket.
The Intel Pentium Gold G6400 features 2 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q2/2020 and belongs to the 10 generation of the Intel Pentium series.
To use the Intel Pentium Gold G6400, you'll need a motherboard with a LGA 1200 socket.
Desktop / Server Segment Desktop / Server
Intel Core i7-940 Name Intel Pentium Gold G6400
Intel Core i7 Family Intel Pentium
1 Generation 10
Intel Core i7 900 Group Intel Pentium G6000
 
 

CPU Cores and Base Frequency

The Intel Core i7-940 has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-940 is 2.93 GHz
and turbo frequency for one core is 3.2 GHz.
The Intel Pentium Gold G6400 has 2 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Pentium Gold G6400 is 4.0 GHz
3.2 GHz Turbo Frequency (1 core) None
No Overclocking No
normal Core architecture normal
2.93 GHz Frequency 4.0 GHz
8 Threads 4
Yes Hyperthreading Yes
4 CPU Cores 2
4x Cores 2x
 
 

Internal Graphics

The Intel Core i7-940 does not have integrated graphics.
The Intel Pentium Gold G6400 has integrated graphics, called iGPU for short.
Specifically, the Intel Pentium Gold G6400 uses the Intel HD Graphics 610, which has 96 texture shaders
and 12 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
-- GPU frequency 0.35 GHz
-- Release date Q3/2016
-- Direct X 12
GPU name Intel HD Graphics 610
-- Technology 14 nm
-- Max. displays --
-- Shaders 96
0 bytes Max. GPU Memory 32.0 GB
-- Execution units 12
-- Generation 9.5
-- GPU (Turbo) 1.05 GHz
 
 

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

Memory & PCIe

The processor supports a maximum memory capacity of 24.0 GB distributed across 3 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.
The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 42.7 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
3 Memory channels 2
24.0 GB Max. Memory 128.0 GB
pci PCIe pci
No AES-NI Yes
No ECC Yes
25.6 GB/s Bandwidth 42.7 GB/s
DDR3-1066 Memory type DDR4-2666
 
 

Thermal Management

The processor has a thermal design power (TDP) of 130 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 58 W watts.
-- Tjunction max 100 °C
130 W TDP (PL1 / PBP) 58 W
 
 

Technical details

The Intel Core i7-940 is manufactured using a 45 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 8.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Pentium Gold G6400 is manufactured using a 14 nm process.
In total, this processor boasts a generous 4.0 MB cache.
Q4/2008 Release date Q2/2020
BX80601940 Part Number --
1.0 MB L2-Cache 0 bytes
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2
Monolithic Chip design Monolithic
Bloomfield Architecture Comet Lake S
45 nm Technology 14 nm
LGA 1366 Socket LGA 1200
Windows 10, Linux Operating systems Windows 10, Linux, Windows 11
305 $ Release price 77 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
8.0 MB L3-Cache 4.0 MB