Intel Core i7-940 vs Intel Atom C3338R

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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 Atom C3338R features 2 processor cores and has the capability to manage 2 threads concurrently.
It was released in Q2/2020 and belongs to the 5 generation of the Intel Atom series.
To use the Intel Atom C3338R, you'll need a motherboard with a BGA 1310 socket.
1 Generation 5
Intel Core i7 Family Intel Atom
Intel Core i7 900 Group Intel Atom C3000
Intel Core i7-940 Name Intel Atom C3338R
Desktop / Server Segment Desktop / Server
 
 

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 Atom C3338R has 2 CPU cores and can calculate 2 threads in parallel.
The clock frequency of the Intel Atom C3338R is 1.8 GHz
and turbo frequency for one core is 2.2 GHz.
4 CPU Cores 2
8 Threads 2
3.2 GHz Turbo Frequency (1 core) 2.2 GHz
2.93 GHz Frequency 1.8 GHz
4x Cores 2x
normal Core architecture normal
No Overclocking No
Yes Hyperthreading No
None None 2.0 GHz
 
 

Internal Graphics

The Intel Core i7-940 does not have integrated graphics.
The Intel Atom C3338R does not have integrated graphics.
-- Generation --
-- Release date --
-- Max. displays --
-- Execution units --
-- Shaders --
-- GPU (Turbo) --
-- GPU frequency --
-- Technology --
GPU name
0 bytes Max. GPU Memory 0 bytes
-- Direct X --
 
 

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

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 1 memory channels. It offers a peak memory bandwidth of 29.9 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
3 Memory channels 1
24.0 GB Max. Memory 128.0 GB
DDR3-1066 Memory type DDR4-1866
No AES-NI Yes
25.6 GB/s Bandwidth 29.9 GB/s
No ECC Yes
pci PCIe pci
 
 

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 10.5 W watts.
130 W TDP (PL1 / PBP) 10.5 W
-- Tjunction max 100 °C
 
 

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 Atom C3338R is manufactured using a 14 nm process.
Q4/2008 Release date Q2/2020
Bloomfield Architecture Denverton
Technical data sheet Documents Technical data sheet
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
Monolithic Chip design Monolithic
8.0 MB L3-Cache 0 bytes
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2
45 nm Technology 14 nm
LGA 1366 Socket BGA 1310
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
BX80601940 Part Number --
305 $ Release price 37 $
Windows 10, Linux Operating systems Windows 10, Linux
1.0 MB L2-Cache 4.0 MB