Intel Core i7-620LM vs Intel Atom C3338R

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CPU comparison with benchmarks


Intel Core i7-620LM CPU1 vs CPU2 Intel Atom C3338R
Intel Core i7-620LM Intel Atom C3338R

CPU comparison

Intel Core i7-620LM or Intel Atom C3338R - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Core i7-620LM has 2 cores with 4 threads and clocks with a maximum frequency of 2.80 GHz. Up to 8 GB of memory is supported in 2 memory channels. The Intel Core i7-620LM was released in Q1/2010.

The Intel Atom C3338R has 2 cores with 2 threads and clocks with a maximum frequency of 2.20 GHz. The CPU supports up to 128 GB of memory in 1 memory channels. The Intel Atom C3338R was released in Q2/2020.
Intel Core i7 (298) Family Intel Atom (108)
Intel Core i7 600 (3) CPU group Intel Atom C3000 (20)
1 Generation 5
Arrandale Architecture Denverton
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i7-620LM has 2 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core i7-620LM is 2.00 GHz (2.80 GHz) while the Intel Atom C3338R has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the Intel Atom C3338R is at 1.80 GHz (2.20 GHz).
Intel Core i7-620LM Characteristic Intel Atom C3338R
2 Cores 2
4 Threads 2
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.00 GHz Frequency 1.80 GHz
2.80 GHz Turbo Frequency (1 Core) 2.20 GHz
-- Turbo Frequency (All Cores) 2.00 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.
Intel Core i7-620LM Characteristic Intel Atom C3338R
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i7-620LM or Intel Atom C3338R has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
Intel HD Graphics Ironlake (Arrandale) GPU no iGPU
0.27 GHz GPU frequency --
0.57 GHz GPU (Turbo) --
5 GPU Generation --
45 nm Technology
0 Max. displays
12 Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
10.1 DirectX Version --

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.
Intel HD Graphics Ironlake (Arrandale) GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The Intel Core i7-620LM can use up to 8 GB of memory in 2 memory channels. The maximum memory bandwidth is 17.1 GB/s. The Intel Atom C3338R supports up to 128 GB of memory in 1 memory channels and achieves a memory bandwidth of up to 29.9 GB/s.
Intel Core i7-620LM Characteristic Intel Atom C3338R
DDR3-800, DDR3-1066 Memory DDR4-1866
8 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 1 (Single Channel)
17.1 GB/s Max. Bandwidth 29.9 GB/s
No ECC Yes
4.00 MB L2 Cache 4.00 MB
-- L3 Cache --
2.0 PCIe version 3.0
16 PCIe lanes 10
8.0 GB/s PCIe Bandwidth 9.9 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Core i7-620LM is 25 W, while the Intel Atom C3338R has a TDP of 10.5 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
Intel Core i7-620LM Characteristic Intel Atom C3338R
25 W TDP (PL1 / PBP) 10.5 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
105 °C Tjunction max. 100 °C

Technical details

The Intel Core i7-620LM is manufactured in 32 nm and has 4.00 MB cache. The Intel Atom C3338R is manufactured in 14 nm and has a 4.00 MB cache.
Intel Core i7-620LM Characteristic Intel Atom C3338R
32 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2
BGA 1288 Socket BGA 1310
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q1/2010 Release date Q2/2020
-- Release price 37 $
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Devices using this processor
Intel Core i7-620LM Intel Atom C3338R
Unknown Unknown

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