Intel Atom C3508 vs Intel Core i7-11700T

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CPU comparison with benchmarks


Intel Atom C3508 CPU1 vs CPU2 Intel Core i7-11700T
Intel Atom C3508 Intel Core i7-11700T

CPU comparison

Intel Atom C3508 or Intel Core i7-11700T - 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 Atom C3508 has 4 cores with 4 threads and clocks with a maximum frequency of 1.60 GHz. Up to 256 GB of memory is supported in 2 memory channels. The Intel Atom C3508 was released in Q3/2017.

The Intel Core i7-11700T has 8 cores with 16 threads and clocks with a maximum frequency of 4.60 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Core i7-11700T was released in Q1/2021.
Intel Atom (108) Family Intel Core i7 (298)
Intel Atom C3000 (20) CPU group Intel Core i 11000 (22)
5 Generation 11
Denverton Architecture Rocket Lake S
Desktop / Server Segment Desktop / Server
-- Predecessor Intel Core i7-10700T
-- Successor Intel Core i7-12700T

CPU Cores and Base Frequency

The Intel Atom C3508 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Atom C3508 is 1.60 GHz while the Intel Core i7-11700T has 8 CPU cores and 16 threads can calculate simultaneously. The clock frequency of the Intel Core i7-11700T is at 1.40 GHz (4.60 GHz).

Intel Atom C3508 Characteristic Intel Core i7-11700T
4 Cores 8
4 Threads 16
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.60 GHz Frequency 1.40 GHz
-- Turbo Frequency (1 Core) 4.60 GHz
-- Turbo Frequency (All Cores) 3.40 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 Atom C3508 Characteristic Intel Core i7-11700T
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Atom C3508 or Intel Core i7-11700T 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.

no iGPU GPU Intel UHD Graphics 750
GPU frequency 0.35 GHz
-- GPU (Turbo) 1.30 GHz
-- GPU Generation 12
Technology 14 nm
Max. displays 3
-- Compute units 32
-- Shader 256
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 64 GB
-- DirectX Version 12

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.

no iGPU GPU Intel UHD Graphics 750
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode
No Codec AV1 Decode
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The Intel Atom C3508 can use up to 256 GB of memory in 2 memory channels. The maximum memory bandwidth is 29.9 GB/s. The Intel Core i7-11700T supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 51.2 GB/s.

Intel Atom C3508 Characteristic Intel Core i7-11700T
DDR4-1866 Memory DDR4-3200
256 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
29.9 GB/s Max. Bandwidth 51.2 GB/s
Yes ECC No
8.00 MB L2 Cache 4.00 MB
-- L3 Cache 16.00 MB
3.0 PCIe version 4.0
8 PCIe lanes 20
7.9 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Atom C3508 is 11.5 W, while the Intel Core i7-11700T has a TDP of 35 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Atom C3508 Characteristic Intel Core i7-11700T
11.5 W TDP (PL1 / PBP) 35 W
-- TDP (PL2) 115 W @ 28 s
-- TDP up --
-- TDP down 25 W
100 °C Tjunction max. 100 °C

Technical details

The Intel Atom C3508 is manufactured in 14 nm and has 8.00 MB cache. The Intel Core i7-11700T is manufactured in 14 nm and has a 20.00 MB cache.

Intel Atom C3508 Characteristic Intel Core i7-11700T
14 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, AVX2, AVX-512
BGA 1310 Socket LGA 1200
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, Windows 11, Linux
Q3/2017 Release date Q1/2021
86 $ Release price 323 $
show more data show more data


Rate these processors

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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Atom C3508 (14%)
Intel Core i7-11700T (100%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Atom C3508 (11%)
Intel Core i7-11700T (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Atom C3508 Intel Atom C3508
4C 4T @ 1.60 GHz
250 (17%)
Intel Core i7-11700T Intel Core i7-11700T
8C 16T @ 4.60 GHz
1497 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Atom C3508 Intel Atom C3508
4C 4T @ 1.60 GHz
660 (11%)
Intel Core i7-11700T Intel Core i7-11700T
8C 16T @ 3.40 GHz
6247 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Atom C3508 Intel Atom C3508
4C 4T @ 1.60 GHz
215 (10%)
Intel Core i7-11700T Intel Core i7-11700T
8C 16T @ 4.60 GHz
2127 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Atom C3508 Intel Atom C3508
4C 4T @ 1.60 GHz
711 (11%)
Intel Core i7-11700T Intel Core i7-11700T
8C 16T @ 3.40 GHz
6549 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Atom C3508 Intel Atom C3508
4C 4T @ 1.60 GHz
0 (0%)
Intel Core i7-11700T Intel Core i7-11700T
8C 16T @ 4.60 GHz
1492 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Atom C3508 Intel Atom C3508
@ 0.00 GHz
0 (0%)
Intel Core i7-11700T Intel Core i7-11700T
Intel UHD Graphics 750 @ 1.30 GHz
666 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Atom C3508 Intel Atom C3508
4C 4T @ 1.60 GHz
0 (0%)
Intel Core i7-11700T Intel Core i7-11700T
8C 16T @ 3.40 GHz
15982 (100%)

Devices using this processor

Intel Atom C3508 Intel Core i7-11700T
Unknown Unknown

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