Intel Core i5-9400T vs Intel Atom S1260

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CPU comparison with benchmarks


Intel Core i5-9400T CPU1 vs CPU2 Intel Atom S1260
Intel Core i5-9400T Intel Atom S1260

CPU comparison

In this CPU comparison, we compare the Intel Core i5-9400T and the Intel Atom S1260 and use benchmarks to check which processor is faster.

We compare the Intel Core i5-9400T 6 core processor released in Q2/2019 with the Intel Atom S1260 which has 2 CPU cores and was introduced in Q4/2012.
Intel Core i5 (328) Family Intel Atom (101)
Intel Core i 9000 (34) CPU group Intel Atom S1000 (3)
9 Generation 2
Coffee Lake S Refresh Architecture Centerton
Desktop / Server Segment Desktop / Server
Intel Core i5-8400T Predecessor --
Intel Core i5-10400T Successor --

CPU Cores and Base Frequency

The Intel Core i5-9400T is a 6 core processor with a clock frequency of 1.80 GHz (3.40 GHz). The processor can compute 6 threads at the same time. The Intel Atom S1260 clocks with 2.00 GHz, has 2 CPU cores and can calculate 4 threads in parallel.

Intel Core i5-9400T Characteristic Intel Atom S1260
6 Cores 2
6 Threads 4
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.80 GHz Frequency 2.00 GHz
3.40 GHz Turbo Frequency (1 Core) --
2.80 GHz Turbo Frequency (All Cores) --

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 i5-9400T Characteristic Intel Atom S1260
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

Intel UHD Graphics 630 GPU no iGPU
0.35 GHz GPU frequency --
1.05 GHz GPU (Turbo) --
9.5 GPU Generation --
14 nm Technology
3 Max. displays
24 Compute units --
192 Shader --
No Hardware Raytracing No
No Frame Generation No
64 GB Max. GPU Memory --
12 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 UHD Graphics 630 GPU no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode / Encode Codec VP9 No
Decode / Encode Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

Up to 128 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i5-9400T, while the Intel Atom S1260 supports a maximum of 8 GB of memory with a maximum memory bandwidth of 10.6 GB/s enabled.

Intel Core i5-9400T Characteristic Intel Atom S1260
DDR4-2666 Memory DDR3-1333
128 GB Max. Memory 8 GB
2 (Dual Channel) Memory channels 1 (Single Channel)
42.7 GB/s Max. Bandwidth 10.6 GB/s
No ECC Yes
-- L2 Cache --
9.00 MB L3 Cache 1.00 MB
3.0 PCIe version 2.0
16 PCIe lanes 8
15.8 GB/s PCIe Bandwidth 4.0 GB/s

Thermal Management

The Intel Core i5-9400T has a TDP of 35 W. The TDP of the Intel Atom S1260 is 8.5 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core i5-9400T Characteristic Intel Atom S1260
35 W TDP (PL1 / PBP) 8.5 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. --

Technical details

The Intel Core i5-9400T has 9.00 MB cache and is manufactured in 14 nm. The cache of Intel Atom S1260 is at 1.00 MB. The processor is manufactured in 32 nm.

Intel Core i5-9400T Characteristic Intel Atom S1260
14 nm Technology 32 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE3
LGA 1151-2 Socket BGA 1283
VT-x, VT-x EPT, VT-d Virtualization VT-x
Yes AES-NI No
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q2/2019 Release date Q4/2012
182 $ Release price 48 $
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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 2 CPU benchmarks

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 Core i5-9400T Intel Core i5-9400T
6C 6T @ 3.40 GHz
910 (100%)
Intel Atom S1260 Intel Atom S1260
2C 4T @ 2.00 GHz
109 (12%)

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 Core i5-9400T Intel Core i5-9400T
6C 6T @ 2.80 GHz
3634 (100%)
Intel Atom S1260 Intel Atom S1260
2C 4T @ 2.00 GHz
301 (8%)

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 Core i5-9400T Intel Core i5-9400T
6C 6T @ 2.80 GHz
8120 (100%)
Intel Atom S1260 Intel Atom S1260
2C 4T @ 2.00 GHz
540 (7%)

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 Core i5-9400T Intel Core i5-9400T
6C 6T @ 3.40 GHz
1137 (100%)
Intel Atom S1260 Intel Atom S1260
2C 4T @ 2.00 GHz
0 (0%)

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 Core i5-9400T Intel Core i5-9400T
6C 6T @ 2.80 GHz
4247 (100%)
Intel Atom S1260 Intel Atom S1260
2C 4T @ 2.00 GHz
0 (0%)

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 Core i5-9400T Intel Core i5-9400T
Intel UHD Graphics 630 @ 1.05 GHz
403 (100%)
Intel Atom S1260 Intel Atom S1260
@ 0.00 GHz
0 (0%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i5-9400T Intel Core i5-9400T
6C 6T @ 1.80 GHz
2028 (100%)
Intel Atom S1260 Intel Atom S1260
2C 4T @ 2.00 GHz
0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 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 Core i5-9400T Intel Core i5-9400T
6C 6T @ 3.40 GHz
150 (100%)
Intel Atom S1260 Intel Atom S1260
2C 4T @ 2.00 GHz
0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i5-9400T Intel Core i5-9400T
6C 6T @ 2.80 GHz
710 (100%)
Intel Atom S1260 Intel Atom S1260
2C 4T @ 2.00 GHz
0 (0%)

Devices using this processor

Intel Core i5-9400T Intel Atom S1260
Unknown Unknown

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