Intel Core i5-9400F vs Intel Core i5-2557M

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CPU comparison with benchmarks


Intel Core i5-9400F CPU1 vs CPU2 Intel Core i5-2557M
Intel Core i5-9400F Intel Core i5-2557M

CPU comparison

Intel Core i5-9400F or Intel Core i5-2557M - 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 i5-9400F has 6 cores with 6 threads and clocks with a maximum frequency of 4.10 GHz. Up to 128 GB of memory is supported in 2 memory channels. The Intel Core i5-9400F was released in Q1/2019.

The Intel Core i5-2557M has 2 cores with 4 threads and clocks with a maximum frequency of 2.70 GHz. The CPU supports up to 8 GB of memory in 2 memory channels. The Intel Core i5-2557M was released in Q2/2011.
Intel Core i5 (328) Family Intel Core i5 (328)
Intel Core i 9000 (34) CPU group Intel Core i 2000M (46)
9 Generation 2
Coffee Lake S Refresh Architecture Sandy Bridge H
Desktop / Server Segment Mobile
-- Predecessor --
Intel Core i5-10400F Successor --

CPU Cores and Base Frequency

The Intel Core i5-9400F is a 6 core processor with a clock frequency of 2.90 GHz (4.10 GHz). The Intel Core i5-2557M has 2 CPU cores with a clock frequency of 1.70 GHz (2.70 GHz).

Intel Core i5-9400F Characteristic Intel Core i5-2557M
6 Cores 2
6 Threads 4
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
2.90 GHz Frequency 1.70 GHz
4.10 GHz Turbo Frequency (1 Core) 2.70 GHz
3.90 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 i5-9400F Characteristic Intel Core i5-2557M
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

no iGPU GPU Intel HD Graphics 3000
GPU frequency 0.35 GHz
-- GPU (Turbo) 1.20 GHz
-- GPU Generation 6
Technology 32 nm
Max. displays 2
-- Compute units 12
-- Shader 96
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 GB
-- DirectX Version 10.1

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 HD Graphics 3000
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG No

Memory & PCIe

The Intel Core i5-9400F supports a maximum of 128 GB of memory in 2 memory channels. The Intel Core i5-2557M can connect up to 8 GB of memory in 2 memory channels.

Intel Core i5-9400F Characteristic Intel Core i5-2557M
DDR4-2666 Memory DDR3-1333
128 GB Max. Memory 8 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
42.7 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
-- L2 Cache --
9.00 MB L3 Cache 3.00 MB
3.0 PCIe version 2.0
16 PCIe lanes 16
15.8 GB/s PCIe Bandwidth 8.0 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i5-9400F has a TDP of 65 W, that of the Intel Core i5-2557M is 17 W.

Intel Core i5-9400F Characteristic Intel Core i5-2557M
65 W TDP (PL1 / PBP) 17 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. 100 °C

Technical details

The Intel Core i5-9400F has a 9.00 MB cache, while the Intel Core i5-2557M cache has a total of 3.00 MB.

Intel Core i5-9400F Characteristic Intel Core i5-2557M
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 SSE4.1, SSE4.2, AVX
LGA 1151-2 Socket BGA 1023
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q1/2019 Release date Q2/2011
157 $ Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 3 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 i5-9400F Intel Core i5-9400F
6C 6T @ 4.10 GHz
1085 (100%)
Intel Core i5-2557M Intel Core i5-2557M
2C 4T @ 2.70 GHz
521 (48%)

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 i5-9400F Intel Core i5-9400F
6C 6T @ 3.90 GHz
4722 (100%)
Intel Core i5-2557M Intel Core i5-2557M
2C 4T @ 1.70 GHz
1037 (22%)

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 i5-9400F Intel Core i5-9400F
6C 6T @ 4.10 GHz
1346 (100%)
Intel Core i5-2557M Intel Core i5-2557M
2C 4T @ 2.70 GHz
507 (38%)

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 i5-9400F Intel Core i5-9400F
6C 6T @ 3.90 GHz
5164 (100%)
Intel Core i5-2557M Intel Core i5-2557M
2C 4T @ 1.70 GHz
882 (17%)

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 i5-9400F Intel Core i5-9400F
6C 6T @ 3.90 GHz
9463 (100%)
Intel Core i5-2557M Intel Core i5-2557M
2C 4T @ 1.70 GHz
1755 (19%)

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 Core i5-9400F Intel Core i5-9400F
6C 6T @ 4.10 GHz
1005 (100%)
Intel Core i5-2557M Intel Core i5-2557M
2C 4T @ 2.70 GHz
0 (0%)

Cinebench R23 (Multi-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 multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i5-9400F Intel Core i5-9400F
6C 6T @ 3.90 GHz
5341 (100%)
Intel Core i5-2557M Intel Core i5-2557M
2C 4T @ 1.70 GHz
0 (0%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 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 i5-9400F Intel Core i5-9400F
6C 6T @ 4.10 GHz
423 (100%)
Intel Core i5-2557M Intel Core i5-2557M
2C 4T @ 2.70 GHz
0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 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 i5-9400F Intel Core i5-9400F
6C 6T @ 3.90 GHz
2407 (100%)
Intel Core i5-2557M Intel Core i5-2557M
2C 4T @ 1.70 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 i5-9400F Intel Core i5-9400F
@ 0.00 GHz
0 (0%)
Intel Core i5-2557M Intel Core i5-2557M
Intel HD Graphics 3000 @ 1.20 GHz
230 (100%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
Intel Core i5-9400F Intel Core i5-9400F
6C 6T @ 3.90 GHz
74 (100%)
Intel Core i5-2557M Intel Core i5-2557M
2C 4T @ 1.70 GHz
0 (0%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
Intel Core i5-9400F Intel Core i5-9400F
6C 6T @ 3.90 GHz
367.5 (100%)
Intel Core i5-2557M Intel Core i5-2557M
2C 4T @ 1.70 GHz
0 (0%)

CPU-Z Benchmark 17 (Single-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 i5-9400F Intel Core i5-9400F
6C 6T @ 3.90 GHz
459 (100%)
Intel Core i5-2557M Intel Core i5-2557M
2C 4T @ 1.70 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 i5-9400F Intel Core i5-9400F
6C 6T @ 2.90 GHz
2550 (100%)
Intel Core i5-2557M Intel Core i5-2557M
2C 4T @ 1.70 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 i5-9400F Intel Core i5-9400F
6C 6T @ 4.10 GHz
177 (100%)
Intel Core i5-2557M Intel Core i5-2557M
2C 4T @ 2.70 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 i5-9400F Intel Core i5-9400F
6C 6T @ 3.90 GHz
987 (100%)
Intel Core i5-2557M Intel Core i5-2557M
2C 4T @ 1.70 GHz
0 (0%)

Devices using this processor

Intel Core i5-9400F Intel Core i5-2557M
Unknown Unknown

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