Intel Core i5-2540M vs Intel Core i7-2675QM

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CPU comparison with benchmarks


Intel Core i5-2540M CPU1 vs CPU2 Intel Core i7-2675QM
Intel Core i5-2540M Intel Core i7-2675QM

CPU comparison

Intel Core i5-2540M or Intel Core i7-2675QM - 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 i5-2540M has 2 cores with 4 threads and clocks with a maximum frequency of 3.30 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core i5-2540M was released in Q1/2011.

The Intel Core i7-2675QM has 4 cores with 8 threads and clocks with a maximum frequency of 3.10 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Core i7-2675QM was released in Q4/2011.
Intel Core i5 (334) Family Intel Core i7 (299)
Intel Core i 2000M (46) CPU group Intel Core i 2000M (46)
2 Generation 2
Sandy Bridge H Architecture Sandy Bridge H
Notebook Segment Notebook
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i5-2540M has 2 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core i5-2540M is 2.60 GHz (3.30 GHz) while the Intel Core i7-2675QM has 4 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Intel Core i7-2675QM is at 2.20 GHz (3.10 GHz).

Intel Core i5-2540M Characteristic Intel Core i7-2675QM
2 Cores 4
4 Threads 8
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.60 GHz Frequency 2.20 GHz
3.30 GHz Turbo Frequency (1 Core) 3.10 GHz
-- Turbo Frequency (All Cores) --

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Core i5-2540M Characteristic Intel Core i7-2675QM
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The Intel Core i5-2540M or Intel Core i7-2675QM 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 3000 GPU Intel HD Graphics 3000
0.65 GHz GPU frequency 0.65 GHz
1.30 GHz GPU (Turbo) 1.20 GHz
6 GPU Generation 6
32 nm Technology 32 nm
2 Max. displays 2
12 Compute units 12
96 Shader 96
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 2 GB
10.1 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.

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

Memory & PCIe

The Intel Core i5-2540M can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The Intel Core i7-2675QM supports up to 32 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s.

Intel Core i5-2540M Characteristic Intel Core i7-2675QM
DDR3-1333 Memory DDR3-1066, DDR3-1333
16 GB Max. Memory 32 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 21.3 GB/s
No ECC No
-- L2 Cache --
3.00 MB L3 Cache 6.00 MB
2.0 PCIe version 2.0
16 PCIe lanes 16
8.0 GB/s PCIe Bandwidth 8.0 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Core i5-2540M is 35 W, while the Intel Core i7-2675QM has a TDP of 45 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i5-2540M Characteristic Intel Core i7-2675QM
35 W TDP (PL1 / PBP) 45 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. 100 °C

Technical details

The Intel Core i5-2540M is manufactured in 32 nm and has 3.00 MB cache. The Intel Core i7-2675QM is manufactured in 32 nm and has a 6.00 MB cache.

Intel Core i5-2540M Characteristic Intel Core i7-2675QM
32 nm Technology 32 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX ISA extensions SSE4.1, SSE4.2, AVX
BGA 1023 Socket BGA 1224
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q1/2011 Release date Q4/2011
269 $ Release price 280 $
show more data show more data


Rate these processors

Here you can rate the Intel Core i5-2540M to help other visitors make their purchasing decisions. The average rating is 4.0 stars (3 ratings). Rate now:
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Average performance in benchmarks

Single core performance in 2 CPU benchmarks
Intel Core i5-2540M (100%)
Intel Core i7-2675QM (97%)
Multi core performance in 3 CPU benchmarks
Intel Core i5-2540M (63%)
Intel Core i7-2675QM (100%)

Price-performance ratio

Geekbench 6 multi-core score divided by the processor's release price. Higher is better.
Intel Core i5-2540M Intel Core i5-2540M
Geekbench 6 MT: 1,216 / 269 $
4.52
Intel Core i7-2675QM Intel Core i7-2675QM
Geekbench 6 MT: 1,781 / 280 $
6.36

Geekbench 6 (Single-Core)

Geekbench 6 is a partial load benchmark for modern computers, notebooks and smartphones. In the single-core test, only the fastest CPU core is measured. The test run simulates the performance in practice.
Intel Core i5-2540M Intel Core i5-2540M
2C 4T @ 3.30 GHz
559 (100%)
Intel Core i7-2675QM Intel Core i7-2675QM
4C 8T @ 3.10 GHz
527 (94%)

Geekbench 6 (Multi-Core)

The practical Geekbench 6 multi-core benchmark tests the system's performance under partial load. The processor's maximum power consumption is far from being used up.
Intel Core i5-2540M Intel Core i5-2540M
2C 4T @ 2.60 GHz
1216 (68%)
Intel Core i7-2675QM Intel Core i7-2675QM
4C 8T @ 2.20 GHz
1781 (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 Core i5-2540M Intel Core i5-2540M
2C 4T @ 3.30 GHz
615 (99%)
Intel Core i7-2675QM Intel Core i7-2675QM
4C 8T @ 3.10 GHz
622 (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 Core i5-2540M Intel Core i5-2540M
2C 4T @ 2.60 GHz
1414 (60%)
Intel Core i7-2675QM Intel Core i7-2675QM
4C 8T @ 2.20 GHz
2375 (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 Core i5-2540M Intel Core i5-2540M
Intel HD Graphics 3000 @ 1.30 GHz
250 (100%)
Intel Core i7-2675QM Intel Core i7-2675QM
Intel HD Graphics 3000 @ 1.20 GHz
230 (92%)

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 i5-2540M Intel Core i5-2540M
2C 4T @ 2.60 GHz
2326 (60%)
Intel Core i7-2675QM Intel Core i7-2675QM
4C 8T @ 2.20 GHz
3892 (100%)

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 i5-2540M Intel Core i5-2540M
2C 4T @ 2.60 GHz
723 (100%)
Intel Core i7-2675QM Intel Core i7-2675QM
4C 8T @ 2.20 GHz
0 (0%)

Devices using this processor

Intel Core i5-2540M Intel Core i7-2675QM
Unknown Unknown

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