AMD Ryzen 5 PRO 7540U vs Intel Core2 Duo E4400

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CPU comparison with benchmarks


AMD Ryzen 5 PRO 7540U CPU1 vs CPU2 Intel Core2 Duo E4400
AMD Ryzen 5 PRO 7540U Intel Core2 Duo E4400

CPU comparison

AMD Ryzen 5 PRO 7540U or Intel Core2 Duo E4400 - 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 AMD Ryzen 5 PRO 7540U has 6 cores with 12 threads and clocks with a maximum frequency of 4.90 GHz. Up to 256 GB of memory is supported in 2 memory channels. The AMD Ryzen 5 PRO 7540U was released in Q2/2023.

The Intel Core2 Duo E4400 has 2 cores with 2 threads and clocks with a maximum frequency of 2.00 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core2 Duo E4400 was released in Q3/2007.
AMD Ryzen 5 PRO (28) Family Intel Core2 Duo (29)
AMD Ryzen 7040 (21) CPU group Intel Core 2 Duo E4000/E6000 (15)
6 Generation 1
Phoenix (Zen 4) Architecture Conroe (Core)
Mobile Segment Desktop / Server
-- Predecessor --
AMD Ryzen 5 PRO 8540U Successor --

CPU Cores and Base Frequency

The AMD Ryzen 5 PRO 7540U is a 6 core processor with a clock frequency of 3.20 GHz (4.90 GHz). The Intel Core2 Duo E4400 has 2 CPU cores with a clock frequency of 2.00 GHz.

AMD Ryzen 5 PRO 7540U Characteristic Intel Core2 Duo E4400
6 Cores 2
12 Threads 2
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? Yes
3.20 GHz Frequency 2.00 GHz
4.90 GHz Turbo Frequency (1 Core) --
-- 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.

AMD Ryzen 5 PRO 7540U Characteristic Intel Core2 Duo E4400
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

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.

AMD Radeon 740M GPU no iGPU
0.80 GHz GPU frequency --
2.50 GHz GPU (Turbo) --
10 GPU Generation --
4 nm Technology
4 Max. displays
4 Compute units --
256 Shader --
Yes Hardware Raytracing No
AMD FSR Frame Generation No
32 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.

AMD Radeon 740M 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 Codec VP9 No
Decode Codec VP8 No
Decode / Encode Codec AV1 No
Decode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The AMD Ryzen 5 PRO 7540U supports a maximum of 256 GB of memory in 2 memory channels. The Intel Core2 Duo E4400 can connect up to 16 GB of memory in 2 memory channels.

AMD Ryzen 5 PRO 7540U Characteristic Intel Core2 Duo E4400
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 Memory DDR3-1333, DDR2-1066
256 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
120.0 GB/s Max. Bandwidth 21.3 GB/s
Yes ECC No
6.00 MB L2 Cache 2.00 MB
16.00 MB L3 Cache --
4.0 PCIe version --
20 PCIe lanes --
39.4 GB/s PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 5 PRO 7540U has a TDP of 15 W, that of the Intel Core2 Duo E4400 is 65 W.

AMD Ryzen 5 PRO 7540U Characteristic Intel Core2 Duo E4400
15 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
100 °C Tjunction max. --

Technical details

The AMD Ryzen 5 PRO 7540U has a 22.00 MB cache, while the Intel Core2 Duo E4400 cache has a total of 2.00 MB.

AMD Ryzen 5 PRO 7540U Characteristic Intel Core2 Duo E4400
4 nm Technology 65 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 ISA extensions MMX, SSE, SSE2, SSE3
FP8 Socket LGA 775
AMD-V, SVM Virtualization VT-x
Yes AES-NI No
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q2/2023 Release date Q3/2007
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD Ryzen 5 PRO 7540U to help other visitors make their purchasing decisions. The average rating is 3.5 stars (2 ratings). Rate now:
Here you can rate the Intel Core2 Duo E4400 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:


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.
AMD Ryzen 5 PRO 7540U AMD Ryzen 5 PRO 7540U
6C 12T @ 4.90 GHz
0 (0%)
Intel Core2 Duo E4400 Intel Core2 Duo E4400
2C 2T @ 2.00 GHz
292 (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.
AMD Ryzen 5 PRO 7540U AMD Ryzen 5 PRO 7540U
6C 12T @ 3.20 GHz
0 (0%)
Intel Core2 Duo E4400 Intel Core2 Duo E4400
2C 2T @ 2.00 GHz
532 (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.
AMD Ryzen 5 PRO 7540U AMD Ryzen 5 PRO 7540U
AMD Radeon 740M @ 2.50 GHz
1280 (100%)
Intel Core2 Duo E4400 Intel Core2 Duo E4400
@ 0.00 GHz
0 (0%)

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.
AMD Ryzen 5 PRO 7540U AMD Ryzen 5 PRO 7540U
6C 12T @ 3.20 GHz
0 (0%)
Intel Core2 Duo E4400 Intel Core2 Duo E4400
2C 2T @ 2.00 GHz
632 (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.
AMD Ryzen 5 PRO 7540U AMD Ryzen 5 PRO 7540U
6C 12T @ 3.20 GHz
0 (0%)
Intel Core2 Duo E4400 Intel Core2 Duo E4400
2C 2T @ 2.00 GHz
312 (100%)

Devices using this processor

AMD Ryzen 5 PRO 7540U Intel Core2 Duo E4400
Unknown Unknown

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