AMD Phenom II X4 905e vs Intel Atom x6425E

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CPU comparison with benchmarks


AMD Phenom II X4 905e CPU1 vs CPU2 Intel Atom x6425E
AMD Phenom II X4 905e Intel Atom x6425E

CPU comparison

In this CPU comparison, we compare the AMD Phenom II X4 905e and the Intel Atom x6425E and use benchmarks to check which processor is faster.

We compare the AMD Phenom II X4 905e 4 core processor released in Q1/2009 with the Intel Atom x6425E which has 4 CPU cores and was introduced in Q1/2021.
AMD Phenom II (52) Family Intel Atom (108)
AMD Phenom II - 800/900 (23) CPU group Intel Atom x6000 (10)
4 Generation 6
Deneb (K10) Architecture Elkhart Lake
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor Intel Atom x7425E

CPU Cores and Base Frequency

The AMD Phenom II X4 905e is a 4 core processor with a clock frequency of 2.50 GHz. The processor can compute 4 threads at the same time. The Intel Atom x6425E clocks with 2.00 GHz (3.00 GHz), has 4 CPU cores and can calculate 4 threads in parallel.

AMD Phenom II X4 905e Characteristic Intel Atom x6425E
4 Cores 4
4 Threads 4
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? No
2.50 GHz Frequency 2.00 GHz
-- Turbo Frequency (1 Core) 3.00 GHz
-- Turbo Frequency (All Cores) 2.70 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.

AMD Phenom II X4 905e Characteristic Intel Atom x6425E
-- 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.

no iGPU GPU Intel UHD Graphics 10th Gen (32 EU)
GPU frequency 0.50 GHz
-- GPU (Turbo) 0.75 GHz
-- GPU Generation 11
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 10th Gen (32 EU)
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 / Encode
No Codec AV1 Decode
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

Up to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X4 905e, while the Intel Atom x6425E supports a maximum of 32 GB of memory with a maximum memory bandwidth of 119.2 GB/s enabled.

AMD Phenom II X4 905e Characteristic Intel Atom x6425E
DDR3-1333, DDR2-1066 Memory LPDDR4X-3733, DDR4-3200
Max. Memory 32 GB
2 (Dual Channel) Memory channels 4 (Quad Channel)
21.3 GB/s Max. Bandwidth 119.2 GB/s
No ECC Yes
-- L2 Cache 1.50 MB
6.00 MB L3 Cache --
-- PCIe version 3.0
-- PCIe lanes 8
-- PCIe Bandwidth 7.9 GB/s

Thermal Management

The AMD Phenom II X4 905e has a TDP of 65 W. The TDP of the Intel Atom x6425E is 12 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Phenom II X4 905e Characteristic Intel Atom x6425E
65 W TDP (PL1 / PBP) 12 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 105 °C

Technical details

The AMD Phenom II X4 905e has 6.00 MB cache and is manufactured in 45 nm. The cache of Intel Atom x6425E is at 1.50 MB. The processor is manufactured in 10 nm.

AMD Phenom II X4 905e Characteristic Intel Atom x6425E
45 nm Technology 10 nm
Unknown Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE3, SSE4a ISA extensions SSE4.1, SSE4.2
AM3 Socket BGA 1493
AMD-V Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Windows 10, Linux Operating systems
Q1/2009 Release date Q1/2021
-- Release price 56 $
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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD Phenom II X4 905e (58%)
Intel Atom x6425E (100%)
⌀ Multi core performance in 2 CPU benchmarks
AMD Phenom II X4 905e (78%)
Intel Atom x6425E (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.
AMD Phenom II X4 905e AMD Phenom II X4 905e
4C 4T @ 2.50 GHz
3115 (80%)
Intel Atom x6425E Intel Atom x6425E
4C 4T @ 2.70 GHz
3885 (100%)

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.
AMD Phenom II X4 905e AMD Phenom II X4 905e
4C 4T @ 2.50 GHz
66 (58%)
Intel Atom x6425E Intel Atom x6425E
4C 4T @ 3.00 GHz
114 (100%)

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.
AMD Phenom II X4 905e AMD Phenom II X4 905e
4C 4T @ 2.50 GHz
253 (76%)
Intel Atom x6425E Intel Atom x6425E
4C 4T @ 2.70 GHz
335 (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.
AMD Phenom II X4 905e AMD Phenom II X4 905e
4C 4T @ 2.50 GHz
0 (0%)
Intel Atom x6425E Intel Atom x6425E
4C 4T @ 3.00 GHz
676 (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 Phenom II X4 905e AMD Phenom II X4 905e
4C 4T @ 2.50 GHz
0 (0%)
Intel Atom x6425E Intel Atom x6425E
4C 4T @ 2.70 GHz
2055 (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.
AMD Phenom II X4 905e AMD Phenom II X4 905e
4C 4T @ 2.50 GHz
0 (0%)
Intel Atom x6425E Intel Atom x6425E
4C 4T @ 3.00 GHz
539 (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.
AMD Phenom II X4 905e AMD Phenom II X4 905e
4C 4T @ 2.50 GHz
0 (0%)
Intel Atom x6425E Intel Atom x6425E
4C 4T @ 2.70 GHz
1434 (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 Phenom II X4 905e AMD Phenom II X4 905e
@ 0.00 GHz
0 (0%)
Intel Atom x6425E Intel Atom x6425E
Intel UHD Graphics 10th Gen (32 EU) @ 0.75 GHz
400 (100%)

Devices using this processor

AMD Phenom II X4 905e Intel Atom x6425E
Unknown Unknown

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