AMD Phenom II X4 900e vs Intel Atom x6425E

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CPU comparison with benchmarks


AMD Phenom II X4 900e CPU1 vs CPU2 Intel Atom x6425E
AMD Phenom II X4 900e Intel Atom x6425E

CPU comparison

AMD Phenom II X4 900e or Intel Atom x6425E - 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 Phenom II X4 900e has 4 cores with 4 threads and clocks with a maximum frequency of 2.40 GHz. Up to GB of memory is supported in 2 memory channels. The AMD Phenom II X4 900e was released in Q1/2009.

The Intel Atom x6425E has 4 cores with 4 threads and clocks with a maximum frequency of 3.00 GHz. The CPU supports up to 32 GB of memory in 4 memory channels. The Intel Atom x6425E was released 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 900e has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the AMD Phenom II X4 900e is 2.40 GHz while the Intel Atom x6425E has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Atom x6425E is at 2.00 GHz (3.00 GHz).

AMD Phenom II X4 900e Characteristic Intel Atom x6425E
4 Cores 4
4 Threads 4
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? No
2.40 GHz Frequency 2.00 GHz
-- Turbo Frequency (1 Core) 3.00 GHz
-- Turbo Frequency (All Cores) 2.70 GHz

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 Phenom II X4 900e Characteristic Intel Atom x6425E
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The AMD Phenom II X4 900e or Intel Atom x6425E 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.

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

The AMD Phenom II X4 900e can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 21.3 GB/s. The Intel Atom x6425E supports up to 32 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 119.2 GB/s.

AMD Phenom II X4 900e 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 thermal design power (TDP for short) of the AMD Phenom II X4 900e is 65 W, while the Intel Atom x6425E has a TDP of 12 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD Phenom II X4 900e 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 900e is manufactured in 45 nm and has 6.00 MB cache. The Intel Atom x6425E is manufactured in 10 nm and has a 1.50 MB cache.

AMD Phenom II X4 900e 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 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD Phenom II X4 900e (55%)
Intel Atom x6425E (100%)
⌀ Multi core performance in 2 CPU benchmarks
AMD Phenom II X4 900e (75%)
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 900e AMD Phenom II X4 900e
4C 4T @ 2.40 GHz
2990 (77%)
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 900e AMD Phenom II X4 900e
4C 4T @ 2.40 GHz
63 (55%)
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 900e AMD Phenom II X4 900e
4C 4T @ 2.40 GHz
243 (73%)
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 900e AMD Phenom II X4 900e
4C 4T @ 2.40 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 900e AMD Phenom II X4 900e
4C 4T @ 2.40 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 900e AMD Phenom II X4 900e
4C 4T @ 2.40 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 900e AMD Phenom II X4 900e
4C 4T @ 2.40 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 900e AMD Phenom II X4 900e
@ 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 900e Intel Atom x6425E
Unknown Unknown

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