AMD Phenom II X4 B99 vs Intel Atom E3825

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CPU comparison with benchmarks


AMD Phenom II X4 B99 CPU1 vs CPU2 Intel Atom E3825
AMD Phenom II X4 B99 Intel Atom E3825

CPU comparison

In this CPU comparison, we compare the AMD Phenom II X4 B99 and the Intel Atom E3825 and use benchmarks to check which processor is faster.

We compare the AMD Phenom II X4 B99 4 core processor released in Q2/2010 with the Intel Atom E3825 which has 2 CPU cores and was introduced in Q4/2013.
AMD Phenom II (52) Family Intel Atom (108)
AMD Phenom II - 800/900 (23) CPU group Intel Atom E3800 (6)
4 Generation 4
Deneb (K10) Architecture Bay Trail
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The AMD Phenom II X4 B99 is a 4 core processor with a clock frequency of 3.30 GHz. The processor can compute 4 threads at the same time. The Intel Atom E3825 clocks with 1.33 GHz, has 2 CPU cores and can calculate 2 threads in parallel.

AMD Phenom II X4 B99 Characteristic Intel Atom E3825
4 Cores 2
4 Threads 2
normal Core architecture normal
No Hyperthreading No
Yes Overclocking ? No
3.30 GHz Frequency 1.33 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 Phenom II X4 B99 Characteristic Intel Atom E3825
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

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 HD Graphics (Bay Trail GT1)
GPU frequency 0.53 GHz
-- GPU (Turbo) 0.53 GHz
-- GPU Generation 7
Technology 22 nm
Max. displays 2
-- Compute units 4
-- Shader 32
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 GB
-- DirectX Version 11.2

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 (Bay Trail GT1)
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 Decode

Memory & PCIe

Up to GB of memory in a maximum of 2 memory channels is supported by the AMD Phenom II X4 B99, while the Intel Atom E3825 supports a maximum of 8 GB of memory with a maximum memory bandwidth of 8.6 GB/s enabled.

AMD Phenom II X4 B99 Characteristic Intel Atom E3825
DDR3-1333, DDR2-1066 Memory DDR3L-1066
Max. Memory 8 GB
2 (Dual Channel) Memory channels 1 (Single Channel)
21.3 GB/s Max. Bandwidth 8.6 GB/s
No ECC No
-- L2 Cache --
6.00 MB L3 Cache 1.00 MB
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The AMD Phenom II X4 B99 has a TDP of 95 W. The TDP of the Intel Atom E3825 is 6 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Phenom II X4 B99 Characteristic Intel Atom E3825
95 W TDP (PL1 / PBP) 6 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The AMD Phenom II X4 B99 has 6.00 MB cache and is manufactured in 45 nm. The cache of Intel Atom E3825 is at 1.00 MB. The processor is manufactured in 22 nm.

AMD Phenom II X4 B99 Characteristic Intel Atom E3825
45 nm Technology 22 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 1170
AMD-V Virtualization VT-x, VT-x EPT
No AES-NI Yes
Windows 10, Linux Operating systems
Q2/2010 Release date Q4/2013
-- Release price --
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Average performance in benchmarks

⌀ Single core performance in 0 CPU benchmarks
AMD Phenom II X4 B99 (0%)
Intel Atom E3825 (0%)
⌀ Multi core performance in 1 CPU benchmarks
AMD Phenom II X4 B99 (100%)
Intel Atom E3825 (9%)

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 B99 AMD Phenom II X4 B99
4C 4T @ 3.30 GHz
4112 (100%)
Intel Atom E3825 Intel Atom E3825
2C 2T @ 1.33 GHz
378 (9%)

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 B99 AMD Phenom II X4 B99
4C 4T @ 3.30 GHz
0 (0%)
Intel Atom E3825 Intel Atom E3825
2C 2T @ 1.33 GHz
133 (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 B99 AMD Phenom II X4 B99
4C 4T @ 3.30 GHz
0 (0%)
Intel Atom E3825 Intel Atom E3825
2C 2T @ 1.33 GHz
254 (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 B99 AMD Phenom II X4 B99
@ 0.00 GHz
0 (0%)
Intel Atom E3825 Intel Atom E3825
Intel HD Graphics (Bay Trail GT1) @ 0.53 GHz
34 (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 B99 AMD Phenom II X4 B99
4C 4T @ 3.30 GHz
87 (100%)
Intel Atom E3825 Intel Atom E3825
2C 2T @ 1.33 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.
AMD Phenom II X4 B99 AMD Phenom II X4 B99
4C 4T @ 3.30 GHz
334 (100%)
Intel Atom E3825 Intel Atom E3825
2C 2T @ 1.33 GHz
0 (0%)

Devices using this processor

AMD Phenom II X4 B99 Intel Atom E3825
Unknown Unknown

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