AMD Phenom II X4 B99 vs Intel Pentium 3825U

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CPU comparison with benchmarks


AMD Phenom II X4 B99 CPU1 vs CPU2 Intel Pentium 3825U
AMD Phenom II X4 B99 Intel Pentium 3825U

CPU comparison

In this CPU comparison, we compare the AMD Phenom II X4 B99 and the Intel Pentium 3825U 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 Pentium 3825U which has 2 CPU cores and was introduced in Q1/2015.
AMD Phenom II (52) Family Intel Pentium (150)
AMD Phenom II - 800/900 (23) CPU group Intel Pentium 3000 (8)
4 Generation 4
Deneb (K10) Architecture Haswell U
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 Pentium 3825U clocks with 1.90 GHz, has 2 CPU cores and can calculate 4 threads in parallel.

AMD Phenom II X4 B99 Characteristic Intel Pentium 3825U
4 Cores 2
4 Threads 4
normal Core architecture normal
No Hyperthreading Yes
Yes Overclocking ? No
3.30 GHz Frequency 1.90 GHz
-- Turbo Frequency (1 Core) --
-- Turbo Frequency (All Cores) --

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 B99 Characteristic Intel Pentium 3825U
-- 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 HD Graphics (Broadwell GT1)
GPU frequency 0.30 GHz
-- GPU (Turbo) 0.85 GHz
-- GPU Generation 8
Technology 14 nm
Max. displays 3
-- Compute units 12
-- Shader 96
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 (Broadwell 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 Decode
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 Pentium 3825U supports a maximum of 16 GB of memory with a maximum memory bandwidth of 25.6 GB/s enabled.

AMD Phenom II X4 B99 Characteristic Intel Pentium 3825U
DDR3-1333, DDR2-1066 Memory DDR3-1600
Max. Memory 16 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
21.3 GB/s Max. Bandwidth 25.6 GB/s
No ECC No
-- L2 Cache --
6.00 MB L3 Cache 2.00 MB
-- PCIe version 2.0
-- PCIe lanes 12
-- PCIe Bandwidth 6.0 GB/s

Thermal Management

The AMD Phenom II X4 B99 has a TDP of 95 W. The TDP of the Intel Pentium 3825U is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

AMD Phenom II X4 B99 Characteristic Intel Pentium 3825U
95 W TDP (PL1 / PBP) 15 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 Pentium 3825U is at 2.00 MB. The processor is manufactured in 22 nm.

AMD Phenom II X4 B99 Characteristic Intel Pentium 3825U
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 1168
AMD-V Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q2/2010 Release date Q1/2015
-- Release price 145 $
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 B99 (100%)
Intel Pentium 3825U (89%)
⌀ Multi core performance in 2 CPU benchmarks
AMD Phenom II X4 B99 (100%)
Intel Pentium 3825U (39%)

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 Pentium 3825U Intel Pentium 3825U
2C 4T @ 1.90 GHz
1340 (33%)

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 Pentium 3825U Intel Pentium 3825U
2C 4T @ 1.90 GHz
77 (89%)

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 Pentium 3825U Intel Pentium 3825U
2C 4T @ 1.90 GHz
148 (44%)

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 Pentium 3825U Intel Pentium 3825U
2C 4T @ 1.90 GHz
443 (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 Pentium 3825U Intel Pentium 3825U
2C 4T @ 1.90 GHz
1001 (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 B99 AMD Phenom II X4 B99
4C 4T @ 3.30 GHz
0 (0%)
Intel Pentium 3825U Intel Pentium 3825U
2C 4T @ 1.90 GHz
387 (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 B99 AMD Phenom II X4 B99
4C 4T @ 3.30 GHz
0 (0%)
Intel Pentium 3825U Intel Pentium 3825U
2C 4T @ 1.90 GHz
781 (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 Pentium 3825U Intel Pentium 3825U
Intel HD Graphics (Broadwell GT1) @ 0.85 GHz
163 (100%)

Devices using this processor

AMD Phenom II X4 B99 Intel Pentium 3825U
Unknown Unknown

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