Athlon II X4 631 vs Pentium 3825U

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Aggregate performance score

Pentium 3825U
2015
2 cores / 4 threads, 15 Watt
0.88
Athlon II X4 631
2011
4 cores / 4 threads, 100 Watt
1.34
+52.3%

Athlon II X4 631 outperforms Pentium 3825U by an impressive 52% based on our aggregate benchmark results.

Primary details

Comparing Pentium 3825U and Athlon II X4 631 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking25622259
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Pentiumno data
Power efficiency5.551.27
Architecture codenameBroadwell-U (2015)Llano (2011−2012)
Release date1 March 2015 (9 years ago)17 August 2011 (13 years ago)
Launch price (MSRP)$161no data

Detailed specifications

Pentium 3825U and Athlon II X4 631 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores2 (Dual-core)4 (Quad-Core)
Threads44
Base clock speed1.9 GHz2.6 GHz
Boost clock speed1.9 GHz2.6 GHz
Bus rate5 GT/sno data
L1 cache64K (per core)128 KB (per core)
L2 cache256K (per core)1 MB (per core)
L3 cache2 MB (shared)0 KB
Chip lithography14 nm32 nm
Die size82 mm2228 mm2
Maximum core temperature105 °Cno data
Maximum case temperature (TCase)105 °Cno data
Number of transistors1300 Million1,178 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Pentium 3825U and Athlon II X4 631 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFCBGA1168FM1
Power consumption (TDP)15 Watt100 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 3825U and Athlon II X4 631. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2no data
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology+no data
Thermal Monitoring+-
Flex Memory Access+no data
Smart Response-no data
FDI+no data
Fast Memory Access+no data

Security technologies

Pentium 3825U and Athlon II X4 631 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Secure Key+no data
Identity Protection+-
OS Guard-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 3825U and Athlon II X4 631 are enumerated here.

AMD-V++
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 3825U and Athlon II X4 631. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size16 GBno data
Max memory channels2no data
Maximum memory bandwidth25.6 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics for 5th Generation Intel Processorsno data
Quick Sync Video+-
Clear Video+no data
Graphics max frequency850 MHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Pentium 3825U and Athlon II X4 631 integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-

Graphics API support

APIs supported by Pentium 3825U and Athlon II X4 631 integrated GPUs, sometimes API versions are included.

DirectX11.2/12no data

Peripherals

Specifications and connection of peripherals supported by Pentium 3825U and Athlon II X4 631.

PCIe version2.0no data
PCI Express lanes12no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Pentium 3825U 0.88
Athlon II X4 631 1.34
+52.3%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Pentium 3825U 1399
Athlon II X4 631 2122
+51.7%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Pentium 3825U 338
+21.6%
Athlon II X4 631 278

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Pentium 3825U 686
Athlon II X4 631 866
+26.2%

Gaming performance

Pros & cons summary


Performance score 0.88 1.34
Recency 1 March 2015 17 August 2011
Physical cores 2 4
Chip lithography 14 nm 32 nm
Power consumption (TDP) 15 Watt 100 Watt

Pentium 3825U has an age advantage of 3 years, a 128.6% more advanced lithography process, and 566.7% lower power consumption.

Athlon II X4 631, on the other hand, has a 52.3% higher aggregate performance score, and 100% more physical cores.

The Athlon II X4 631 is our recommended choice as it beats the Pentium 3825U in performance tests.

Be aware that Pentium 3825U is a notebook processor while Athlon II X4 631 is a desktop one.


Should you still have questions on choice between Pentium 3825U and Athlon II X4 631, ask them in Comments section, and we shall answer.

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Intel Pentium 3825U
Pentium 3825U
AMD Athlon II X4 631
Athlon II X4 631

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Community ratings

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Questions & comments

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