Pentium 3825U vs Core 2 Quad Q9400

Aggregate performance score

Core 2 Quad Q9400
2008
4 cores / 4 threads, 95 Watt
1.35
+53.4%
Pentium 3825U
2015
2 cores / 4 threads, 15 Watt
0.88

Core 2 Quad Q9400 outperforms Pentium 3825U by an impressive 53% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad Q9400 and Pentium 3825U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22562562
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Pentium
Power efficiency1.345.55
Architecture codenameYorkfield (2007−2009)Broadwell-U (2015)
Release dateAugust 2008 (16 years ago)1 March 2015 (9 years ago)
Launch price (MSRP)no data$161

Detailed specifications

Core 2 Quad Q9400 and Pentium 3825U 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 cores4 (Quad-Core)2 (Dual-core)
Threads44
Base clock speed2.66 GHz1.9 GHz
Boost clock speed2.67 GHz1.9 GHz
Bus rate1333 MHz5 GT/s
L1 cache64K (per core)64K (per core)
L2 cache6 MB (shared)256K (per core)
L3 cache0 KB2 MB (shared)
Chip lithography45 nm14 nm
Die size2x 81 mm282 mm2
Maximum core temperatureno data105 °C
Maximum case temperature (TCase)71 °C105 °C
Number of transistors456 million1300 Million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Quad Q9400 and Pentium 3825U 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
SocketLGA775FCBGA1168
Power consumption (TDP)95 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9400 and Pentium 3825U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology--
Hyper-Threading Technology-+
Idle States+no data
Thermal Monitoring++
Flex Memory Accessno data+
Smart Responseno data-
Demand Based Switching-no data
FDIno data+
Fast Memory Accessno data+
FSB parity-no data

Security technologies

Core 2 Quad Q9400 and Pentium 3825U technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Keyno data+
Identity Protection-+
OS Guardno data-

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q9400 and Pentium 3825U are enumerated here.

AMD-V-+
VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9400 and Pentium 3825U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3
Maximum memory sizeno data16 GB
Max memory channelsno data2
Maximum memory bandwidthno data25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics for 5th Generation Intel Processors
Quick Sync Video-+
Clear Videono data+
Graphics max frequencyno data850 MHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core 2 Quad Q9400 and Pentium 3825U integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+

Graphics API support

APIs supported by Core 2 Quad Q9400 and Pentium 3825U integrated GPUs, sometimes API versions are included.

DirectXno data11.2/12

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q9400 and Pentium 3825U.

PCIe versionno data2.0
PCI Express lanesno data12

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.

Core 2 Quad Q9400 1.35
+53.4%
Pentium 3825U 0.88

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.

Core 2 Quad Q9400 2138
+52.8%
Pentium 3825U 1399

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.

Core 2 Quad Q9400 334
Pentium 3825U 338
+1.2%

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.

Core 2 Quad Q9400 925
+34.8%
Pentium 3825U 686

Gaming performance

Pros & cons summary


Performance score 1.35 0.88
Physical cores 4 2
Chip lithography 45 nm 14 nm
Power consumption (TDP) 95 Watt 15 Watt

Core 2 Quad Q9400 has a 53.4% higher aggregate performance score, and 100% more physical cores.

Pentium 3825U, on the other hand, has a 221.4% more advanced lithography process, and 533.3% lower power consumption.

The Core 2 Quad Q9400 is our recommended choice as it beats the Pentium 3825U in performance tests.

Note that Core 2 Quad Q9400 is a desktop processor while Pentium 3825U is a notebook one.


Should you still have questions on choice between Core 2 Quad Q9400 and Pentium 3825U, ask them in Comments section, and we shall answer.

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Intel Core 2 Quad Q9400
Core 2 Quad Q9400
Intel Pentium 3825U
Pentium 3825U

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Community ratings

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Questions & comments

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